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Paper trading
Trading is closed with the Joao Fonseca side last at 50%; no result has been reported.
The high was 78.5% on 24 Apr 2026 and the low 76.5% on 23 Apr 2026.
$65.3K has traded since listing.
The largest Joao Fonseca position is Small-Gray with 90 shares; the largest Marin Cilic position is kosmitis with 9.
Polymarket record as of Apr 25, 11:07 PM UTC
Daily closes of the Joao Fonseca price, Polymarket CLOB, 2 points, 23 Apr 2026 – 24 Apr 2026, chart shows 72%–84%
| Observed | Joao Fonseca price |
|---|---|
| 23 Apr 2026 | 76.5% |
| 24 Apr 2026 | 78.5% |
The ten largest positions on Polymarket's public holder list.
| Trader | Outcome | Shares |
|---|---|---|
| Small-Gray | Joao Fonseca | 90 |
| Quixotic-Baboon | Joao Fonseca | 38.64 |
| kosmitis | Marin Cilic | 8.88 |
| Indigo Scout 9D3E | Joao Fonseca | 1.91 |
| Roasted-Tailor | Joao Fonseca | 0.02 |
| Jade Voyager 72EF | Marin Cilic | 0.02 |
| Tehgameguy | Marin Cilic | 0.01 |
| hessian | Joao Fonseca | 0.01 |
Every wallet's public record, and 80,000 ranked by lifetime P&L: Polymarket leaderboard
This market refers to the tennis match between Joao Fonseca and Marin Cilic in the Madrid Open, originally scheduled for April 24, 2026 at 5:00AM ET. This market will resolve to 'Joao Fonseca' if Joao Fonseca advances against Marin Cilic. This market will resolve to 'Marin Cilic' if Marin Cilic advances against Joao Fonseca. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, 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.
Resolution source: https://www.atptour.com/en/scores/current
Official listing: polymarket.com/event/atp-fonseca-cilic-2026-04-24
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