Claudio Grassi defeated Rafael Arevalo 6-2 7-6 in the Guatemala F1 round of 32 on hard. The upset overturned the form book — Rafael Arevalo came in leading the head-to-head 1–0, but Claudio Grassi had been the form player, winning 4 of their last 7 on hard. Claudio Grassi claimed a first win over Rafael Arevalo in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-02-09 | Panama F1 | F | clay | Rafael Arevalo | 7-5 6-2 |
Averages over each player's completed matches in the selected window (7 vs 4). 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