Mariana Diaz Oliva defeated Adriana Gersi 6-4 5-7 6-4 in the Australian Open round of 128 on hard. Mariana Diaz Oliva extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2001-07-23 | Sopot | R16 | clay | Mariana Diaz Oliva | 7-5 6-3 |
| 1997-05-05 | Rome | R64 | clay | Adriana Gersi | 7-5 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.