Costanza Mecchi defeated Stefania Rubini 6-2 6-3 in the Tlemcen 10K round of 32 on clay. The upset overturned the form book — Stefania Rubini came in leading the head-to-head 1–0. Costanza Mecchi claimed a first win over Stefania Rubini in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-02-13 | Rabat 25K | Q16 | clay | Stefania Rubini | 6-3 4-6 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.