Unknown Player defeated Xinxin Yao 6-4 1-6 6-3 in the W15 Maanshan 9 quarter-final on hard. The upset overturned the form book — Xinxin Yao came in leading the head-to-head 2–0. Unknown Player claimed a first win over Xinxin Yao in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2024-07-17 | W35 Tianjin 2 | R32 | hard | Xinxin Yao | 7-5 6-2 |
| 2023-06-16 | W15 Tianjin 1 | QF | hard | Xinxin Yao | 3-6 7-6(8) 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.