Ruben Merchan defeated Israel Vior Diaz 2-6 6-4 6-4 in the Spain 2 4 round of 32 on clay. The upset overturned the form book — Israel Vior Diaz came in leading the head-to-head 1–0, but Ruben Merchan had been the form player, winning 5 of their last 10 on clay. Ruben Merchan claimed a first win over Israel Vior Diaz in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-02-28 | Spain 2 3 | R32 | clay | Israel Vior Diaz | 6-1 6-4 |