Guillermo Rivera Aranguiz defeated Nicolas Gustavo Kauer 6-3 6-2 in the Chile F5 round of 16 on clay. The result followed the form book — Guillermo Rivera Aranguiz came in leading the head-to-head 4–0. Guillermo Rivera Aranguiz extended the head-to-head to 5–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-04-29 | Chile F3 | R32 | clay | Guillermo Rivera Aranguiz | 6-1 6-1 |
| 2012-10-08 | Chile F8 | QF | clay | Guillermo Rivera Aranguiz | 6-1 6-1 |
| 2011-06-20 | Chile F4 | SF | clay | Guillermo Rivera Aranguiz | 6-3 6-3 |
| 2010-11-08 | Chile F4 | R32 | clay | Guillermo Rivera Aranguiz | 7-6(2) 7-6(5) |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.