Lucia Krzelj defeated Sandra Martinovic 6-4 7-5 in the Makarska 10K round of 16 on clay. The upset overturned the form book — Sandra Martinovic came in leading the head-to-head 1–0, but Lucia Krzelj had been the form player, winning 5 of their last 9 on clay. Lucia Krzelj claimed a first win over Sandra Martinovic in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-07-24 | Horb 10K | QF | clay | Sandra Martinovic | 6-0 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.