Ruben Merchan defeated German Puentes 7-5 6-1 in the Spain 2 4 round of 32 on clay. The upset overturned the form book — German Puentes came in leading the head-to-head 2–0, but Ruben Merchan had been the form player, winning 5 of their last 9 on clay. Ruben Merchan claimed a first win over German Puentes in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-04-04 | Turkey 1 3 | R16 | clay | German Puentes | 6-1 6-2 |
| 2002-10-14 | Spain 6 3 | R16 | clay | German Puentes | 6-2 6-3 |