Guillermo Hormazabal defeated Nicolas Gustavo Kauer 7-6 6-4 in the Chile F7 round of 32 on clay. The result followed the form book — Guillermo Hormazabal came in leading the head-to-head 3–0. Guillermo Hormazabal extended the head-to-head to 4–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-10-31 | Chile F11 | QF | clay | Guillermo Hormazabal | 6-2 6-2 |
| 2010-12-06 | Chile F8 | R32 | clay | Guillermo Hormazabal | 6-4 4-6 6-0 |
| 2010-10-18 | Chile F1 | R16 | clay | Guillermo Hormazabal | 6-4 6-1 |