---
title: "Keisuke Saitoh vs Kokoro Isomura"
canonical_url: https://betcrypto.now/events/keisuke-saitoh-vs-kokoro-isomura
status: settled
kickoff_at: 2026-09-09T01:00:00+00:00
trading_closes_at: 2026-09-09T23:59:00+00:00
settled_at: 2026-09-09T03:18:03+00:00
total_volume_usd: 2620.47
venues: ["Polymarket", "Polymarket US"]
categories: ["Sports", "Tennis"]
prices_as_of: 2026-10-09T18:03:57+00:00
publisher: BetCrypto
data_api: https://betcrypto.now/api/v1/events/keisuke-saitoh-vs-kokoro-isomura
---

# Keisuke Saitoh vs Kokoro Isomura

Settled · kickoff 2026-09-09 01:00 UTC · $2,620 traded · listed on Polymarket, Polymarket US

## Result

**Keisuke Saitoh** won. Settled 2026-09-09.

## About

This market refers to the tennis match between Keisuke Saitoh and Kokoro Isomura in the M25 Sapporo, Main Draw, originally scheduled for September 8, 2026 at 9:00PM ET.

This market will resolve to 'Keisuke Saitoh' if Keisuke Saitoh advances against Kokoro Isomura.

This market will resolve to 'Kokoro Isomura' if Kokoro Isomura advances against Keisuke Saitoh.

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 International Tennis Federation (ITF). A consensus of credible reporting may also be used.

_From Polymarket's listing._

## Other markets

- Completed Match — 2 outcomes
- M25 Sapporo: Keisuke Saitoh vs Kokoro Isomura Set 1 Winner — 2 outcomes
- M25 Sapporo: Keisuke Saitoh vs Kokoro Isomura Set 2 Winner — 2 outcomes
- M25 Sapporo: Keisuke Saitoh vs Kokoro Isomura Total Sets: O/U 2.5 — 2 outcomes
- M25 Sapporo: Keisuke Saitoh vs Kokoro Isomura Set 1 O/U 8.5 — 2 outcomes
- M25 Sapporo: Keisuke Saitoh vs Kokoro Isomura Set 1 O/U 9.5 — 2 outcomes
- M25 Sapporo: Keisuke Saitoh vs Kokoro Isomura Set 1 O/U 10.5 — 2 outcomes
- M25 Sapporo: Keisuke Saitoh vs Kokoro Isomura Set 2 O/U 8.5 — 2 outcomes
- M25 Sapporo: Keisuke Saitoh vs Kokoro Isomura Set 2 O/U 9.5 — 2 outcomes
- M25 Sapporo: Keisuke Saitoh vs Kokoro Isomura Set 2 O/U 10.5 — 2 outcomes
- Total O/U 21.5 — 2 outcomes
- Total O/U 22.5 — 2 outcomes
- Total O/U 23.5 — 2 outcomes
- M25 Sapporo: Keisuke Saitoh vs Kokoro Isomura Set Handicap +/-1.5 — 2 outcomes
- M25 Sapporo: Keisuke Saitoh vs Kokoro Isomura Set Handicap +/-1.5 — 2 outcomes

_Every market's prices are on the event page._

## Open on a venue

- [Polymarket](https://betcrypto.now/go/e/473857?via=md)
- [Polymarket US](https://betcrypto.now/go/e/472638?via=md)

---

Probability is the cross-venue consensus (book midpoints, 0–100%). Venue columns are what buying costs there (the ask). Prices move constantly; re-check at the canonical URL or https://betcrypto.now/api/v1/events/keisuke-saitoh-vs-kokoro-isomura.

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