Dimitar Grabuloski defeated Adam Kellner 1-6 5-7 6-4 6-4 6-2 in the HUN vs MKD round robin on clay. The upset overturned the form book — Adam Kellner came in leading the head-to-head 1–0. Dimitar Grabuloski claimed a first win over Adam Kellner in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-08-11 | Serbia F4 | R32 | clay | Adam Kellner | 6-3 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.