Miguel Angel Lopez Jaen defeated Marcelo Palacios Siegenthale 6-3 6-4 in the Spain F27 round of 16 on clay. The upset overturned the form book — Marcelo Palacios Siegenthale came in leading the head-to-head 1–0. Miguel Angel Lopez Jaen claimed a first win over Marcelo Palacios Siegenthale in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-03-21 | Spain F9 | R32 | clay | Marcelo Palacios Siegenthale | 2-6 6-4 6-3 |