Daniel Koellerer defeated Andrey Golubev 6-3 3-6 6-3 in the Zagreb round of 32 on hard. The upset overturned the form book — Andrey Golubev came in leading the head-to-head 1–0. Daniel Koellerer claimed a first win over Andrey Golubev in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-04-05 | Casablanca | R32 | clay | Andrey Golubev | 6-2 7-6 |
Averages over each player's completed matches in the selected window (12 vs 200). 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