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Resolved Yes on 20 May 2026.
$281.88 traded over the market's life.
Polymarket record as of May 21, 5:06 AM UTC
Daily closes of the Yes price, Polymarket CLOB, 1 point, 20 May 2026, chart shows 40%–55%
| Observed | Yes price |
|---|---|
| 20 May 2026 | 49.5% |
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This market refers to the tennis match between Natsumi Kawaguchi and Sayaka Ishii in the ITF Women Takasaki, originally scheduled for May 19, 2026 at 10:00PM ET. This market will resolve to 'Natsumi Kawaguchi' if Natsumi Kawaguchi advances against Sayaka Ishii. This market will resolve to 'Sayaka Ishii' if Sayaka Ishii advances against Natsumi Kawaguchi. 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-kawaguc-ishii-2026-05-20
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