Victor Estrella defeated Guillermo Rivera Aranguiz 7-5 6-7 7-6 in the Colombia F1 qualifying round on clay. The upset overturned the form book — Guillermo Rivera Aranguiz came in leading the head-to-head 1–0. Victor Estrella claimed a first win over Guillermo Rivera Aranguiz in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-08-16 | Colombia F1 | SF | clay | Guillermo Rivera Aranguiz | 3-6 6-1 6-1 |
Averages over each player's completed matches in the selected window (200 vs 35). 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