Pablo Galdon defeated Juan Francisco Spina 6-0 7-6 in the Argentina F17 round of 16 on clay. The upset overturned the form book — Juan Francisco Spina 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 |
|---|---|---|---|---|---|
| 2006-09-11 | Bolivia F1 | R32 | clay | Pablo Galdon | 6-2 7-6(5) |
| 2005-07-04 | Romania F10 | R16 | clay | Juan Francisco Spina | 6-2 6-3 |
| 2004-08-02 | Chile F1A | R32 | clay | Juan Francisco Spina | 6-3 3-6 6-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.