Elyne Boeykens defeated Marcella Koek 6-4 6-1 in the Maaseik 10K round of 32 on clay. The upset overturned the form book — Marcella Koek came in leading the head-to-head 1–0, but Elyne Boeykens had been the form player, winning 4 of their last 8 on clay. Elyne Boeykens claimed a first win over Marcella Koek in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-06-14 | Alkmaar 10K | R16 | clay | Marcella Koek | 6-1 4-6 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.