Guillermo Hormazabal advanced when Juan Francisco Spina retired 6-3 3-2 in the Chile F4 round of 32. Guillermo Hormazabal claimed a first win over Juan Francisco Spina in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-09-13 | Argentina F6 | R32 | clay | Juan Francisco Spina | 6-3 6-4 |