Anca Barna defeated Sandra Cacic 7-6 7-5 in the Largo Challenger round of 32 on hard. The upset overturned the form book — Sandra Cacic came in leading the head-to-head 1–0. Anca Barna claimed a first win over Sandra Cacic in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-05-10 | Berlin | R64 | grass | Sandra Cacic | 7-6 6-7 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.