Juan Manuel Valverde defeated Pablo Galdon 0-6 6-4 6-2 in the Argentina F24 qualifying round on clay. The upset overturned the form book — Pablo Galdon came in leading the head-to-head 2–1, but Juan Manuel Valverde had been the form player, winning 5 of their last 10 on clay. Juan Manuel Valverde narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-06-28 | Argentina F11 | QF | clay | Pablo Galdon | 6-3 6-3 |
| 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.