David Marrero defeated Alberto Soriano 4-6 6-3 7-6 in the Portugal 2 4 round of 32 on clay. The upset overturned the form book — Alberto Soriano came in leading the head-to-head 2–1. David Marrero narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-03-01 | Spain 2 1 | R32 | clay | David Marrero | 6-3 6-4 |
| 2003-08-25 | Spain F20 | R16 | clay | Alberto Soriano | 6-4 6-3 |
| 2002-07-15 | Portugal 2 1 | R32 | clay | Alberto Soriano | 6-3 3-6 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.