Jiahui Chen defeated Yidi Yang 6-0 3-6 10-7 in the W25 Shenzhen q16 on hard. The upset overturned the form book — Yidi Yang came in leading the head-to-head 1–0. Jiahui Chen claimed a first win over Yidi Yang in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-06-11 | W25 Hengyang | Q16 | hard | Yidi Yang | 6-3 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.