Guillermo Nunez defeated Guillermo Rivera Aranguiz 7-5 6-1 in the Chile F12 round of 32 on clay. The result followed the form book — Guillermo Nunez came in leading the head-to-head 2–0. Guillermo Nunez extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-10-07 | Chile F6 | QF | clay | Guillermo Nunez | 6-4 6-4 |
| 2013-09-23 | Chile F4 | R16 | clay | Guillermo Nunez | 5-7 6-2 6-4 |
Averages over each player's completed matches in the selected window (1 vs 17). 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