Ke Ren defeated Unknown Player 6-3 6-4 in the W50 Fuzhou 1 q16 on hard. The upset overturned the form book — Unknown Player came in leading the head-to-head 2–0. Ke Ren claimed a first win over Unknown Player in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-04-07 | W15 Wuning 1 | Q16 | hard | Unknown Player | 6-3 6-4 |
| 2023-06-28 | W15 Tianjin 3 | R32 | hard | Unknown Player | 6-2 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.