Illya Beloborodko defeated Alexander Cozbinov 7-6 6-1 in the M15 Sharm ElSheikh 9 round of 16 on hard. The upset overturned the form book — Alexander Cozbinov came in leading the head-to-head 1–0, but Illya Beloborodko had been the form player, winning 4 of their last 8 on hard. Illya Beloborodko claimed a first win over Alexander Cozbinov in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-01-31 | M15 St. Petersburg 1 | Q32 | hard | Alexander Cozbinov | 6-4 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.