Leandro Migani defeated Guillermo Rivera Aranguiz 6-4 6-1 in the Peru F1 semi-final on clay. The upset overturned the form book — Guillermo Rivera Aranguiz came in leading the head-to-head 2–0. Leandro Migani claimed a first win over Guillermo Rivera Aranguiz in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-03-12 | Argentina F3 | R32 | clay | Guillermo Rivera Aranguiz | 2-6 6-4 7-6(3) |
| 2012-02-20 | Chile F3 | R32 | clay | Guillermo Rivera Aranguiz | 6-4 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.