Mislav Hizak defeated Vladimir Obradovic 6-2 6-2 in the Croatia F6 qualifying round on clay. The upset overturned the form book — Vladimir Obradovic came in leading the head-to-head 2–0, but Mislav Hizak had been the form player, winning 3 of their last 7 on clay. Mislav Hizak claimed a first win over Vladimir Obradovic in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-08-06 | Serbia F8 | R32 | clay | Vladimir Obradovic | 6-4 7-5 |
| 2010-06-28 | Serbia F3 | SF | clay | Vladimir Obradovic | 7-6(2) 6-4 |