Karolina Nowak defeated Nathalia Rossi 3-6 7-5 7-5 in the Benin City 10K round of 16 on hard. The result followed the form book — Karolina Nowak came in leading the head-to-head 1–0. Karolina Nowak extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-04-25 | Sao Paulo 10K | SF | clay | Karolina Nowak | 2-6 7-5 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.