Markos Kalovelonis defeated Dostanbek Tashbulatov 6-0 6-1 in the Kazakhstan F6 round of 16 on clay. The upset overturned the form book — Dostanbek Tashbulatov came in leading the head-to-head 1–0. Markos Kalovelonis claimed a first win over Dostanbek Tashbulatov in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-10-20 | M25 Nur-Sultan 2 | R32 | hard | Dostanbek Tashbulatov | 3-6 6-3 6-4 |
Averages over each player's completed matches in the selected window (185 vs 99). 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