---
title: "Masamichi Imamura vs Yun Seong Chung"
canonical_url: https://betcrypto.now/events/masamichi-imamura-vs-yun-seong-chung
status: settled
kickoff_at: 2026-09-08T02:00:00+00:00
trading_closes_at: 2026-09-15T02:00:00+00:00
settled_at: 2026-09-08T06:10:30+00:00
total_volume_usd: 603.05
venues: ["Polymarket", "Polymarket US"]
categories: ["Sports", "Tennis"]
prices_as_of: 2026-10-09T09:12:09+00:00
publisher: BetCrypto
data_api: https://betcrypto.now/api/v1/events/masamichi-imamura-vs-yun-seong-chung
---

# Masamichi Imamura vs Yun Seong Chung

Settled · kickoff 2026-09-08 02:00 UTC · $603 traded · listed on Polymarket, Polymarket US

## Result

**Yun Seong Chung** won. Settled 2026-09-08.

## About

This market refers to the tennis match between Masamichi Imamura and Yun Seong Chung in the M25 Sapporo, Main Draw, originally scheduled for September 7, 2026 at 10:00PM ET.

This market will resolve to 'Masamichi Imamura' if Masamichi Imamura advances against Yun Seong Chung.

This market will resolve to 'Yun Seong Chung' if Yun Seong Chung advances against Masamichi Imamura.

If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 21, 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: Masamichi Imamura vs Yun Seong Chung Set 1 Winner — 2 outcomes
- M25 Sapporo: Masamichi Imamura vs Yun Seong Chung Set 2 Winner — 2 outcomes
- M25 Sapporo: Masamichi Imamura vs Yun Seong Chung Total Sets: O/U 2.5 — 2 outcomes
- M25 Sapporo: Masamichi Imamura vs Yun Seong Chung Set 1 O/U 8.5 — 2 outcomes
- M25 Sapporo: Masamichi Imamura vs Yun Seong Chung Set 1 O/U 9.5 — 2 outcomes
- M25 Sapporo: Masamichi Imamura vs Yun Seong Chung Set 1 O/U 10.5 — 2 outcomes
- M25 Sapporo: Masamichi Imamura vs Yun Seong Chung Set 2 O/U 8.5 — 2 outcomes
- M25 Sapporo: Masamichi Imamura vs Yun Seong Chung Set 2 O/U 9.5 — 2 outcomes
- M25 Sapporo: Masamichi Imamura vs Yun Seong Chung 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: Masamichi Imamura vs Yun Seong Chung Set Handicap +/-1.5 — 2 outcomes
- M25 Sapporo: Masamichi Imamura vs Yun Seong Chung 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/462385?via=md)
- [Polymarket US](https://betcrypto.now/go/e/462427?via=md)

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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/masamichi-imamura-vs-yun-seong-chung.

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