Dejan Katic defeated Vladimir Obradovic 6-7 6-4 7-5 in the Serbia & Montenegro F4 round of 16 on clay. The upset overturned the form book — Vladimir Obradovic came in leading the head-to-head 2–0, but Dejan Katic had been the form player, winning 4 of their last 8 on clay. Dejan Katic claimed a first win over Vladimir Obradovic in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-06-14 | Serbia F1 | R16 | clay | Vladimir Obradovic | 6-4 7-6(1) |
| 2009-08-17 | Serbia F7 | QF | clay | Vladimir Obradovic | 6-3 3-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.