Guillermo Nunez defeated Gonzalo Lama 4-6 7-6 6-3 in the Chile F4 semi-final on clay. The upset overturned the form book — Gonzalo Lama came in leading the head-to-head 2–0, but Guillermo Nunez had been the form player, winning 4 of their last 5 on clay. Guillermo Nunez claimed a first win over Gonzalo Lama in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2014-12-22 | Chile F12 | R32 | clay | Gonzalo Lama | 6-3 6-4 |
| 2013-04-15 | Chile F1 | SF | clay | Gonzalo Lama | 6-2 6-4 |
Averages over each player's completed matches in the selected window (3 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