David Perez Sanz defeated Andoni Vivanco Guzman 6-3 7-5 in the Spain F24 round of 32 on clay. The upset overturned the form book — Andoni Vivanco Guzman came in leading the head-to-head 2–0. David Perez Sanz claimed a first win over Andoni Vivanco Guzman in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-07-08 | Spain F21 | R16 | clay | Andoni Vivanco Guzman | 3-6 6-2 6-4 |
| 2013-03-18 | Spain F7 | R32 | carpet | Andoni Vivanco Guzman | 7-6(4) 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.