Monika Mastalirova defeated Jorgelina Torti 6-4 7-6 in the Rio de Janeiro 10K round of 32 on clay. The upset overturned the form book — Jorgelina Torti came in leading the head-to-head 1–0. Monika Mastalirova claimed a first win over Jorgelina Torti in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1997-08-25 | Guayaquil 10K | R32 | clay | Jorgelina Torti | 6-2 6-2 |