Alexander Zgirovsky defeated Gabriel Donev 6-2 3-6 10-8 in the M15 Novomoskovsk 2 round of 32 on clay. The upset overturned the form book — Gabriel Donev came in leading the head-to-head 1–0. Alexander Zgirovsky claimed a first win over Gabriel Donev in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-05-25 | M15 Novomoskovsk 1 | Q16 | clay | Gabriel Donev | 6-4 6-2 |
Averages over each player's completed matches in the selected window (13 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