---
title: "Kazuma Kawachi vs Hiromasa Koyama"
canonical_url: https://betcrypto.now/events/kazuma-kawachi-vs-hiromasa-koyama
status: settled
kickoff_at: 2026-08-16T01:30:00+00:00
trading_closes_at: 2026-08-23T01:30:00+00:00
settled_at: 2026-08-16T05:35:12+00:00
total_volume_usd: 708.6
venues: ["Polymarket"]
categories: ["Sports", "Tennis"]
prices_as_of: 2026-10-09T08:20:35+00:00
publisher: BetCrypto
data_api: https://betcrypto.now/api/v1/events/kazuma-kawachi-vs-hiromasa-koyama
---

# Kazuma Kawachi vs Hiromasa Koyama

Settled · kickoff 2026-08-16 01:30 UTC · $709 traded · listed on Polymarket

## Result

**Hiromasa Koyama** won. Settled 2026-08-16.

## About

This market refers to the tennis match between Kazuma Kawachi and Hiromasa Koyama in the ITF M25 Taipei Men, Qualifying, originally scheduled for August 15, 2026 at 9:30PM ET.

This market will resolve to 'Kazuma Kawachi' if Kazuma Kawachi advances against Hiromasa Koyama.

This market will resolve to 'Hiromasa Koyama' if Hiromasa Koyama advances against Kazuma Kawachi.

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.

_From Polymarket's listing._

## Other markets

- Completed Match — 2 outcomes
- ITF M25 Taipei Men: Kazuma Kawachi vs Hiromasa Koyama Set 2 Winner — 2 outcomes
- Total O/U 8.5 — 2 outcomes
- Total O/U 21.5 — 2 outcomes
- Total O/U 2.5 — 2 outcomes
- ITF M25 Taipei Men: Kazuma Kawachi vs Hiromasa Koyama Set 1 Winner — 2 outcomes
- Spread -1.5 — 2 outcomes
- Total O/U 9.5 — 2 outcomes
- Total O/U 22.5 — 2 outcomes
- Total O/U 10.5 — 2 outcomes
- Total O/U 23.5 — 2 outcomes

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

## Open on a venue

- [Polymarket](https://betcrypto.now/go/e/259079?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/kazuma-kawachi-vs-hiromasa-koyama.

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