Iris Khanna defeated Marcella Koek 7-5 7-6 in the Zell Am Harmersbach 10K round of 16 on clay. The upset overturned the form book — Marcella Koek came in leading the head-to-head 1–0, but Iris Khanna had been the form player, winning 4 of their last 10 on clay. Iris Khanna claimed a first win over Marcella Koek in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-06-21 | Rotterdam 10K | R16 | clay | Marcella Koek | 4-6 7-5 6-1 |