Masa Zec Peskiric defeated Rossana De Los Rios 6-1 6-3 in the Marseille 100K round of 16 on clay. The upset overturned the form book — Rossana De Los Rios came in leading the head-to-head 3–0. Masa Zec Peskiric claimed a first win over Rossana De Los Rios in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-03-08 | Indian Wells | Q64 | hard | Rossana De Los Rios | 6-3 6-1 |
| 2010-02-15 | Bogota | R32 | clay | Rossana De Los Rios | 6-4 6-1 |
| 2009-09-21 | Saint Malo 100K | R16 | clay | Rossana De Los Rios | 6-1 6-1 |
Averages over each player's completed matches in the selected window (18 vs 27). 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