Nina Henkel defeated Sandra Martinovic 7-6 7-6 in the Castel Gandolfo 10K round of 16 on clay. The upset overturned the form book — Sandra Martinovic came in leading the head-to-head 1–0, but Nina Henkel had been the form player, winning 3 of their last 8 on clay. Nina Henkel claimed a first win over Sandra Martinovic in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-07-10 | Garching 10K | R16 | clay | Sandra Martinovic | 6-2 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.