Wissam Abderrahman defeated Credit Chaiyarin 6-3 3-6 7-6 in the M15 Monastir 37 round of 32 on hard. The upset overturned the form book — Credit Chaiyarin came in ranked #1523, leading the head-to-head 1–0, but Wissam Abderrahman had been the form player, winning 6 of their last 10 on hard. Wissam Abderrahman claimed a first win over Credit Chaiyarin in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-07-11 | M15 Monastir 26 | Q64 | hard | Credit Chaiyarin | 6-4 6-4 |
Averages over each player's completed matches in the selected window (1 vs 17). 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