Tatiana Bua defeated Catalina Pella 6-3 6-3 in the Rosario 10K round of 16 on clay. The upset overturned the form book — Catalina Pella came in leading the head-to-head 2–1. Tatiana Bua narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-04-11 | Cordoba 10K | SF | clay | Catalina Pella | 7-5 6-3 |
| 2011-02-07 | Buenos Aires 10K | R16 | clay | Catalina Pella | 6-4 5-7 6-2 |
| 2010-06-21 | Buenos Aires 10K | R32 | clay | Tatiana Bua | 7-5 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.