Guillermo Hormazabal defeated Gaston Arturo Grimolizzi 6-2 6-1 in the Chile F5 semi-final on clay. The result followed the form book — Guillermo Hormazabal came in leading the head-to-head 2–1. Guillermo Hormazabal extended the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-04-22 | Italy F5 | R32 | clay | Guillermo Hormazabal | 6-1 7-5 |
| 2010-11-01 | Chile F3 | R16 | clay | Gaston Arturo Grimolizzi | 6-7(3) 6-4 6-4 |
| 2007-11-12 | Chile F5 | F | clay | Guillermo Hormazabal | 6-0 6-4 |
Averages over each player's completed matches in the selected window (1 vs 2). 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. Small sample — read as indicative. About