David Marrero defeated Ruben Merchan 6-4 6-2 in the Spain F10 round of 16 on hard. The upset overturned the form book — Ruben Merchan came in leading the head-to-head 1–0. David Marrero 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 | R16 | clay | Ruben Merchan | 6-4 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.