| Doubles | |
|---|---|
| 2005 Gerry Weber Open | |
| Champions |  Yves Allegro Roger Federer |
| Runners-up |  Joachim Johansson  Marat Safin |
| Score | 7–5, 6–7(6–8), 6–3 |
| Draw | 16 |
| Seeds | 4 |
Leander Paes and David Rikl were the defending champions, but chose not to participate that year.
Yves Allegro and Roger Federer won in the final 7–5, 6–7(6–8), 6–3, against Joachim Johansson and Marat Safin. Federer also won the singles title.
Mahesh Bhupathi / 
Todd Woodbridge (quarterfinals, retired)
Michaël Llodra / Fabrice Santoro (quarterfinals, withdrew)
Cyril Suk / Pavel Vízner (first round)
Jonathan Erlich / Andy Ram (first round)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | M Bhupathi T Woodbridge | 6 | 6 | ||||||||||||||||||||||||
 J Knowle J Melzer | 3 | 4 | 1 | M Bhupathi T Woodbridge | w/o | ||||||||||||||||||||||
 F López R Nadal | WC |  N Kiefer A Waske | |||||||||||||||||||||||||
| WC | N Kiefer A Waske | w/o | 1 | M Bhupathi T Woodbridge | 5 | r | |||||||||||||||||||||
| 4 | J Erlich A Ram | 3 | 3 | Y Allegro R Federer | 7 | ||||||||||||||||||||||
 G Cañas D Nalbandian | 6 | 6 | G Cañas D Nalbandian | ||||||||||||||||||||||||
M Damm  A Pavel | 3 | 7 | 3 | Y Allegro R Federer | w/o | ||||||||||||||||||||||
| Y Allegro R Federer | 6 | 5 | 6 | Y Allegro R Federer | 7 | 66 | 6 | ||||||||||||||||||||
| J Johansson M Safin | 6 | 6 | J Johansson M Safin | 5 | 78 | 3 | |||||||||||||||||||||
| ALT |  A Seppi U Vico | 2 | 4 | J Johansson M Safin | 7 | 77 | |||||||||||||||||||||
T Haas  N Zimonjić | 77 | 6 | T Haas N Zimonjić | 5 | 62 | ||||||||||||||||||||||
| 3 | C Suk P Vízner | 65 | 3 | J Johansson M Safin | w/o | ||||||||||||||||||||||
| J Novák P Pála | 77 | 6 | J Novák P Pála | ||||||||||||||||||||||||
 C Rochus O Rochus | 61 | 2 | J Novák P Pála | w/o | |||||||||||||||||||||||
| WC | M Kohlmann R Schüttler | 4 | 4 | 2 | M Llodra F Santoro | ||||||||||||||||||||||
| 2 | M Llodra F Santoro | 6 | 6 | ||||||||||||||||||||||||
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