Kuan Yi Lee defeated Cheng Yu Yu 6-4 6-2 in the Thailand F4 semi-final on hard. The result followed the form book — Kuan Yi Lee came in leading the head-to-head 2–1. Kuan Yi Lee extended the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-08-28 | M15 Hua Hin 2 | R32 | hard | Kuan Yi Lee | 2-6 6-2 7-6(6) |
| 2017-08-07 | Thailand F5 | R16 | hard | Kuan Yi Lee | 2-2 |
| 2016-06-06 | Hong Kong F1 | QF | hard | Cheng Yu Yu | 7-6(2) 6-2 |
Averages over each player's completed matches in the selected window (162 vs 55). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About