Kinnie Laisne defeated Marcella Koek 3-6 6-4 6-4 in the Vila Real De Santo Antonio 10K qualifying round on clay. The upset overturned the form book — Marcella Koek came in leading the head-to-head 1–0, but Kinnie Laisne had been the form player, winning 3 of their last 6 on clay. Kinnie Laisne claimed a first win over Marcella Koek in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-03-02 | Giza 10K | R32 | clay | Marcella Koek | 7-6(6) 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.