Maximiliano Estevez defeated Guillermo Rivera Aranguiz 6-1 3-6 6-3 in the Santiago CH round of 16 on clay. The upset overturned the form book — Guillermo Rivera Aranguiz came in leading the head-to-head 1–0, defending last year's round of 32. Maximiliano Estevez 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 |
|---|---|---|---|---|---|
| 2010-06-14 | Argentina F9 | F | clay | Guillermo Rivera Aranguiz | 6-3 3-6 6-3 |
Averages over each player's completed matches in the selected window (130 vs 29). 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