Guillermo Rivera Aranguiz defeated Ivan Miranda 6-7 7-6 6-3 in the Chile F1 semi-final on clay. The upset overturned the form book — Ivan Miranda came in leading the head-to-head 1–0. Guillermo Rivera Aranguiz claimed a first win over Ivan Miranda in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-10-19 | Chile F3 | SF | clay | Ivan Miranda | 6-7(1) 6-1 2-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.