Collin Altamirano defeated Kazuki Nishiwaki 5-7 6-2 6-3 in the Singapore F2 semi-final on hard. Collin Altamirano extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-09-22 | M25 Takasaki 1 | QF | hard | Collin Altamirano | 6-3 6-1 |
| 2023-09-06 | M25 Hong Kong 2 | R32 | hard | Kazuki Nishiwaki | 6-3 7-5 |
Averages over each player's completed matches in the selected window (180 vs 172). 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