Tomohiro Masabayashi defeated Chak Lam Coleman Wong 7-5 6-4 in the M15 Monastir 30 q16 on hard. The upset overturned the form book — Chak Lam Coleman Wong came in leading the head-to-head 2–0. Tomohiro Masabayashi claimed a first win over Chak Lam Coleman Wong in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2022-11-01 | M25 Jakarta 2 | R32 | hard | Chak Lam Coleman Wong | 6-3 7-6(8) |
| 2022-10-06 | M25 Tay Ninh 2 | R16 | hard | Chak Lam Coleman Wong | 6-3 6-0 |
Averages over each player's completed matches in the selected window (15 vs 1). 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