Pablo Galdon defeated Juan Manuel Valverde 6-3 6-3 in the Argentina F11 qualifying round on clay. The upset overturned the form book — Juan Manuel Valverde came in leading the head-to-head 2–1. Pablo Galdon narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-11-16 | Argentina F24 | QF | clay | Juan Manuel Valverde | 0-6 6-4 6-2 |
| 2009-11-09 | Argentina F23 FUTURES | QF | clay | Juan Manuel Valverde | 6-4 7-6(6) |
| 2008-05-12 | Argentina F2 | R16 | clay | Pablo Galdon | 6-1 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.