Patcharin Cheapchadej defeated Natsuho Arakawa 6-3 6-3 in the W15 Nakhon Si Thammarat 2 quarter-final on hard. The result followed the form book — Patcharin Cheapchadej came in leading the head-to-head 2–0. Patcharin Cheapchadej extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-11-12 | W15 Hua Hin 1 | R32 | hard | Patcharin Cheapchadej | 6-3 6-1 |
| 2023-05-30 | W25 Nakhon Si Thammarat | R32 | hard | Patcharin Cheapchadej | 7-6(4) 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.