Gioia Barbieri defeated Valentina Sulpizio 6-2 7-5 in the San Severo 10K round of 32 on clay. The upset overturned the form book — Valentina Sulpizio came in leading the head-to-head 1–0, but Gioia Barbieri had been the form player, winning 3 of their last 5 on clay. Gioia Barbieri claimed a first win over Valentina Sulpizio in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-10-05 | Foggia 10K | R16 | clay | Valentina Sulpizio | 6-0 6-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.