Daiana Negreanu defeated Eduarda Piai 6-2 7-6 in the Sao Paulo 10K round of 16 on clay. The upset overturned the form book — Eduarda Piai came in leading the head-to-head 1–0. Daiana Negreanu claimed a first win over Eduarda Piai in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-07-01 | Sao Jose Do Rio Preto 25K | R16 | clay | Eduarda Piai | 6-4 6-4 |
Averages over each player's completed matches in the selected window (3 vs 52). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About