Leo Vithoontien defeated Krittin Koaykul 6-4 6-4 in the M15 Nakhon Si Thammarat 2 qualifying round of 32 on hard. The result followed the form book — Leo Vithoontien came in ranked #704, leading the head-to-head 2–0. Leo Vithoontien extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-10-30 | M15 Hua Hin 2 | R16 | hard | Leo Vithoontien | 6-1 6-1 |
| 2024-02-25 | M15 Nakhon Si Thammarat 3 | Q32 | hard | Leo Vithoontien | 6-2 6-7(5) 11-9 |
Averages over each player's completed matches in the selected window (119 vs 37). 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