Guillermo Rivera Aranguiz defeated Federico Sansonetti 6-3 4-6 6-4 in the Argentina F2 round of 16 on clay. Guillermo Rivera Aranguiz extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-02-02 | Colombia F1 | R16 | clay | Guillermo Rivera Aranguiz | 6-2 6-3 |
| 2006-11-06 | Chile F3 | R32 | clay | Federico Sansonetti | 6-2 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.