Lavinia Tanasie defeated S. V. Balan 6-2 3-6 6-2 in the W15 Bucharest 2 semi-final on clay. The upset overturned the form book — S. V. Balan came in ranked #878, leading the head-to-head 1–0. Lavinia Tanasie claimed a first win over S. V. Balan in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2026-06-24 | W15 Galati | R32 | clay | S. V. Balan | 3-6 5-7 |