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