Sofia Luini defeated Noelia Zeballos 6-2 6-2 in the Asuncion 10K round of 32 on clay. The upset overturned the form book — Noelia Zeballos came in leading the head-to-head 1–0. Sofia Luini claimed a first win over Noelia Zeballos in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-08-15 | La Paz 10K | R32 | clay | Noelia Zeballos | 6-3 7-6(4) |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.