Lisa Tognetti defeated Frederica Piedade 0-6 7-6 7-6 in the Mallorca 4 10K round of 16 on clay. The upset overturned the form book — Frederica Piedade came in leading the head-to-head 1–0. Lisa Tognetti claimed a first win over Frederica Piedade in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-03-10 | Cairo 2 10K | R16 | clay | Frederica Piedade | 6-4 4-6 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.