---
title: "Mei Yamaguchi vs Dayeon Back"
canonical_url: https://betcrypto.now/events/mei-yamaguchi-vs-dayeon-back
status: settled
kickoff_at: 2026-09-01T02:00:00+00:00
trading_closes_at: 2026-09-01T23:59:00+00:00
settled_at: 2026-09-01T04:04:13+00:00
total_volume_usd: 42122.2
venues: ["Azuro", "Polymarket", "Polymarket US"]
categories: ["Sports", "Tennis"]
prices_as_of: 2026-10-09T14:41:52+00:00
publisher: BetCrypto
data_api: https://betcrypto.now/api/v1/events/mei-yamaguchi-vs-dayeon-back
---

# Mei Yamaguchi vs Dayeon Back

Settled · kickoff 2026-09-01 02:00 UTC · $42,122 traded · listed on Azuro, Polymarket, Polymarket US

## Result

**Mei Yamaguchi** won. Settled 2026-09-01.

## About

This market refers to the tennis match between Mei Yamaguchi and Dayeon Back in the W75 Tianjin, Main Draw, originally scheduled for August 31, 2026 at 10:00PM ET.

This market will resolve to 'Mei Yamaguchi' if Mei Yamaguchi advances against Dayeon Back.

This market will resolve to 'Dayeon Back' if Dayeon Back advances against Mei Yamaguchi.

If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 14, 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

- Total O/U 9.5 — 2 outcomes
- Total O/U 19.5 — 2 outcomes
- Handicap 4.5 — 2 outcomes
- Total O/U 23.5 — 2 outcomes
- W75 Tianjin: Mei Yamaguchi vs Dayeon Back Set 2 O/U 10.5 — 2 outcomes
- W75 Tianjin: Mei Yamaguchi vs Dayeon Back Set 2 O/U 9.5 — 2 outcomes
- W75 Tianjin: Mei Yamaguchi vs Dayeon Back Set 1 O/U 9.5 — 2 outcomes
- W75 Tianjin: Mei Yamaguchi vs Dayeon Back Set Handicap +/-1.5 — 2 outcomes
- W75 Tianjin: Mei Yamaguchi vs Dayeon Back Set 1 Winner — 2 outcomes
- Total O/U 22.5 — 2 outcomes
- W75 Tianjin: Mei Yamaguchi vs Dayeon Back Set 2 O/U 8.5 — 2 outcomes
- W75 Tianjin: Mei Yamaguchi vs Dayeon Back Total Sets: O/U 2.5 — 2 outcomes
- W75 Tianjin: Mei Yamaguchi vs Dayeon Back Set 2 Winner — 2 outcomes
- W75 Tianjin: Mei Yamaguchi vs Dayeon Back Set Handicap +/-1.5 — 2 outcomes
- W75 Tianjin: Mei Yamaguchi vs Dayeon Back Set 1 O/U 8.5 — 2 outcomes
- W75 Tianjin: Mei Yamaguchi vs Dayeon Back Set 1 O/U 10.5 — 2 outcomes
- Completed Match — 2 outcomes
- Total O/U 21 — 2 outcomes
- Total O/U 10 — 2 outcomes
- Handicap 2.5 — 2 outcomes
- Total Games Odd/Even — 2 outcomes
- 1st Set: Total Games — 2 outcomes
- 1st Set: Total Games — 2 outcomes
- 1st Set: Winner — 2 outcomes
- Total O/U 20.5 — 2 outcomes
- Handicap -1.5 — 2 outcomes
- Total O/U 2.5 — 2 outcomes
- Total O/U 22 — 2 outcomes
- Total O/U 21.5 — 4 outcomes
- Handicap 2 — 2 outcomes
- Handicap 3 — 2 outcomes
- Handicap 4 — 2 outcomes
- Handicap 3.5 — 2 outcomes
- Handicap 1.5 — 2 outcomes
- Total O/U 12 — 2 outcomes
- Total O/U 12.5 — 2 outcomes
- Total O/U 11 — 2 outcomes
- Total O/U 10.5 — 2 outcomes
- Total O/U 11.5 — 2 outcomes
- Total O/U 20 — 2 outcomes

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

## Open on a venue

- [Azuro](https://betcrypto.now/go/e/400029?via=md)
- [Polymarket](https://betcrypto.now/go/e/398818?via=md)
- [Polymarket US](https://betcrypto.now/go/e/397218?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/mei-yamaguchi-vs-dayeon-back.

BetCrypto is an odds-comparison and information service. It accepts no wagers and gives no betting or financial advice; prediction-market availability depends on where you live.