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| Outcome | Chance | 24h | 1 week | Bid · Ask | 24h volume | Ends |
|---|---|---|---|---|---|---|
| US Open ATP: Frances Tiafoe vs Alex Michelsen | 100% | +41 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Total Sets: O/U 3.5 | 100% | +34 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Match O/U 38.5 | 100% | +46 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Game Spread +/-1.5 | 0% | −53 pts | — | — · <1¢ | — | ended |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Set Handicap +/-1.5 | 0% | −28 pts | — | — · <1¢ | — | ended |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Set 2 Winner | 0% | −55 pts | — | — · <1¢ | — | ended |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Set 1 Winner | 0% | −54 pts | — | — · <1¢ | — | ended |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Match O/U 40.5 | 100% | +53 pts | — | 99¢ · 100¢ (1¢) | — | ended |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Set 3 Winner | 100% | +45 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Set Handicap +/-2.5 | 0% | −13 pts | — | — · <1¢ | — | ended |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Set Handicap +/-1.5 | 0% | −33 pts | — | — · 19¢ | — | ended |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Set Handicap +/-2.5 | 0% | −21 pts | — | — · <1¢ | — | ended |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Match O/U 36.5 | 100% | +42 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Total Sets: O/U 4.5 | 100% | +70 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Set 1 O/U 10.5 | 100% | +66 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| Completed Match | 100% | +50 pts | — | 99¢ · 100¢ (1¢) | — | ended |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Set 4 Winner | 100% | +50 pts | — | 99¢ · 100¢ (1¢) | — | ended |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Set 1 O/U 8.5 | 100% | +22 pts | — | 99¢ · 100¢ (1¢) | — | ended |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Set 1 O/U 9.5 | 100% | +40 pts | — | 99¢ · 100¢ (1¢) | — | ended |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Set 2 O/U 8.5 | 100% | +50 pts | — | 99¢ · 100¢ (1¢) | — | ended |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Set 2 O/U 9.5 | 0% | −50 pts | — | — · 1¢ | — | ended |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Set 2 O/U 10.5 | 0% | −50 pts | — | — · 1¢ | — | ended |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Set 3 O/U 8.5 | 100% | +50 pts | — | 99¢ · 100¢ (1¢) | — | ended |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Set 3 O/U 9.5 | 100% | +41 pts | — | 81¢ · 100¢ (19¢) | — | ended |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Set 3 O/U 10.5 | 100% | +41 pts | — | 81¢ · 100¢ (19¢) | — | ended |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Set 4 O/U 8.5 | 100% | +41 pts | — | 81¢ · 100¢ (19¢) | — | ended |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Set 4 O/U 9.5 | 0% | −41 pts | — | — · 19¢ | — | ended |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Set 4 O/U 10.5 | 0% | −41 pts | — | — · 19¢ | — | ended |
| When | Trader | Outcome | Bet | Size | P&L now | Insider |
|---|---|---|---|---|---|---|
| 38d | hurrican | US Open ATP: Frances Tiafoe vs Alex Michelsen | SellFrances Tiafoe>99¢ | $3,818 | −$4 −0.1% | — |
| 38d |  Kangta6365 | US Open ATP: Frances Tiafoe vs Alex Michelsen | SellFrances Tiafoe>99¢ | $1,574 | −$2 −0.1% | — |
| 38d | phatgentleman | US Open ATP: Frances Tiafoe vs Alex Michelsen | SellFrances Tiafoe>99¢ | $1,438 | −$1 −0.1% | — |
| 38d | Wordy-Littleneck | US Open ATP: Frances Tiafoe vs Alex Michelsen | SellFrances Tiafoe>99¢ | $251,520 | −$252 −0.1% | — |
| 38d | Kakegurui77 | US Open ATP: Frances Tiafoe vs Alex Michelsen | SellFrances Tiafoe>99¢ | $2,634 | −$3 −0.1% | — |
| 38d | E7C43 | US Open ATP: Frances Tiafoe vs Alex Michelsen | SellFrances Tiafoe>99¢ | $2,968 | −$3 −0.1% | — |
| 38d | GeorgeBrian | US Open ATP: Frances Tiafoe vs Alex Michelsen | SellFrances Tiafoe>99¢ | $18,660 | −$19 −0.1% | — |
| 38d | OMGClayAlan | US Open ATP: Frances Tiafoe vs Alex Michelsen | SellFrances Tiafoe>99¢ | $1,958 | −$2 −0.1% | — |
| 38d | Loser97 | US Open ATP: Frances Tiafoe vs Alex Michelsen | SellFrances Tiafoe>99¢ | $2,636 | −$3 −0.1% | — |
| 38d | nick10s | US Open ATP: Frances Tiafoe vs Alex Michelsen | SellFrances Tiafoe>99¢ | $1,031 | −$1 −0.1% | — |
| 38d |  isco222 fills | US Open ATP: Frances Tiafoe vs Alex Michelsen | SellFrances Tiafoe70¢ → 100¢ | $9,662 | −$4,179 −43% | — |
| 38d | jiiivi6553 fills | US Open ATP: Frances Tiafoe vs Alex Michelsen | SellFrances Tiafoe76¢ → 100¢ | $7,107 | −$2,286 −32% | — |
| 38d | Immense-Sitar | US Open ATP: Frances Tiafoe vs Alex Michelsen | SellFrances Tiafoe>99¢ | $3,385 | −$3 −0.1% | — |
| 38d | Katalunygeaxvhj2 fills | US Open ATP: Frances Tiafoe vs Alex Michelsen | SellFrances Tiafoe88¢ → 100¢ | $15,207 | −$2,083 −14% | — |
| 38d | Serjflash | US Open ATP: Frances Tiafoe vs Alex Michelsen | SellFrances Tiafoe>99¢ | $2,459 | −$2 −0.1% | — |
| 38d | Optimal-Summit | US Open ATP: Frances Tiafoe vs Alex Michelsen | SellFrances Tiafoe>99¢ | $1,419 | −$1 −0.1% | — |
| 38d | devilbanker | US Open ATP: Frances Tiafoe vs Alex Michelsen | SellFrances Tiafoe>99¢ | $48,278 | −$48 −0.1% | — |
| 38d | neutralwave23 | US Open ATP: Frances Tiafoe vs Alex Michelsen | SellFrances Tiafoe>99¢ | $1,063 | −$1 −0.1% | — |
| 38d | 0x98f9…5cd9 | US Open ATP: Frances Tiafoe vs Alex Michelsen | SellFrances Tiafoe>99¢ | $1,408 | −$1 −0.1% | — |
| 38d | kkookkoo | US Open ATP: Frances Tiafoe vs Alex Michelsen | SellFrances Tiafoe>99¢ | $12,488 | −$13 −0.1% | — |
| 38d | Israel26 | US Open ATP: Frances Tiafoe vs Alex Michelsen | SellFrances Tiafoe>99¢ | $11,907 | −$12 −0.1% | — |
| 38d | saltibiscoti | US Open ATP: Frances Tiafoe vs Alex Michelsen | SellFrances Tiafoe>99¢ | $2,694 | −$3 −0.1% | — |
| 38d | Zlatmar | US Open ATP: Frances Tiafoe vs Alex Michelsen | SellFrances Tiafoe>99¢ | $2,957 | −$3 −0.1% | — |
| 38d | 0xce1f…910f | US Open ATP: Frances Tiafoe vs Alex Michelsen | SellFrances Tiafoe>99¢ | $1,835 | −$2 −0.1% | — |
| 38d |  Blond-Prevalence | US Open ATP: Frances Tiafoe vs Alex Michelsen | SellFrances Tiafoe>99¢ | $1,009 | −$1 −0.1% | — |
| 38d | RebornAthena2 fills | US Open ATP: Frances Tiafoe vs Alex Michelsen | SellFrances Tiafoe86¢ → 100¢ | $5,780 | −$945 −16% | — |
| 38d | dwdwdwdwwwdaa | US Open ATP: Frances Tiafoe vs Alex Michelsen | BuyFrances Tiafoe>99¢ | $9,746 | +$15 +0.1% | 4 |
| 38d | Flaznorp12 fills | US Open ATP: Frances Tiafoe vs Alex Michelsen | BuyFrances Tiafoe50¢ → 100¢ | $39,689 | +$39,905 +101% | 6 |
| 38d | 0F62 | US Open ATP: Frances Tiafoe vs Alex Michelsen | BuyFrances Tiafoe93¢ → 100¢ | $1,184 | +$91 +7.6% | 4 |
| 38d | Complicated-Chassis | US Open ATP: Frances Tiafoe vs Alex Michelsen | SellFrances Tiafoe92¢ → 100¢ | $1,381 | −$119 −8.7% | — |
| 38d | tpzz552 fills | US Open ATP: Frances Tiafoe vs Alex Michelsen | BuyAlex Michelsen11¢ → 0¢ | $14,000 | −$14,000 −100% | 6 |
| 38d | hurrican3 fills | US Open ATP: Frances Tiafoe vs Alex Michelsen | BuyFrances Tiafoe59¢ → 100¢ | $20,804 | +$14,467 +70% | 6 |
| 38d | LeBronGamer12 fills | US Open ATP: Frances Tiafoe vs Alex Michelsen | BuyAlex Michelsen53¢ → 0¢ | $23,188 | −$23,188 −100% | 6 |
| 38d | HomeRunHazard3 fills | US Open ATP: Frances Tiafoe vs Alex Michelsen | BuyFrances Tiafoe52¢ → 100¢ | $7,480 | +$6,979 +93% | 6 |
| 38d |  DoShanna456818 | US Open ATP: Frances Tiafoe vs Alex Michelsen | SellFrances Tiafoe84¢ → 100¢ | $1,154 | −$220 −19% | — |
| 38d |  Parz1vaI | US Open ATP: Frances Tiafoe vs Alex Michelsen | SellFrances Tiafoe84¢ → 100¢ | $6,292 | −$1,198 −19% | — |
| 38d | asdfghjkllkjhgfdsdfgh | US Open ATP: Frances Tiafoe vs Alex Michelsen | SellFrances Tiafoe84¢ → 100¢ | $1,030 | −$193 −19% | — |
| 38d | alexdave8885 fills | US Open ATP: Frances Tiafoe vs Alex Michelsen | SellAlex Michelsen44¢ → 0¢ | $27,200 | +$27,200 +100% | — |
| 38d | tennis-loser | US Open ATP: Frances Tiafoe vs Alex Michelsen | BuyFrances Tiafoe67¢ → 100¢ | $2,000 | +$990 +49% | 6 |
| 38d | vladiva | US Open ATP: Frances Tiafoe vs Alex Michelsen | SellFrances Tiafoe72¢ → 100¢ | $5,595 | −$2,186 −39% | — |
| 38d |  TRCM3 fills | US Open ATP: Frances Tiafoe vs Alex Michelsen | BuyFrances Tiafoe57¢ → 100¢ | $18,164 | +$13,935 +77% | 6 |
| 38d | blinki4 fills | US Open ATP: Frances Tiafoe vs Alex Michelsen | SellFrances Tiafoe52¢ → 100¢ | $7,684 | −$7,234 −94% | — |
| 38d | Substantial-Service2 fills | US Open ATP: Frances Tiafoe vs Alex Michelsen | BuyAlex Michelsen40¢ → 0¢ | $5,671 | −$5,671 −100% | 6 |
| 38d | LeBronGamer | US Open ATP: Frances Tiafoe vs Alex Michelsen | SellAlex Michelsen40¢ → 0¢ | $1,526 | +$1,526 +100% | — |
| 38d | dmoralez6 fills | US Open ATP: Frances Tiafoe vs Alex Michelsen | BuyFrances Tiafoe50¢ → 100¢ | $21,231 | +$21,613 +102% | 6 |
| 38d | blinki4 fills | US Open ATP: Frances Tiafoe vs Alex Michelsen | BuyFrances Tiafoe48¢ → 100¢ | $8,031 | +$8,810 +110% | 6 |
| 38d | LeBronGamer5 fills | US Open ATP: Frances Tiafoe vs Alex Michelsen | SellFrances Tiafoe48¢ → 100¢ | $7,877 | −$8,376 −106% | — |
| 38d | dmoralez12 fills | US Open ATP: Frances Tiafoe vs Alex Michelsen | SellAlex Michelsen60¢ → 0¢ | $30,304 | +$30,304 +100% | — |
| 38d | LeBronGamer11 fills | US Open ATP: Frances Tiafoe vs Alex Michelsen | BuyFrances Tiafoe46¢ → 100¢ | $25,411 | +$29,566 +116% | 6 |
| 38d | Katalunygeaxvhj4 fills | US Open ATP: Frances Tiafoe vs Alex Michelsen | BuyFrances Tiafoe20¢ → 100¢ | $11,803 | +$46,779 +396% | 6 |
| 38d | Generous-Burning | US Open ATP: Frances Tiafoe vs Alex Michelsen | SellFrances Tiafoe42¢ → 100¢ | $4,882 | −$6,818 −140% | — |
| 38d | 47HD13 | US Open ATP: Frances Tiafoe vs Alex Michelsen | SellAlex Michelsen57¢ → 0¢ | $1,750 | +$1,750 +100% | — |
| 38d | mamee2 | US Open ATP: Frances Tiafoe vs Alex Michelsen | BuyFrances Tiafoe47¢ → 100¢ | $2,143 | +$2,457 +115% | 6 |
| 38d | dmoralez13 fills | US Open ATP: Frances Tiafoe vs Alex Michelsen | BuyAlex Michelsen80¢ → 0¢ | $26,833 | −$26,833 −100% | 5 |
| 38d |  Dzhigi | US Open ATP: Frances Tiafoe vs Alex Michelsen | BuyFrances Tiafoe58¢ → 100¢ | $1,300 | +$948 +73% | 6 |
| 38d | LFP272 | US Open ATP: Frances Tiafoe vs Alex Michelsen | SellFrances Tiafoe69¢ → 100¢ | $1,534 | −$678 −44% | — |
| 38d | sifonman4 fills | US Open ATP: Frances Tiafoe vs Alex Michelsen | BuyFrances Tiafoe51¢ → 100¢ | $5,836 | +$5,574 +96% | 6 |
| 38d | dmoralez6 fills | US Open ATP: Frances Tiafoe vs Alex Michelsen | SellFrances Tiafoe51¢ → 100¢ | $23,191 | −$22,246 −96% | — |
| 38d | Stupendous-Spring-Cartilage | US Open ATP: Frances Tiafoe vs Alex Michelsen | SellFrances Tiafoe50¢ → 100¢ | $2,136 | −$2,162 −101% | — |
| 38d | redfox666 | US Open ATP: Frances Tiafoe vs Alex Michelsen | SellFrances Tiafoe50¢ → 100¢ | $1,785 | −$1,803 −101% | — |
CORGII66,557 sharesThis market refers to the tennis match between Frances Tiafoe and Alex Michelsen in the US Open ATP, originally scheduled for September 8, 2026 at 11:30AM ET. This market will resolve to 'Frances Tiafoe' if Frances Tiafoe advances against Alex Michelsen. This market will resolve to 'Alex Michelsen' if Alex Michelsen advances against Frances Tiafoe. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 22, 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.
Sources: Polymarket's Gamma API, its CLOB price history and its Data API, read every two minutes. Prices are each outcome's Yes price, which is the market's probability: 100¢ for US Open ATP: Frances Tiafoe vs Alex Michelsen means the market gives it about 100%.