Natthasith Kunsuwan defeated Pruchya Isarow 6-1 6-4 in the M15 Nakhon Si Thammarat 1 round of 32 on hard. The upset overturned the form book — Pruchya Isarow came in leading the head-to-head 3–0, but Natthasith Kunsuwan had been the form player, winning 4 of their last 10 on hard. Natthasith Kunsuwan claimed a first win over Pruchya Isarow in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-06-14 | M25 Nakhon Si Thammarat 1 | R32 | hard | Pruchya Isarow | 6-1 6-4 |
| 2022-10-26 | M15 Al Zahra 1 | R32 | hard | Pruchya Isarow | 7-6(4) 6-3 |
| 2022-06-07 | M25 Chiang Rai 2 | R32 | hard | Pruchya Isarow | 6-4 3-6 6-2 |
Averages over each player's completed matches in the selected window (1 vs 2). 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. Small sample — read as indicative. About