Alex Knaff defeated Raphael Calzi 6-2 6-4 in the M15 Hong Kong 3 round of 16 on hard. Alex Knaff extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-06-29 | M25 Arlon 1 | R16 | clay | Alex Knaff | 6-2 6-1 |
| 2016-07-04 | Germany F6 | Q32 | clay | Raphael Calzi | 6-4 6-3 |
Averages over each player's completed matches in the selected window (117 vs 26). 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