Guillermo Rivera Aranguiz defeated Federico Zeballos 6-2 3-6 6-4 in the Chile F5 round of 16 on clay. The result followed the form book — Guillermo Rivera Aranguiz came in leading the head-to-head 2–0. Guillermo Rivera Aranguiz extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-10-26 | Chile F4 | R32 | clay | Guillermo Rivera Aranguiz | 6-2 6-2 |
| 2009-10-19 | Chile F3 | R32 | clay | Guillermo Rivera Aranguiz | 7-5 6-4 |
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