Zhizhen Zhang enters this US Open qualifying matchup with extensive hard-court experience and a career-high ranking of 31, though his 2026 form shows a 6-11 record and a current standing near 158. Rei Sakamoto, the 20-year-old Japanese prospect ranked around 148-165 after reaching a career high in June, brings recent Challenger momentum, including titles and a main-draw appearance at the Australian Open. The pair met earlier in 2026 at a Brisbane Challenger semifinal. On outdoor hard courts, Zhang’s serve and baseline consistency contrast with Sakamoto’s aggressive baseline game and improving fitness. Schedule position in the qualifying draw, along with any last-minute injury or travel factors, will influence the outcome in this closely contested first-round encounter.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated17h 19m 42s
This market refers to the tennis match between Zhizhen Zhang and Rei Sakamoto in the US Open, Qualification ATP, originally scheduled for August 24, 2026 at 5:00PM ET.
This market will resolve to 'Zhizhen Zhang' if Zhizhen Zhang advances against Rei Sakamoto.
This market will resolve to 'Rei Sakamoto' if Rei Sakamoto advances against Zhizhen Zhang.
If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 7, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve to 50-50.
If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances.
If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50.
The primary resolution source will be official information from the ATP Tour. A consensus of credible reporting may also be used.This market refers to the tennis match between Zhizhen Zhang and Rei Sakamoto in the US Open, Qualification ATP, originally scheduled for August 24, 2026 at 5:00PM ET. This market will resolve to "Yes" if all games and sets required to determine a match winner under governing body or event organizer rules are played to completion through normal play. Otherwise, if the match is not completed for any reason, it will resolve to "No." If a forfeit of any kind occurs, including but not limited to a walkover or retirement, this market will resolve "No." If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 7, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve to "No." The primary resolution source for this market is the official statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 2 hours after the event's conclusion, a consensus of credible reporting may be used instead.This market refers to the tennis match between Zhizhen Zhang and Rei Sakamoto in the US Open, Qualification ATP, originally scheduled for August 24, 2026 at 5:00PM ET.
This market will resolve to “Zhang” if Zhizhen Zhang wins the first set. It will resolve to “Sakamoto” if Rei Sakamoto wins the first set.
If the match begins but is not completed, and the first set is concluded with a winner determined, this market will resolve based on that completed set. If the first set is not completed for any reason, this market will resolve 50-50.
If the match is canceled (not played at all) or play has not begun by September 7, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve 50-50.
Resolution will be based on official Grand Slam match statistics.This market refers to the tennis match between Zhizhen Zhang and Rei Sakamoto in the US Open, Qualification ATP, originally scheduled for August 24, 2026 at 5:00PM ET.
This market will resolve to "Over" if the total number of sets completed equals or exceeds 3. Otherwise, it will resolve to "Under." A super tie breaker is considered as one (1) set.
If the match is postponed or suspended, this market will remain open until the match has been completed. A postponement alone will not trigger a 50-50 resolution.
If the match is permanently abandoned before completion, or if the match has not been completed by September 7, 2026, 11:59 PM ET, this market will resolve 50-50, unless the outcome has already been unconditionally determined based on completed play.
The primary resolution source for this market will be official Grand Slam statistics; however, a consensus of credible reporting may also be used.This market refers to the tennis match between Zhizhen Zhang and Rei Sakamoto in the US Open, Qualification ATP, originally scheduled for August 24, 2026 at 5:00PM ET.
This market will resolve to “Zhang” if Zhizhen Zhang wins set 2. It will resolve to “Sakamoto” if Rei Sakamoto wins set 2.
If the match begins but set 2 is not completed with a winner determined (including the match ending before set 2 is reached), this market will resolve 50-50.
If the match is canceled (not played at all) or play has not begun by September 7, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve 50-50.
Resolution will be based on official Grand Slam match statistics.This market refers to the tennis match between Zhizhen Zhang and Rei Sakamoto in the US Open, Qualification ATP, originally scheduled for August 24, 2026 at 5:00PM ET.
This market will resolve to "Over" if the total number of games completed equals or exceeds 22. Otherwise, it will resolve to "Under." All tiebreaks, including any Champions/Super tiebreak, count as one (1) game.
If the match is postponed or suspended, this market will remain open until the match has been completed. A postponement alone will not trigger a 50-50 resolution.
If the match is permanently abandoned before completion, or if the match has not been completed by September 7, 2026, 11:59 PM ET, this market will resolve 50-50, unless the outcome has already been unconditionally determined based on completed play.
The primary resolution source for this market will be official Grand Slam statistics; however, a consensus of credible reporting may also be used.This market refers to the tennis match between Zhizhen Zhang and Rei Sakamoto in the US Open, Qualification ATP, originally scheduled for August 24, 2026 at 5:00PM ET.
This market will resolve to "Zhang" if Zhizhen Zhang wins by 2 or more sets than Rei Sakamoto, based on the final completed score. Otherwise, it will resolve to "Sakamoto."
If the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins, or a result has not been determined by September 7, 2026, 11:59 PM ET (14 days after the scheduled start), this market will also resolve 50-50.
Resolution will be based on official Grand Slam results.This market refers to the tennis match between Rei Sakamoto and Zhizhen Zhang in the US Open, Qualification ATP, originally scheduled for August 24, 2026 at 5:00PM ET.
This market will resolve to "Sakamoto" if Rei Sakamoto wins by 2 or more sets than Zhizhen Zhang, based on the final completed score. Otherwise, it will resolve to "Zhang."
If the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins, or a result has not been determined by September 7, 2026, 11:59 PM ET (14 days after the scheduled start), this market will also resolve 50-50.
Resolution will be based on official Grand Slam results.This market refers to the tennis match between Zhizhen Zhang and Rei Sakamoto in the US Open, Qualification ATP, originally scheduled for August 24, 2026 at 5:00PM ET.
This market will resolve to "Over" if the total number of games completed equals or exceeds 23. Otherwise, it will resolve to "Under." All tiebreaks, including any Champions/Super tiebreak, count as one (1) game.
If the match is postponed or suspended, this market will remain open until the match has been completed. A postponement alone will not trigger a 50-50 resolution.
If the match is permanently abandoned before completion, or if the match has not been completed by September 7, 2026, 11:59 PM ET, this market will resolve 50-50, unless the outcome has already been unconditionally determined based on completed play.
The primary resolution source for this market will be official Grand Slam statistics; however, a consensus of credible reporting may also be used.This market refers to the tennis match between Zhizhen Zhang and Rei Sakamoto in the US Open, Qualification ATP, originally scheduled for August 24, 2026 at 5:00PM ET.
This market will resolve to "Over" if the total number of games completed equals or exceeds 24. Otherwise, it will resolve to "Under." All tiebreaks, including any Champions/Super tiebreak, count as one (1) game.
If the match is postponed or suspended, this market will remain open until the match has been completed. A postponement alone will not trigger a 50-50 resolution.
If the match is permanently abandoned before completion, or if the match has not been completed by September 7, 2026, 11:59 PM ET, this market will resolve 50-50, unless the outcome has already been unconditionally determined based on completed play.
The primary resolution source for this market will be official Grand Slam statistics; however, a consensus of credible reporting may also be used.This market refers to the tennis match between Zhizhen Zhang and Rei Sakamoto in the US Open, Qualification ATP, originally scheduled for August 24, 2026 at 5:00PM ET.
This market will resolve to "Over" if the total number of games completed in the first set equals or exceeds 9. Otherwise, it will resolve to "Under."
Any first-set tiebreak counts as one (1) game toward the total.
If the first set is not completed for any reason, this market will resolve 50-50. If the match is canceled before play begins, or play has not begun by September 7, 2026, 11:59 PM ET (14 days after the scheduled start), this market will also resolve 50-50.
Resolution will be based on official Grand Slam results.This market refers to the tennis match between Zhizhen Zhang and Rei Sakamoto in the US Open, Qualification ATP, originally scheduled for August 24, 2026 at 5:00PM ET.
This market will resolve to "Over" if the total number of games completed in set 2 equals or exceeds 9. Otherwise, it will resolve to "Under."
Any tiebreak in set 2 counts as one (1) game toward the total.
If set 2 is not completed for any reason (including the match ending before set 2 is reached), this market will resolve 50-50. If the match is canceled before play begins, or play has not begun by September 7, 2026, 11:59 PM ET (14 days after the scheduled start), this market will also resolve 50-50.
Resolution will be based on official Grand Slam results.This market refers to the tennis match between Zhizhen Zhang and Rei Sakamoto in the US Open, Qualification ATP, originally scheduled for August 24, 2026 at 5:00PM ET.
This market will resolve to "Over" if the total number of games completed in the first set equals or exceeds 10. Otherwise, it will resolve to "Under."
Any first-set tiebreak counts as one (1) game toward the total.
If the first set is not completed for any reason, this market will resolve 50-50. If the match is canceled before play begins, or play has not begun by September 7, 2026, 11:59 PM ET (14 days after the scheduled start), this market will also resolve 50-50.
Resolution will be based on official Grand Slam results.This market refers to the tennis match between Zhizhen Zhang and Rei Sakamoto in the US Open, Qualification ATP, originally scheduled for August 24, 2026 at 5:00PM ET.
This market will resolve to "Over" if the total number of games completed in set 2 equals or exceeds 10. Otherwise, it will resolve to "Under."
Any tiebreak in set 2 counts as one (1) game toward the total.
If set 2 is not completed for any reason (including the match ending before set 2 is reached), this market will resolve 50-50. If the match is canceled before play begins, or play has not begun by September 7, 2026, 11:59 PM ET (14 days after the scheduled start), this market will also resolve 50-50.
Resolution will be based on official Grand Slam results.This market refers to the tennis match between Zhizhen Zhang and Rei Sakamoto in the US Open, Qualification ATP, originally scheduled for August 24, 2026 at 5:00PM ET.
This market will resolve to "Over" if the total number of games completed in set 2 equals or exceeds 11. Otherwise, it will resolve to "Under."
Any tiebreak in set 2 counts as one (1) game toward the total.
If set 2 is not completed for any reason (including the match ending before set 2 is reached), this market will resolve 50-50. If the match is canceled before play begins, or play has not begun by September 7, 2026, 11:59 PM ET (14 days after the scheduled start), this market will also resolve 50-50.
Resolution will be based on official Grand Slam results.This market refers to the tennis match between Zhizhen Zhang and Rei Sakamoto in the US Open, Qualification ATP, originally scheduled for August 24, 2026 at 5:00PM ET.
This market will resolve to "Over" if the total number of games completed in the first set equals or exceeds 11. Otherwise, it will resolve to "Under."
Any first-set tiebreak counts as one (1) game toward the total.
If the first set is not completed for any reason, this market will resolve 50-50. If the match is canceled before play begins, or play has not begun by September 7, 2026, 11:59 PM ET (14 days after the scheduled start), this market will also resolve 50-50.
Resolution will be based on official Grand Slam results.Zhizhen Zhang enters this US Open qualifying matchup with extensive hard-court experience and a career-high ranking of 31, though his 2026 form shows a 6-11 record and a current standing near 158. Rei Sakamoto, the 20-year-old Japanese prospect ranked around 148-165 after reaching a career high in June, brings recent Challenger momentum, including titles and a main-draw appearance at the Australian Open. The pair met earlier in 2026 at a Brisbane Challenger semifinal. On outdoor hard courts, Zhang’s serve and baseline consistency contrast with Sakamoto’s aggressive baseline game and improving fitness. Schedule position in the qualifying draw, along with any last-minute injury or travel factors, will influence the outcome in this closely contested first-round encounter.
This market refers to the tennis match between Zhizhen Zhang and Rei Sakamoto in the US Open, Qualification ATP, originally scheduled for August 24, 2026 at 5:00PM ET.
This market will resolve to 'Zhizhen Zhang' if Zhizhen Zhang advances against Rei Sakamoto.
This market will resolve to 'Rei Sakamoto' if Rei Sakamoto advances against Zhizhen Zhang.
If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 7, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve to 50-50.
If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances.
If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50.
The primary resolution source will be official information from the ATP Tour. A consensus of credible reporting may also be used.
This market will resolve to 'Zhizhen Zhang' if Zhizhen Zhang advances against Rei Sakamoto.
This market will resolve to 'Rei Sakamoto' if Rei Sakamoto advances against Zhizhen Zhang.
If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 7, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve to 50-50.
If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances.
If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50.
The primary resolution source will be official information from the ATP Tour. A consensus of credible reporting may also be used.
Market Opened: Aug 23, 2026, 7:05 PM ET
Volume
$0End Date
Aug 31, 2026Market Opened
Aug 23, 2026, 7:05 PM ETResolution Source
https://www.atptour.com/en/scores/currentResolver
0x65070BE91...17h 19m 42s
This market refers to the tennis match between Zhizhen Zhang and Rei Sakamoto in the US Open, Qualification ATP, originally scheduled for August 24, 2026 at 5:00PM ET.
This market will resolve to 'Zhizhen Zhang' if Zhizhen Zhang advances against Rei Sakamoto.
This market will resolve to 'Rei Sakamoto' if Rei Sakamoto advances against Zhizhen Zhang.
If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 7, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve to 50-50.
If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances.
If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50.
The primary resolution source will be official information from the ATP Tour. A consensus of credible reporting may also be used.This market refers to the tennis match between Zhizhen Zhang and Rei Sakamoto in the US Open, Qualification ATP, originally scheduled for August 24, 2026 at 5:00PM ET. This market will resolve to "Yes" if all games and sets required to determine a match winner under governing body or event organizer rules are played to completion through normal play. Otherwise, if the match is not completed for any reason, it will resolve to "No." If a forfeit of any kind occurs, including but not limited to a walkover or retirement, this market will resolve "No." If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 7, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve to "No." The primary resolution source for this market is the official statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 2 hours after the event's conclusion, a consensus of credible reporting may be used instead.This market refers to the tennis match between Zhizhen Zhang and Rei Sakamoto in the US Open, Qualification ATP, originally scheduled for August 24, 2026 at 5:00PM ET.
This market will resolve to “Zhang” if Zhizhen Zhang wins the first set. It will resolve to “Sakamoto” if Rei Sakamoto wins the first set.
If the match begins but is not completed, and the first set is concluded with a winner determined, this market will resolve based on that completed set. If the first set is not completed for any reason, this market will resolve 50-50.
If the match is canceled (not played at all) or play has not begun by September 7, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve 50-50.
Resolution will be based on official Grand Slam match statistics.This market refers to the tennis match between Zhizhen Zhang and Rei Sakamoto in the US Open, Qualification ATP, originally scheduled for August 24, 2026 at 5:00PM ET.
This market will resolve to "Over" if the total number of sets completed equals or exceeds 3. Otherwise, it will resolve to "Under." A super tie breaker is considered as one (1) set.
If the match is postponed or suspended, this market will remain open until the match has been completed. A postponement alone will not trigger a 50-50 resolution.
If the match is permanently abandoned before completion, or if the match has not been completed by September 7, 2026, 11:59 PM ET, this market will resolve 50-50, unless the outcome has already been unconditionally determined based on completed play.
The primary resolution source for this market will be official Grand Slam statistics; however, a consensus of credible reporting may also be used.This market refers to the tennis match between Zhizhen Zhang and Rei Sakamoto in the US Open, Qualification ATP, originally scheduled for August 24, 2026 at 5:00PM ET.
This market will resolve to “Zhang” if Zhizhen Zhang wins set 2. It will resolve to “Sakamoto” if Rei Sakamoto wins set 2.
If the match begins but set 2 is not completed with a winner determined (including the match ending before set 2 is reached), this market will resolve 50-50.
If the match is canceled (not played at all) or play has not begun by September 7, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve 50-50.
Resolution will be based on official Grand Slam match statistics.This market refers to the tennis match between Zhizhen Zhang and Rei Sakamoto in the US Open, Qualification ATP, originally scheduled for August 24, 2026 at 5:00PM ET.
This market will resolve to "Over" if the total number of games completed equals or exceeds 22. Otherwise, it will resolve to "Under." All tiebreaks, including any Champions/Super tiebreak, count as one (1) game.
If the match is postponed or suspended, this market will remain open until the match has been completed. A postponement alone will not trigger a 50-50 resolution.
If the match is permanently abandoned before completion, or if the match has not been completed by September 7, 2026, 11:59 PM ET, this market will resolve 50-50, unless the outcome has already been unconditionally determined based on completed play.
The primary resolution source for this market will be official Grand Slam statistics; however, a consensus of credible reporting may also be used.This market refers to the tennis match between Zhizhen Zhang and Rei Sakamoto in the US Open, Qualification ATP, originally scheduled for August 24, 2026 at 5:00PM ET.
This market will resolve to "Zhang" if Zhizhen Zhang wins by 2 or more sets than Rei Sakamoto, based on the final completed score. Otherwise, it will resolve to "Sakamoto."
If the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins, or a result has not been determined by September 7, 2026, 11:59 PM ET (14 days after the scheduled start), this market will also resolve 50-50.
Resolution will be based on official Grand Slam results.This market refers to the tennis match between Rei Sakamoto and Zhizhen Zhang in the US Open, Qualification ATP, originally scheduled for August 24, 2026 at 5:00PM ET.
This market will resolve to "Sakamoto" if Rei Sakamoto wins by 2 or more sets than Zhizhen Zhang, based on the final completed score. Otherwise, it will resolve to "Zhang."
If the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins, or a result has not been determined by September 7, 2026, 11:59 PM ET (14 days after the scheduled start), this market will also resolve 50-50.
Resolution will be based on official Grand Slam results.This market refers to the tennis match between Zhizhen Zhang and Rei Sakamoto in the US Open, Qualification ATP, originally scheduled for August 24, 2026 at 5:00PM ET.
This market will resolve to "Over" if the total number of games completed equals or exceeds 23. Otherwise, it will resolve to "Under." All tiebreaks, including any Champions/Super tiebreak, count as one (1) game.
If the match is postponed or suspended, this market will remain open until the match has been completed. A postponement alone will not trigger a 50-50 resolution.
If the match is permanently abandoned before completion, or if the match has not been completed by September 7, 2026, 11:59 PM ET, this market will resolve 50-50, unless the outcome has already been unconditionally determined based on completed play.
The primary resolution source for this market will be official Grand Slam statistics; however, a consensus of credible reporting may also be used.This market refers to the tennis match between Zhizhen Zhang and Rei Sakamoto in the US Open, Qualification ATP, originally scheduled for August 24, 2026 at 5:00PM ET.
This market will resolve to "Over" if the total number of games completed equals or exceeds 24. Otherwise, it will resolve to "Under." All tiebreaks, including any Champions/Super tiebreak, count as one (1) game.
If the match is postponed or suspended, this market will remain open until the match has been completed. A postponement alone will not trigger a 50-50 resolution.
If the match is permanently abandoned before completion, or if the match has not been completed by September 7, 2026, 11:59 PM ET, this market will resolve 50-50, unless the outcome has already been unconditionally determined based on completed play.
The primary resolution source for this market will be official Grand Slam statistics; however, a consensus of credible reporting may also be used.This market refers to the tennis match between Zhizhen Zhang and Rei Sakamoto in the US Open, Qualification ATP, originally scheduled for August 24, 2026 at 5:00PM ET.
This market will resolve to "Over" if the total number of games completed in the first set equals or exceeds 9. Otherwise, it will resolve to "Under."
Any first-set tiebreak counts as one (1) game toward the total.
If the first set is not completed for any reason, this market will resolve 50-50. If the match is canceled before play begins, or play has not begun by September 7, 2026, 11:59 PM ET (14 days after the scheduled start), this market will also resolve 50-50.
Resolution will be based on official Grand Slam results.This market refers to the tennis match between Zhizhen Zhang and Rei Sakamoto in the US Open, Qualification ATP, originally scheduled for August 24, 2026 at 5:00PM ET.
This market will resolve to "Over" if the total number of games completed in set 2 equals or exceeds 9. Otherwise, it will resolve to "Under."
Any tiebreak in set 2 counts as one (1) game toward the total.
If set 2 is not completed for any reason (including the match ending before set 2 is reached), this market will resolve 50-50. If the match is canceled before play begins, or play has not begun by September 7, 2026, 11:59 PM ET (14 days after the scheduled start), this market will also resolve 50-50.
Resolution will be based on official Grand Slam results.This market refers to the tennis match between Zhizhen Zhang and Rei Sakamoto in the US Open, Qualification ATP, originally scheduled for August 24, 2026 at 5:00PM ET.
This market will resolve to "Over" if the total number of games completed in the first set equals or exceeds 10. Otherwise, it will resolve to "Under."
Any first-set tiebreak counts as one (1) game toward the total.
If the first set is not completed for any reason, this market will resolve 50-50. If the match is canceled before play begins, or play has not begun by September 7, 2026, 11:59 PM ET (14 days after the scheduled start), this market will also resolve 50-50.
Resolution will be based on official Grand Slam results.This market refers to the tennis match between Zhizhen Zhang and Rei Sakamoto in the US Open, Qualification ATP, originally scheduled for August 24, 2026 at 5:00PM ET.
This market will resolve to "Over" if the total number of games completed in set 2 equals or exceeds 10. Otherwise, it will resolve to "Under."
Any tiebreak in set 2 counts as one (1) game toward the total.
If set 2 is not completed for any reason (including the match ending before set 2 is reached), this market will resolve 50-50. If the match is canceled before play begins, or play has not begun by September 7, 2026, 11:59 PM ET (14 days after the scheduled start), this market will also resolve 50-50.
Resolution will be based on official Grand Slam results.This market refers to the tennis match between Zhizhen Zhang and Rei Sakamoto in the US Open, Qualification ATP, originally scheduled for August 24, 2026 at 5:00PM ET.
This market will resolve to "Over" if the total number of games completed in set 2 equals or exceeds 11. Otherwise, it will resolve to "Under."
Any tiebreak in set 2 counts as one (1) game toward the total.
If set 2 is not completed for any reason (including the match ending before set 2 is reached), this market will resolve 50-50. If the match is canceled before play begins, or play has not begun by September 7, 2026, 11:59 PM ET (14 days after the scheduled start), this market will also resolve 50-50.
Resolution will be based on official Grand Slam results.This market refers to the tennis match between Zhizhen Zhang and Rei Sakamoto in the US Open, Qualification ATP, originally scheduled for August 24, 2026 at 5:00PM ET.
This market will resolve to "Over" if the total number of games completed in the first set equals or exceeds 11. Otherwise, it will resolve to "Under."
Any first-set tiebreak counts as one (1) game toward the total.
If the first set is not completed for any reason, this market will resolve 50-50. If the match is canceled before play begins, or play has not begun by September 7, 2026, 11:59 PM ET (14 days after the scheduled start), this market will also resolve 50-50.
Resolution will be based on official Grand Slam results.Zhizhen Zhang enters this US Open qualifying matchup with extensive hard-court experience and a career-high ranking of 31, though his 2026 form shows a 6-11 record and a current standing near 158. Rei Sakamoto, the 20-year-old Japanese prospect ranked around 148-165 after reaching a career high in June, brings recent Challenger momentum, including titles and a main-draw appearance at the Australian Open. The pair met earlier in 2026 at a Brisbane Challenger semifinal. On outdoor hard courts, Zhang’s serve and baseline consistency contrast with Sakamoto’s aggressive baseline game and improving fitness. Schedule position in the qualifying draw, along with any last-minute injury or travel factors, will influence the outcome in this closely contested first-round encounter.
This market refers to the tennis match between Zhizhen Zhang and Rei Sakamoto in the US Open, Qualification ATP, originally scheduled for August 24, 2026 at 5:00PM ET.
This market will resolve to 'Zhizhen Zhang' if Zhizhen Zhang advances against Rei Sakamoto.
This market will resolve to 'Rei Sakamoto' if Rei Sakamoto advances against Zhizhen Zhang.
If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 7, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve to 50-50.
If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances.
If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50.
The primary resolution source will be official information from the ATP Tour. A consensus of credible reporting may also be used.
This market will resolve to 'Zhizhen Zhang' if Zhizhen Zhang advances against Rei Sakamoto.
This market will resolve to 'Rei Sakamoto' if Rei Sakamoto advances against Zhizhen Zhang.
If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 7, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve to 50-50.
If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances.
If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50.
The primary resolution source will be official information from the ATP Tour. A consensus of credible reporting may also be used.
Market Opened: Aug 23, 2026, 7:05 PM ET
Volume
$0End Date
Aug 31, 2026Market Opened
Aug 23, 2026, 7:05 PM ETResolution Source
https://www.atptour.com/en/scores/currentResolver
0x65070BE91...Zhizhen Zhang enters this US Open qualifying matchup with extensive hard-court experience and a career-high ranking of 31, though his 2026 form shows a 6-11 record and a current standing near 158. Rei Sakamoto, the 20-year-old Japanese prospect ranked around 148-165 after reaching a career high in June, brings recent Challenger momentum, including titles and a main-draw appearance at the Australian Open. The pair met earlier in 2026 at a Brisbane Challenger semifinal. On outdoor hard courts, Zhang’s serve and baseline consistency contrast with Sakamoto’s aggressive baseline game and improving fitness. Schedule position in the qualifying draw, along with any last-minute injury or travel factors, will influence the outcome in this closely contested first-round encounter.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated
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