Mikhail Kukushkin defeated Jan Hajek 6-4 6-7 7-6 6-0 in the CZE vs KAZ round robin on hard. The upset overturned the form book — Jan Hajek came in leading the head-to-head 2–0. Mikhail Kukushkin claimed a first win over Jan Hajek in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-04-21 | Barcelona | Q16 | clay | Jan Hajek | 6-3 6-7(4) 6-2 |
| 2013-04-05 | Davis Cup WG QF: KAZ vs CZE | RR | clay | Jan Hajek | 6-3 6-2 6-4 |
Averages over each player's completed matches in the selected window (198 vs 69). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About