Natthayut Nithithananont defeated Teerapat Khantiweerawat 6-4 6-4 in the M25 Chiang Rai 1 qualifying round of 32 on hard. The upset overturned the form book — Teerapat Khantiweerawat came in leading the head-to-head 1–0. Natthayut Nithithananont claimed a first win over Teerapat Khantiweerawat in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-11-23 | M15 Phan Thiet 1 | Q64 | hard | Teerapat Khantiweerawat | 6-2 7-6(5) |
Averages over each player's completed matches in the selected window (48 vs 30). ATP, WTA & Challenger.
wins 57% of points on serve vs Nithithananont N.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About