2005 Gerry Weber Open – Singles
| Singles | |
|---|---|
| 2005 Gerry Weber Open | |
| Champion | Roger Federer |
| Runner-up | Marat Safin |
| Score | 6–4, 6–7(6–8), 6–4 |
| Draw | 32 |
| Seeds | 8 |
Roger Federer was the two-time defending champion, and won in the final 6–4, 6–7(6–8), 6–4, against Marat Safin. With this victory, Federer equalled Yevgeny Kafelnikov's record for three singles titles in Halle; and he became the first to win three consecutive singles titles at the tournament. Federer also won the doubles title, partnering Yves Allegro.