Andoni Vivanco Guzman defeated Pablo Santos 7-6 4-6 6-1 in the Spain F13 qualifying round on clay. The upset overturned the form book — Pablo Santos came in leading the head-to-head 1–0. Andoni Vivanco Guzman claimed a first win over Pablo Santos in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-01-24 | Spain F3 | R16 | clay | Pablo Santos | 6-4 7-5 |