| Singles | |
|---|---|
| 2005 Hamburg Masters | |
| 2004 Champion |
|
| Champion |
|
| Runner-up |
|
| Final score | 6–3, 7–5, 7–6(7–4) |
Roger Federer was the defending champion and successfully defended the title, defeating Richard Gasquet in the final, 6–3, 7–5, 7–6(7–4)
A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated.