
Resolved Ying Zhang on 25 Jun 2026.
$5.94K traded over the market's life.
17 wallets still hold shares. Winners redeem theirs after settlement, so what is left is mostly the losing side.
Polymarket record as of Jun 26, 5:34 AM UTC
Daily closes of the Rira Kosaka price, Polymarket CLOB, 1 point, 25 Jun 2026, chart shows 15%–30%
| Observed | Rira Kosaka price |
|---|---|
| 25 Jun 2026 | 24.5% |
Winners have redeemed their shares, so most of what is left is the losing side.
| Trader | Outcome | Shares |
|---|---|---|
| Vigilant-Environment | Rira Kosaka | 235 |
| jackinv1lvl2 | Rira Kosaka | 167.76 |
| imake1mil | Rira Kosaka | 152 |
| reghergh | Rira Kosaka | 140.16 |
| EZpoly-TT-TXMeng01 | Rira Kosaka | 105 |
| ezq-gk-7 | Rira Kosaka | 75 |
| baseinv3 | Rira Kosaka | 55 |
| Aristophanelius | Rira Kosaka | 54 |
| Demetrianthos | Rira Kosaka | 54 |
| mr-yang | Rira Kosaka | 30 |
Open a trader’s name to inspect the wallet’s available P&L, positions and recorded trades, with source dates and coverage. A large position alone does not establish a winning track record.
This market refers to the tennis match between Rira Kosaka and Ying Zhang in the ITF Women Sapporo, originally scheduled for June 24, 2026 at 10:00PM ET. This market will resolve to 'Rira Kosaka' if Rira Kosaka advances against Ying Zhang. This market will resolve to 'Ying Zhang' if Ying Zhang advances against Rira Kosaka. 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 International Tennis Federation (ITF). A consensus of credible reporting may also be used.
Resolution source: https://www.itftennis.com/en/tournament-calendar/
Official listing: polymarket.com/event/itf-kosaka-zha-2026-06-25
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