Alexander Donski defeated Mykyta Mashtakov 6-3 7-6 in the M15 Sozopol 1 quarter-final on hard. Alexander Donski extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-08-01 | M15 Telavi 3 | R16 | clay | Alexander Donski | 7-6(5) 6-0 |
| 2019-07-18 | M15 Parnu 1 | R16 | clay | Mykyta Mashtakov | 7-5 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.