Liana Gabriela Ungur defeated Monica Mastan 6-0 6-0 in the Constanta 10K qualifying round on clay. The upset overturned the form book — Monica Mastan came in leading the head-to-head 1–0, but Liana Gabriela Ungur had been the form player, winning 7 of their last 10 on clay. Liana Gabriela Ungur claimed a first win over Monica Mastan in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2001-08-27 | Bucharest 2 10K | R32 | clay | Monica Mastan | 6-3 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.