Borut Puc defeated Nicolas Gustavo Kauer 2-6 6-2 6-3 in the Chile F13 round of 16 on clay. The upset overturned the form book — Nicolas Gustavo Kauer came in leading the head-to-head 1–0, but Borut Puc had been the form player, winning 1 of their last 5 on clay. Borut Puc claimed a first win over Nicolas Gustavo Kauer in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-12-03 | Chile F14 | R32 | clay | Nicolas Gustavo Kauer | 1-6 5-1 |