Dayeon Back defeated Patcharin Cheapchadej 6-2 6-0 in the W15 Nakhon Si Thammarat 4 semi-final on hard. Dayeon Back extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-09-03 | W35 Nakhon Pathom 3 | R32 | hard | Dayeon Back | 5-7 6-0 6-0 |
| 2024-08-28 | W35 Nakhon Si Thammarat 3 | R32 | hard | Patcharin Cheapchadej | 6-3 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.