Kuan Yi Lee advanced when Cheng Yu Yu retired 2-2 in the Thailand F5 round of 16. Kuan Yi Lee extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-07-31 | Thailand F4 | SF | hard | Kuan Yi Lee | 6-4 6-2 |
| 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 (32 vs 11). 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