Pablo Santos defeated Andoni Vivanco Guzman 6-4 7-5 in the Spain F3 round of 16 on clay. The upset overturned the form book — Andoni Vivanco Guzman came in leading the head-to-head 1–0. Pablo Santos claimed a first win over Andoni Vivanco Guzman in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-04-19 | Spain F13 | QF | clay | Andoni Vivanco Guzman | 7-6(3) 4-6 6-1 |