Horacio Zeballos defeated Brian Dabul 6-4 6-4 in the Argentina F8 qualifying round on clay. The upset overturned the form book — Brian Dabul came in leading the head-to-head 3–0. Horacio Zeballos claimed a first win over Brian Dabul in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-05-29 | Argentina F9 | SF | clay | Brian Dabul | 6-4 7-6(8) |
| 2005-09-26 | Colombia F5 | F | clay | Brian Dabul | 6-4 7-6(4) |
| 2003-08-18 | Argentina F1 | R32 | clay | Brian Dabul | 6-3 6-1 |
Averages over each player's completed matches in the selected window (200 vs 42). 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