Kresimir Ritz defeated Mislav Hizak 6-2 6-7 6-4 in the Bosnia & Herzegovina F3 round of 32 on clay. The upset overturned the form book — Mislav Hizak came in leading the head-to-head 1–0. Kresimir Ritz claimed a first win over Mislav Hizak in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-08-16 | Croatia F4 | R16 | clay | Mislav Hizak | 6-2 4-6 6-4 |