Juan Francisco Spina defeated Guillermo Hormazabal 6-3 6-4 in the Argentina F6 round of 32 on clay. The upset overturned the form book — Guillermo Hormazabal came in leading the head-to-head 1–0, but Juan Francisco Spina had been the form player, winning 3 of their last 8 on clay. Juan Francisco Spina claimed a first win over Guillermo Hormazabal in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-11-05 | Chile F4 | R32 | clay | Guillermo Hormazabal | 6-3 3-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.