Marc Fornell Mestres defeated Oscar Sabate Bretos 6-4 6-4 in the Spain F36 round of 32 on clay. The upset overturned the form book — Oscar Sabate Bretos came in leading the head-to-head 1–0. Marc Fornell Mestres claimed a first win over Oscar Sabate Bretos in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-11-01 | Spain F39 | QF | clay | Oscar Sabate Bretos | 7-6(5) 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.