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| Outcome | Chance | 24h | 1 week | Bid · Ask | 24h volume | Ends |
|---|---|---|---|---|---|---|
| US Open ATP: Alexander Blockx vs Flavio Cobolli | 100% | +50 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open ATP: Alexander Blockx vs Flavio Cobolli Set 1 Winner | 0% | −49 pts | — | — · <1¢ | — | ended |
| US Open ATP: Alexander Blockx vs Flavio Cobolli Match O/U 40.5 | 0% | −47 pts | — | — · <1¢ | — | ended |
| US Open ATP: Alexander Blockx vs Flavio Cobolli Total Sets: O/U 3.5 | 100% | +33 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open ATP: Alexander Blockx vs Flavio Cobolli Match O/U 38.5 | 0% | −52 pts | — | — · <1¢ | — | ended |
| US Open ATP: Alexander Blockx vs Flavio Cobolli Set 2 Winner | 100% | +51 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open ATP: Alexander Blockx vs Flavio Cobolli Set Handicap +/-1.5 | 0% | −34 pts | — | — · 4¢ | — | ended |
| US Open ATP: Alexander Blockx vs Flavio Cobolli Set 4 Winner | 100% | +50 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open ATP: Alexander Blockx vs Flavio Cobolli Set 3 Winner | 100% | +52 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open ATP: Alexander Blockx vs Flavio Cobolli Match O/U 36.5 | 100% | +42 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| Completed Match | 100% | +50 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open ATP: Alexander Blockx vs Flavio Cobolli Set Handicap +/-1.5 | 100% | +65 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open ATP: Alexander Blockx vs Flavio Cobolli Total Sets: O/U 4.5 | 0% | −30 pts | — | — · <1¢ | — | ended |
| US Open ATP: Alexander Blockx vs Flavio Cobolli Game Spread +/-0.5 | 0% | −48 pts | — | — · <1¢ | — | ended |
| US Open ATP: Alexander Blockx vs Flavio Cobolli Set Handicap +/-2.5 | 0% | −17 pts | — | — · <1¢ | — | ended |
| US Open ATP: Alexander Blockx vs Flavio Cobolli Set 1 O/U 8.5 | 100% | +22 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open ATP: Alexander Blockx vs Flavio Cobolli Set 2 O/U 8.5 | 100% | +50 pts | — | 99¢ · 100¢ (1¢) | — | ended |
| US Open ATP: Alexander Blockx vs Flavio Cobolli Set 1 O/U 9.5 | 100% | +42 pts | — | 99¢ · 100¢ (1¢) | — | ended |
| US Open ATP: Alexander Blockx vs Flavio Cobolli Set 2 O/U 9.5 | 0% | −50 pts | — | — · 1¢ | — | ended |
| US Open ATP: Alexander Blockx vs Flavio Cobolli Set 1 O/U 10.5 | 100% | +61 pts | — | 99¢ · 100¢ (1¢) | — | ended |
| US Open ATP: Alexander Blockx vs Flavio Cobolli Set 2 O/U 10.5 | 0% | −50 pts | — | — · 1¢ | — | ended |
| US Open ATP: Alexander Blockx vs Flavio Cobolli Set 3 O/U 8.5 | 0% | −41 pts | — | — · 19¢ | — | ended |
| US Open ATP: Alexander Blockx vs Flavio Cobolli Set 3 O/U 9.5 | 0% | −41 pts | — | — · 19¢ | — | ended |
| US Open ATP: Alexander Blockx vs Flavio Cobolli Set 3 O/U 10.5 | 0% | −41 pts | — | — · 19¢ | — | ended |
| US Open ATP: Alexander Blockx vs Flavio Cobolli Set 4 O/U 8.5 | 100% | +50 pts | — | 99¢ · 100¢ (1¢) | — | ended |
| US Open ATP: Alexander Blockx vs Flavio Cobolli Set Handicap +/-2.5 | 0% | −17 pts | — | — · <1¢ | — | ended |
| US Open ATP: Alexander Blockx vs Flavio Cobolli Set 4 O/U 9.5 | 0% | −50 pts | — | — · <1¢ | — | ended |
| US Open ATP: Alexander Blockx vs Flavio Cobolli Set 4 O/U 10.5 | 0% | −50 pts | — | — · <1¢ | — | ended |
| When | Trader | Outcome | Bet | Size | P&L now | Insider |
|---|---|---|---|---|---|---|
| 41d |  Kangta6365 | US Open ATP: Alexander Blockx vs Flavio Cobolli | SellAlexander Blockx>99¢ | $1,653 | −$2 −0.1% | — |
| 41d | Eddd1x | US Open ATP: Alexander Blockx vs Flavio Cobolli | SellAlexander Blockx>99¢ | $3,798 | −$4 −0.1% | — |
| 41d | Georg2110 | US Open ATP: Alexander Blockx vs Flavio Cobolli | SellAlexander Blockx>99¢ | $1,430 | −$1 −0.1% | — |
| 41d | Generous-Burning | US Open ATP: Alexander Blockx vs Flavio Cobolli | SellAlexander Blockx>99¢ | $12,212 | −$12 −0.1% | — |
| 41d | MarinM | US Open ATP: Alexander Blockx vs Flavio Cobolli | SellAlexander Blockx>99¢ | $1,002 | −$1 −0.1% | — |
| 41d | MilesY | US Open ATP: Alexander Blockx vs Flavio Cobolli | SellAlexander Blockx>99¢ | $8,359 | −$8 −0.1% | — |
| 41d | eugenepol0 | US Open ATP: Alexander Blockx vs Flavio Cobolli | SellAlexander Blockx>99¢ | $2,923 | −$3 −0.1% | — |
| 41d |  barocco | US Open ATP: Alexander Blockx vs Flavio Cobolli | SellAlexander Blockx>99¢ | $2,026 | −$2 −0.1% | — |
| 41d | VPenguin | US Open ATP: Alexander Blockx vs Flavio Cobolli | SellAlexander Blockx>99¢ | $7,802 | −$8 −0.1% | — |
| 41d |  cryptojo | US Open ATP: Alexander Blockx vs Flavio Cobolli | BuyAlexander Blockx>99¢ | $2,753 | +$3 +0.1% | 4 |
| 41d | thestingsnake | US Open ATP: Alexander Blockx vs Flavio Cobolli | SellAlexander Blockx94¢ → 100¢ | $1,045 | −$68 −6.5% | — |
| 41d | Gourmet16 fills | US Open ATP: Alexander Blockx vs Flavio Cobolli | SellAlexander Blockx79¢ → 100¢ | $33,884 | −$9,031 −27% | — |
| 41d |  Mr.Kirk | US Open ATP: Alexander Blockx vs Flavio Cobolli | SellAlexander Blockx79¢ → 100¢ | $1,732 | −$458 −26% | — |
| 41d | Flaznorp9 fills | US Open ATP: Alexander Blockx vs Flavio Cobolli | BuyAlexander Blockx84¢ → 100¢ | $45,859 | +$8,755 +19% | 5 |
| 41d | barocco | US Open ATP: Alexander Blockx vs Flavio Cobolli | BuyAlexander Blockx79¢ → 100¢ | $1,600 | +$428 +27% | 5 |
| 41d | omnibus-076daa8 fills | US Open ATP: Alexander Blockx vs Flavio Cobolli | BuyAlexander Blockx81¢ → 100¢ | $19,750 | +$4,655 +24% | 5 |
| 41d | MilesY | US Open ATP: Alexander Blockx vs Flavio Cobolli | BuyAlexander Blockx86¢ → 100¢ | $7,193 | +$1,175 +16% | 5 |
| 41d | eugenepol0 | US Open ATP: Alexander Blockx vs Flavio Cobolli | BuyAlexander Blockx85¢ → 100¢ | $2,500 | +$426 +17% | 5 |
| 41d | petyas231 | US Open ATP: Alexander Blockx vs Flavio Cobolli | BuyFlavio Cobolli6¢ → 0¢ | $1,047 | −$1,047 −100% | 6 |
| 41d |  Gamer-Girl2 fills | US Open ATP: Alexander Blockx vs Flavio Cobolli | BuyAlexander Blockx94¢ → 100¢ | $4,768 | +$285 +6.0% | 4 |
| 41d | unknownloser1 | US Open ATP: Alexander Blockx vs Flavio Cobolli | BuyFlavio Cobolli11¢ → 0¢ | $3,000 | −$3,000 −100% | 6 |
| 41d | HomeRunHazard4 fills | US Open ATP: Alexander Blockx vs Flavio Cobolli | BuyAlexander Blockx44¢ → 100¢ | $13,056 | +$16,823 +129% | 6 |
| 41d | devilbanker2 fills | US Open ATP: Alexander Blockx vs Flavio Cobolli | BuyFlavio Cobolli12¢ → 0¢ | $6,908 | −$6,908 −100% | 6 |
| 41d | astapzippo3 fills | US Open ATP: Alexander Blockx vs Flavio Cobolli | BuyAlexander Blockx87¢ → 100¢ | $5,200 | +$800 +15% | 5 |
| 41d | alcoholic1337 | US Open ATP: Alexander Blockx vs Flavio Cobolli | BuyAlexander Blockx86¢ → 100¢ | $6,192 | +$1,008 +16% | 5 |
| 41d | HBAFlover98 | US Open ATP: Alexander Blockx vs Flavio Cobolli | BuyAlexander Blockx87¢ → 100¢ | $14,790 | +$2,210 +15% | 5 |
| 41d | liyangwin06 | US Open ATP: Alexander Blockx vs Flavio Cobolli | BuyAlexander Blockx85¢ → 100¢ | $1,615 | +$285 +18% | 5 |
| 41d | n0tTODAY | US Open ATP: Alexander Blockx vs Flavio Cobolli | BuyAlexander Blockx85¢ → 100¢ | $16,150 | +$2,850 +18% | 5 |
| 41d | Gelatin111 | US Open ATP: Alexander Blockx vs Flavio Cobolli | BuyAlexander Blockx85¢ → 100¢ | $1,615 | +$285 +18% | 5 |
| 41d | jarosbill | US Open ATP: Alexander Blockx vs Flavio Cobolli | BuyAlexander Blockx85¢ → 100¢ | $8,075 | +$1,425 +18% | 5 |
| 41d | mermlok | US Open ATP: Alexander Blockx vs Flavio Cobolli | BuyAlexander Blockx88¢ → 100¢ | $1,672 | +$228 +14% | 5 |
| 41d | Favorable-Pepper-Brushing | US Open ATP: Alexander Blockx vs Flavio Cobolli | SellAlexander Blockx87¢ → 100¢ | $2,660 | −$397 −15% | — |
| 41d | mountion | US Open ATP: Alexander Blockx vs Flavio Cobolli | SellAlexander Blockx88¢ → 100¢ | $2,033 | −$277 −14% | — |
| 41d | Cavernous-Undershirt | US Open ATP: Alexander Blockx vs Flavio Cobolli | SellAlexander Blockx90¢ → 100¢ | $7,667 | −$852 −11% | — |
| 41d | YEEES-but-why | US Open ATP: Alexander Blockx vs Flavio Cobolli | BuyAlexander Blockx91¢ → 100¢ | $3,009 | +$298 +9.9% | 5 |
| 41d | mountion | US Open ATP: Alexander Blockx vs Flavio Cobolli | BuyAlexander Blockx89¢ → 100¢ | $1,500 | +$185 +12% | 5 |
| 41d | Tantula | US Open ATP: Alexander Blockx vs Flavio Cobolli | SellAlexander Blockx88¢ → 100¢ | $5,635 | −$768 −14% | — |
| 41d |  hobo69 | US Open ATP: Alexander Blockx vs Flavio Cobolli | BuyAlexander Blockx89¢ → 100¢ | $1,788 | +$212 +12% | 5 |
| 41d | Favorable-Pepper-Brushing | US Open ATP: Alexander Blockx vs Flavio Cobolli | BuyAlexander Blockx81¢ → 100¢ | $2,476 | +$581 +23% | 5 |
| 41d | Cavernous-Undershirt | US Open ATP: Alexander Blockx vs Flavio Cobolli | BuyAlexander Blockx81¢ → 100¢ | $6,900 | +$1,619 +23% | 5 |
| 41d | Rash-Copying | US Open ATP: Alexander Blockx vs Flavio Cobolli | SellAlexander Blockx80¢ → 100¢ | $31,815 | −$8,053 −25% | — |
| 41d | eokho | US Open ATP: Alexander Blockx vs Flavio Cobolli | SellFlavio Cobolli19¢ → 0¢ | $1,294 | +$1,294 +100% | — |
| 41d | Generous-Burning3 fills | US Open ATP: Alexander Blockx vs Flavio Cobolli | BuyAlexander Blockx59¢ → 100¢ | $6,300 | +$4,326 +69% | 6 |
| 41d | Hungry--Hippo | US Open ATP: Alexander Blockx vs Flavio Cobolli | SellFlavio Cobolli37¢ → 0¢ | $1,339 | +$1,339 +100% | — |
| 41d | omnibus-00c8ef | US Open ATP: Alexander Blockx vs Flavio Cobolli | BuyAlexander Blockx63¢ → 100¢ | $1,575 | +$925 +59% | 6 |
| 41d | 0x78be…bde03 fills | US Open ATP: Alexander Blockx vs Flavio Cobolli | BuyAlexander Blockx48¢ → 100¢ | $24,944 | +$26,781 +107% | 6 |
| 41d | Tobias1909 | US Open ATP: Alexander Blockx vs Flavio Cobolli | BuyAlexander Blockx55¢ → 100¢ | $2,201 | +$1,801 +82% | 6 |
| 41d | LFP272 | US Open ATP: Alexander Blockx vs Flavio Cobolli | BuyAlexander Blockx55¢ → 100¢ | $2,200 | +$1,800 +82% | 6 |
| 41d | hamlo | US Open ATP: Alexander Blockx vs Flavio Cobolli | BuyFlavio Cobolli47¢ → 0¢ | $6,580 | −$6,580 −100% | 6 |
| 41d | neutralwave232 fills | US Open ATP: Alexander Blockx vs Flavio Cobolli | BuyFlavio Cobolli57¢ → 0¢ | $5,786 | −$5,786 −100% | 6 |
| 41d | LeBronGamer2 fills | US Open ATP: Alexander Blockx vs Flavio Cobolli | BuyFlavio Cobolli64¢ → 0¢ | $3,118 | −$3,118 −100% | 6 |
| 41d | olegio | US Open ATP: Alexander Blockx vs Flavio Cobolli | BuyFlavio Cobolli73¢ → 0¢ | $1,329 | −$1,329 −100% | 6 |
| 41d | Al-F0nce | US Open ATP: Alexander Blockx vs Flavio Cobolli | SellFlavio Cobolli73¢ → 0¢ | $1,647 | +$1,647 +100% | — |
| 41d | cryptokam9 | US Open ATP: Alexander Blockx vs Flavio Cobolli | SellAlexander Blockx26¢ → 100¢ | $1,385 | −$3,941 −285% | — |
| 41d | 0x760f…326a | US Open ATP: Alexander Blockx vs Flavio Cobolli | BuyAlexander Blockx41¢ → 100¢ | $10,000 | +$14,516 +145% | 6 |
| 41d | Al-F0nce | US Open ATP: Alexander Blockx vs Flavio Cobolli | BuyFlavio Cobolli63¢ → 0¢ | $1,428 | −$1,428 −100% | 6 |
| 41d | 13126052 | US Open ATP: Alexander Blockx vs Flavio Cobolli | BuyFlavio Cobolli62¢ → 0¢ | $1,240 | −$1,240 −100% | 6 |
| 41d | cryptokam9 | US Open ATP: Alexander Blockx vs Flavio Cobolli | BuyAlexander Blockx46¢ → 100¢ | $2,450 | +$2,876 +117% | 6 |
| 41d | Runemup2 fills | US Open ATP: Alexander Blockx vs Flavio Cobolli | BuyFlavio Cobolli58¢ → 0¢ | $12,013 | −$12,013 −100% | 6 |
| 41d | tyutgbhnm | US Open ATP: Alexander Blockx vs Flavio Cobolli | BuyFlavio Cobolli51¢ → 0¢ | $1,020 | −$1,020 −100% | 6 |
This market refers to the tennis match between Alexander Blockx and Flavio Cobolli in the US Open ATP, originally scheduled for September 4, 2026 at 11:00AM ET. This market will resolve to 'Alexander Blockx' if Alexander Blockx advances against Flavio Cobolli. This market will resolve to 'Flavio Cobolli' if Flavio Cobolli advances against Alexander Blockx. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 18, 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: Alexander Blockx vs Flavio Cobolli means the market gives it about 100%.