Georg Novak defeated David Novak 6-2 7-5 in the Croatia F4 round of 32 on clay. The upset overturned the form book — David Novak came in leading the head-to-head 1–0, but Georg Novak had been the form player, winning 3 of their last 8 on clay. Georg Novak claimed a first win over David Novak in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-08-29 | Hungary F5 | R32 | clay | David Novak | 6-1 6-1 |