Brian Dabul defeated Damian Patriarca 3-6 7-5 6-2 in the Chile 1 3 qualifying round on clay. The upset overturned the form book — Damian Patriarca came in leading the head-to-head 2–1. Brian Dabul narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-05-15 | Argentina F7 | F | clay | Damian Patriarca | 6-3 6-1 |
| 2005-04-18 | Chile F3 | F | clay | Damian Patriarca | 3-6 6-3 6-1 |
| 2004-03-08 | Chile 1 4 | SF | clay | Brian Dabul | 6-4 7-5 |
Averages over each player's completed matches in the selected window (42 vs 1). 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. Small sample — read as indicative. About