| Doubles | |
|---|---|
| 2005 BMW Open | |
| Champions |  Mario Ančić  Julian Knowle |
| Runners-up |  Florian Mayer Alexander Waske |
| Score | 6–3, 1–6, 6–3 |
James Blake and Mark Merklein were the defending champions, but did not participate this year.
Mario Ančić and Julian Knowle won in the final 6–3, 1–6, 6–3, against Florian Mayer and Alexander Waske.
Cyril Suk / Pavel Vízner (quarterfinals) Martin Damm / 
Mariano Hood (first round)
Jonathan Erlich / Andy Ram (first round)
Yves Allegro / Michael Kohlmann (quarterfinals)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | C Suk P Vízner | 4 | 6 | 7 | |||||||||||||||||||||||
 J Kerr S Prieto | 6 | 4 | 5 | 1 | C Suk P Vízner | 1 | 6 | 3 | |||||||||||||||||||
| WC |  A Pavel G Trifu | 6 | 4 | 6 | WC | A Pavel G Trifu | 6 | 4 | 6 | ||||||||||||||||||
| WC | L Burgsmüller T Summerer | 0 | 6 | 1 | WC | A Pavel G Trifu | 5 | r | |||||||||||||||||||
| 3 | J Erlich A Ram | 78 | 65 | 3 | M Ančić J Knowle | 7 | |||||||||||||||||||||
| M Ančić J Knowle | 66 | 77 | 6 | M Ančić J Knowle | 6 | 1 | 6 | ||||||||||||||||||||
 G Oliver J Palmer | 77 | 6 | G Oliver J Palmer | 3 | 6 | 2 | |||||||||||||||||||||
 I Andreev  P Srichaphan | 63 | 4 | M Ančić J Knowle | 6 | 1 | 6 | |||||||||||||||||||||
| F Mayer A Waske | w/o | F Mayer A Waske | 3 | 6 | 3 | ||||||||||||||||||||||
| J Acasuso J Mónaco | F Mayer A Waske | 6 | 1 | 7 | |||||||||||||||||||||||
 C Haggard  R Mello | 3 | 2 | 4 | Y Allegro M Kohlmann | 4 | 6 | 5 | ||||||||||||||||||||
| 4 | Y Allegro M Kohlmann | 6 | 6 | F Mayer A Waske | 611 | 77 | 7 | ||||||||||||||||||||
| W Arthurs P Luczak | 77 | 6 |  J Nieminen R Schüttler | 713 | 65 | 5 | |||||||||||||||||||||
R Koenig  U Vico | 64 | 3 | W Arthurs P Luczak | 64 | 4 | ||||||||||||||||||||||
| J Nieminen R Schüttler | 77 | 3 | 6 | J Nieminen R Schüttler | 77 | 6 | |||||||||||||||||||||
| 2 | M Damm M Hood | 65 | 6 | 2 | |||||||||||||||||||||||
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