Sandra Martinovic defeated Nina Henkel 6-2 6-4 in the Garching 10K round of 16 on clay. The upset overturned the form book — Nina Henkel came in leading the head-to-head 1–0. Sandra Martinovic claimed a first win over Nina Henkel in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-10-11 | Castel Gandolfo 10K | R16 | clay | Nina Henkel | 7-6(6) 7-6(4) |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.