Guillermo Rivera Aranguiz defeated Jorge Montero 6-1 1-6 6-0 in the Chile F7 qualifying round on clay. The upset overturned the form book — Jorge Montero came in leading the head-to-head 3–1. Guillermo Rivera Aranguiz narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2014-12-15 | Chile F11 | QF | clay | Jorge Montero | 6-2 6-2 |
| 2014-10-13 | Chile F6 | R16 | clay | Jorge Montero | 6-3 4-1 |
| 2013-04-22 | Chile F2 | R32 | clay | Jorge Montero | 2-6 7-6(3) 6-4 |
| 2010-10-18 | Chile F1 | R16 | clay | Guillermo Rivera Aranguiz | 6-0 6-2 |
Averages over each player's completed matches in the selected window (35 vs 57). 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