Yidi Yang defeated Jiahui Chen 6-3 6-1 in the W25 Hengyang q16 on hard. The upset overturned the form book — Jiahui Chen came in leading the head-to-head 1–0, but Yidi Yang had been the form player, winning 7 of their last 10 on hard. Yidi Yang claimed a first win over Jiahui Chen in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-06-04 | W25 Shenzhen | Q16 | hard | Jiahui Chen | 6-0 3-6 10-7 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.