Felipe Santamaria defeated Juan Carlos Sierra 6-3 7-6 in the Colombia F8 q32 on clay. The upset overturned the form book — Juan Carlos Sierra came in leading the head-to-head 1–0. Felipe Santamaria claimed a first win over Juan Carlos Sierra in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-06-29 | Colombia F4 | Q32 | hard | Juan Carlos Sierra | 7-6(3) 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.