Marius Zay defeated Hector Ruiz Cadenas 7-6 6-2 in the Hungary F5 qualifying round on clay. The upset overturned the form book — Hector Ruiz Cadenas came in leading the head-to-head 1–0, but Marius Zay had been the form player, winning 3 of their last 8 on clay. Marius Zay claimed a first win over Hector Ruiz Cadenas in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-01-21 | Spain F3 | SF | clay | Hector Ruiz Cadenas | 6-1 7-5 |