Andrey Golubev defeated Daniel Koellerer 6-2 7-6 in the Casablanca round of 32 on clay. The upset overturned the form book — Daniel Koellerer came in leading the head-to-head 1–0, defending last year's round of 32. Andrey Golubev claimed a first win over Daniel Koellerer in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-02-01 | Zagreb | R32 | hard | Daniel Koellerer | 6-3 3-6 6-3 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (200 vs 13). ATP, WTA & Challenger.