Nicolas Santos defeated Federico Delbonis 6-4 6-2 in the Panama F1 round of 16 on clay. The upset overturned the form book — Federico Delbonis came in leading the head-to-head 1–0, but Nicolas Santos had been the form player, winning 5 of their last 8 on clay. Nicolas Santos claimed a first win over Federico Delbonis in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-01-26 | Guatemala F1 | F | hard | Federico Delbonis | 6-3 6-4 |
Averages over each player's completed matches in the selected window (56 vs 200). 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