| Singles | |
|---|---|
| 2005 Monte Carlo Masters | |
| 2004 Champion |
|
| Champion |
|
| Runner-up |
|
| Final score | 6–3, 6–1, 0–6, 7–5 |
Guillermo Coria was the defending champion but Rafael Nadal defeated him 6–3, 6–1, 0–6, 7–5 in the final. This was Nadal's first Masters Series title.