Dayeon Back defeated Ya Hsuan Lee 7-5 6-2 in the W35 Changwon round of 16 on hard. Dayeon Back extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-05-15 | W35 Changwon 1 | R16 | hard | Dayeon Back | 7-5 6-2 |
| 2023-06-06 | W25 Daegu | R32 | hard | Ya Hsuan Lee | 6-3 4-6 7-5 |
Averages over each player's completed matches in the selected window (156 vs 53). 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