Hector Ruiz Cadenas defeated David Marrero 7-5 4-6 6-3 in the Spain F9 qualifying round on clay. The upset overturned the form book — David Marrero came in leading the head-to-head 6–1. Hector Ruiz Cadenas narrowed the head-to-head to 6–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-02-12 | Spain F6 | R32 | clay | David Marrero | 6-4 6-4 |
| 2007-01-15 | Spain F2 | QF | clay | David Marrero | 6-4 3-6 7-6(4) |
| 2005-05-09 | Spain F7 | R32 | clay | David Marrero | 6-2 4-6 6-3 |
| 2005-01-03 | Spain 1 Satellite 2 | R16 | clay | David Marrero | 6-3 6-1 |
| 2004-11-22 | Spain F32 | QF | clay | David Marrero | 6-1 7-6(5) |
| 2004-11-01 | Spain F30 | R32 | clay | David Marrero | 7-5 6-3 |
| 2004-07-19 | Spain F15 | QF | clay | Hector Ruiz Cadenas | 6-3 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.