Guillermo Rivera Aranguiz defeated Gonzalo Lama 6-4 6-3 in the Chile F8 round of 32 on clay. The upset overturned the form book — Gonzalo Lama came in leading the head-to-head 2–0. Guillermo Rivera Aranguiz claimed a first win over Gonzalo Lama in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-10-12 | Chile F7 | QF | clay | Gonzalo Lama | 6-1 5-7 6-4 |
| 2013-06-24 | Netherlands F3 | R32 | clay | Gonzalo Lama | 6-4 6-2 |
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