Patricio Heras defeated Facundo Arguello 7-5 6-0 in the Argentina F3 round of 32 on clay. The upset overturned the form book — Facundo Arguello came in leading the head-to-head 2–0. Patricio Heras claimed a first win over Facundo Arguello in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-10-25 | Argentina F21 | QF | clay | Facundo Arguello | 6-1 6-7(5) 6-1 |
| 2010-05-03 | Argentina F5 | F | clay | Facundo Arguello | 6-2 6-1 |
Averages over each player's completed matches in the selected window (59 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