Diego Junqueira defeated Damian Patriarca 6-4 6-3 in the Italy F27 qualifying round on clay. The upset overturned the form book — Damian Patriarca came in leading the head-to-head 4–2. Diego Junqueira narrowed the head-to-head to 4–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-07-23 | Kitzbuhel | Q16 | clay | Damian Patriarca | 7-6(4) 1-6 6-4 |
| 2005-07-04 | France F10 | SF | clay | Diego Junqueira | 6-7(5) 7-6(1) 6-0 |
| 2005-02-21 | Brazil F1 | R16 | hard | Damian Patriarca | 6-4 3-6 6-3 |
| 2004-08-30 | Argentina F4 | QF | clay | Damian Patriarca | 6-0 6-3 |
| 2004-08-02 | Chile F1A | QF | clay | Damian Patriarca | 7-5 6-1 |
| 2004-06-28 | Italy F14 | R32 | clay | Diego Junqueira | 6-7(4) 6-4 6-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.