Nicolas Gustavo Kauer defeated Juan Carlos Saez 1-6 6-3 6-2 in the Chile F1 round of 32 on clay. The upset overturned the form book — Juan Carlos Saez came in leading the head-to-head 1–0. Nicolas Gustavo Kauer claimed a first win over Juan Carlos Saez in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-11-01 | Chile F3 | R16 | clay | Juan Carlos Saez | 6-1 7-6(5) |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.