Andres Artunedo Martinavarr defeated Ivan Arenas Gualda 7-6 6-1 in the Greece F2 quarter-final on hard. The upset overturned the form book — Ivan Arenas Gualda came in leading the head-to-head 2–0. Andres Artunedo Martinavarr claimed a first win over Ivan Arenas Gualda in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-05-14 | Spain F12 | R32 | clay | Ivan Arenas Gualda | 6-3 6-0 |
| 2011-08-22 | Spain F30 | QF | hard | Ivan Arenas Gualda | 7-6(3) 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.