Martin Cuevas defeated Nicolas Pastor 6-1 2-6 6-2 in the Argentina F1 round of 32 on clay. The upset overturned the form book — Nicolas Pastor came in leading the head-to-head 1–0. Martin Cuevas claimed a first win over Nicolas Pastor in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-05-31 | Argentina F7 | R16 | clay | Nicolas Pastor | 7-6(5) 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.