Unknown Player defeated Ke Ren 7-6 6-2 in the W15 Tianjin 1 q16 on hard. The upset overturned the form book — Ke Ren came in leading the head-to-head 1–0, but Unknown Player had been the form player, winning 5 of their last 10 on hard. Unknown Player claimed a first win over Ke Ren in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-06-26 | W15 Tianjin 3 | Q32 | hard | Ke Ren | 6-4 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.