Guillermo Rivera Aranguiz defeated Alejandro Gonzalez 3-6 7-5 6-4 in the Colombia F3 semi-final on clay. The upset overturned the form book — Alejandro Gonzalez came in leading the head-to-head 1–0. Guillermo Rivera Aranguiz claimed a first win over Alejandro Gonzalez in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-08-29 | Colombia F5 | QF | clay | Alejandro Gonzalez | 1-6 6-4 3-0 |
Averages over each player's completed matches in the selected window (35 vs 200). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About