Sabrina Valenti defeated Adrienn Hegedus 6-2 6-2 in the Rio de Janeiro 10K semi-final on clay. The upset overturned the form book — Adrienn Hegedus came in leading the head-to-head 1–0. Sabrina Valenti claimed a first win over Adrienn Hegedus in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-05-27 | Salzburg 10K | R16 | clay | Adrienn Hegedus | 6-0 7-6 |