Petra Mokra defeated Marcella Koek 5-7 6-4 6-4 in the Pretoria 10K round of 32 on hard. The upset overturned the form book — Marcella Koek came in leading the head-to-head 1–0. Petra Mokra claimed a first win over Marcella Koek in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-05-14 | Michalovce 10K | R32 | clay | Marcella Koek | 6-2 2-6 6-3 |