Alibek Kachmazov defeated Alexey Zakharov 7-6 6-7 6-3 in the Chengdu qualifying round 1 on hard. Alibek Kachmazov extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-03-13 | M15 Kazan 1 | SF | hard | Alexey Zakharov | 7-5 6-3 |
| 2021-02-07 | M15 St. Petersburg 1 | F | hard | Alibek Kachmazov | 6-4 5-7 6-4 |
Averages over each player's completed matches in the selected window (180 vs 96). 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