Gustavo Guerses defeated Nicolas Gustavo Kauer 6-3 3-6 7-6 in the Chile F1 round of 32 on clay. Gustavo Guerses extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-10-29 | Chile 11 | QF | clay | Gustavo Guerses | 6-0 7-6(0) |
| 2012-09-17 | Brazil F26 | R32 | clay | Nicolas Gustavo Kauer | 6-3 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.