Ivan Cinkus defeated Kresimir Ritz 6-4 3-6 6-3 in the Greece F6 round of 32 on hard. The upset overturned the form book — Kresimir Ritz came in leading the head-to-head 1–0. Ivan Cinkus claimed a first win over Kresimir Ritz in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-08-28 | Croatia F5 | R32 | clay | Kresimir Ritz | 5-7 6-3 6-1 |