Alexander Crnokrak defeated Krittin Koaykul 6-1 5-7 10-7 in the M15 Chiang Rai 3 q64 on hard. The result followed the form book — Alexander Crnokrak came in leading the head-to-head 1–0. Alexander Crnokrak extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-05-20 | M25 Nonthaburi 1 | Q32 | hard | Alexander Crnokrak | 6-1 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.