**The 2026 US Open men's singles reaches the round of 16 on September 6, with defending champion Carlos Alcaraz (returning from a four-month wrist injury layoff) facing American Tommy Paul, while top seed Alexander Zverev continues after early five-set tests and Ben Shelton meets Stefanos Tsitsipas.** Jannik Sinner's pre-tournament withdrawal with a right knee injury has reordered the bracket and boosted Alcaraz's implied probability as the clear favorite despite limited recent match play. Third-round upsets, including Francisco Cerundolo eliminating Taylor Fritz and Learner Tien advancing, have thinned the field and highlighted depth among lower seeds and Americans. Late-summer hard-court form, five-set endurance on DecoTurf/Laykold surfaces, and rest advantages in the second week now shape trader consensus on quarterfinal advancement probabilities, with fitness concerns and draw positioning remaining key variables.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated$42,171 Vol.
Carlos Alcaraz
83%
Ben Shelton
69%
Alexander Blockx
60%
Daniil Medvedev
59%
Frances Tiafoe
42%
Francisco Cerundolo
40%
Tomas Martin Etcheverry
27%
Tommy Paul
16%
Luciano Darderi
13%
Alexander Zverev
45%
Learner Tien
40%
$42,171 Vol.
Carlos Alcaraz
83%
Ben Shelton
69%
Alexander Blockx
60%
Daniil Medvedev
59%
Frances Tiafoe
42%
Francisco Cerundolo
40%
Tomas Martin Etcheverry
27%
Tommy Paul
16%
Luciano Darderi
13%
Alexander Zverev
45%
Learner Tien
40%
If at any point it becomes impossible for the listed player to clinch a spot in the Quarterfinals at the 2026 US Open (e.g. the player is eliminated), the associated market will resolve to "No".
If the 2026 US Open is cancelled, postponed after September 27, 11:59 PM ET, or the players that qualified for the Quarterfinals have not been officially confirmed by the USTA within that timeframe, this market will resolve to "No".
The resolution source for this market will be official information from the USTA and ATP; however, a consensus of credible reporting may also be used.
Market Opened: Aug 25, 2026, 11:19 AM ET
Resolver
0x65070BE91...If at any point it becomes impossible for the listed player to clinch a spot in the Quarterfinals at the 2026 US Open (e.g. the player is eliminated), the associated market will resolve to "No".
If the 2026 US Open is cancelled, postponed after September 27, 11:59 PM ET, or the players that qualified for the Quarterfinals have not been officially confirmed by the USTA within that timeframe, this market will resolve to "No".
The resolution source for this market will be official information from the USTA and ATP; however, a consensus of credible reporting may also be used.
Resolver
0x65070BE91...**The 2026 US Open men's singles reaches the round of 16 on September 6, with defending champion Carlos Alcaraz (returning from a four-month wrist injury layoff) facing American Tommy Paul, while top seed Alexander Zverev continues after early five-set tests and Ben Shelton meets Stefanos Tsitsipas.** Jannik Sinner's pre-tournament withdrawal with a right knee injury has reordered the bracket and boosted Alcaraz's implied probability as the clear favorite despite limited recent match play. Third-round upsets, including Francisco Cerundolo eliminating Taylor Fritz and Learner Tien advancing, have thinned the field and highlighted depth among lower seeds and Americans. Late-summer hard-court form, five-set endurance on DecoTurf/Laykold surfaces, and rest advantages in the second week now shape trader consensus on quarterfinal advancement probabilities, with fitness concerns and draw positioning remaining key variables.
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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