| Men's doubles | |
|---|---|
| 2005 NASDAQ-100 Open | |
| Champions |  Jonas Björkman  Max Mirnyi |
| Runners-up |  Wayne Black Kevin Ullyett |
| Final score | 6–1, 6–2 |
Wayne Black and Kevin Ullyett were the defending champions, but lost in the final this year..
Jonas Björkman and Max Mirnyi won the title, defeating Black and Ullyett 6–1, 6–2 in the final.
Mark Knowles / 
Daniel Nestor (semifinals) Wayne Black / Kevin Ullyett (final) Jonas Björkman / Max Mirnyi (champions)
Bob Bryan / Mike Bryan (first round)
Mahesh Bhupathi / 
Todd Woodbridge (quarterfinals) Wayne Arthurs / Paul Hanley (first round) Leander Paes / 
Nenad Zimonjić (first round)
Martin Damm / Jared Palmer (first round)| Semifinals | Final | ||||||||||||
| 1 | Mark Knowles Daniel Nestor | 77 | 63 | 5 | |||||||||
| 3 | Jonas Björkman Max Mirnyi | 63 | 77 | 7 | |||||||||
| 3 | Jonas Björkman Max Mirnyi | 6 | 6 | ||||||||||
| 2 | Wayne Black Kevin Ullyett | 1 | 2 | ||||||||||
 Nikolay Davydenko  Dominik Hrbatý | 3 | 4 | |||||||||||
| 2 | Wayne Black Kevin Ullyett | 6 | 6 | ||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | M Knowles D Nestor | 6 | 6 | ||||||||||||||||||||||||
 J Benneteau  F González | 3 | 4 | 1 | M Knowles D Nestor | 4 | 6 | 6 | ||||||||||||||||||||
 L Arnold M Hood | 4 | 6 | 6 | L Arnold M Hood | 6 | 3 | 3 | ||||||||||||||||||||
| C Suk P Vízner | 6 | 1 | 4 | 1 | M Knowles D Nestor | 77 | 78 | ||||||||||||||||||||
 F López R Nadal | 6 | 6 | F López R Nadal | 63 | 66 | ||||||||||||||||||||||
| F Čermák L Friedl | 1 | 4 | F López R Nadal | 3 | 6 | 6 | |||||||||||||||||||||
J Gimelstob  G Rusedski | 6 | 2 | 711 | J Gimelstob G Rusedski | 6 | 2 | 4 | ||||||||||||||||||||
| 6 | W Arthurs P Hanley | 4 | 6 | 69 | 1 | M Knowles D Nestor | 77 | 63 | 5 | ||||||||||||||||||
| 3 | J Björkman M Mirnyi | 6 | 6 | 3 | J Björkman M Mirnyi | 63 | 77 | 7 | |||||||||||||||||||
| M García S Prieto | 3 | 4 | 3 | J Björkman M Mirnyi | 6 | 6 | |||||||||||||||||||||
| Alt | B Coupe J Morrison | 0 | 3 | A Fisher F Verdasco | 3 | 4 | |||||||||||||||||||||
| A Fisher F Verdasco | 6 | 6 | 3 | J Björkman M Mirnyi | 6 | 710 | |||||||||||||||||||||
| G Oliver T Parrott | 6 | 4 | 77 | 5 | M Bhupathi T Woodbridge | 4 | 68 | ||||||||||||||||||||
| WC | J Blake M Fish | 2 | 6 | 64 | G Oliver T Parrott | 3 | 4 | ||||||||||||||||||||
| J Novák D Rikl | 63 | 2 | 5 | M Bhupathi T Woodbridge | 6 | 6 | |||||||||||||||||||||
| 5 | M Bhupathi T Woodbridge | 6 | 77 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 8 | M Damm J Palmer | 4 | 2 | ||||||||||||||||||||||||
| G Cañas G Etlis | 6 | 6 | G Cañas G Etlis | 6 | 3 | 4 | |||||||||||||||||||||
| S Aspelin T Perry | 5 | 6 | 3 | N Davydenko D Hrbatý | 1 | 6 | 6 | ||||||||||||||||||||
| N Davydenko D Hrbatý | 7 | 1 | 6 | N Davydenko D Hrbatý | 3 | 7 | 6 | ||||||||||||||||||||
 Y Allegro  M Kohlmann | 3 | 3 | A Clément M Llodra | 6 | 5 | 3 | |||||||||||||||||||||
| J Kerr J Thomas | 6 | 6 | J Kerr J Thomas | 4 | 1 | ||||||||||||||||||||||
| A Clément M Llodra | 77 | 6 | A Clément M Llodra | 6 | 6 | ||||||||||||||||||||||
| 4 | B Bryan M Bryan | 64 | 3 | N Davydenko D Hrbatý | 3 | 4 | |||||||||||||||||||||
| 7 | L Paes N Zimonjić | 67 | 710 | 3 | 2 | W Black K Ullyett | 6 | 6 | |||||||||||||||||||
| WC | J Acasuso  N Lapentti | 79 | 68 | 6 | WC | J Acasuso N Lapentti | 61 | 2 | |||||||||||||||||||
 J Erlich A Ram | 65 | 6 | 6 | J Erlich A Ram | 77 | 6 | |||||||||||||||||||||
| Alt |  I Karlović F Mayer | 77 | 3 | 4 | J Erlich A Ram | 3 | 6 | 62 | |||||||||||||||||||
| T Johansson M Safin | 3 | 3 | 2 | W Black K Ullyett | 6 | 3 | 77 | ||||||||||||||||||||
| T Dent R Ginepri | 6 | 6 | T Dent R Ginepri | 3 | 79 | 5 | |||||||||||||||||||||
 J Knowle P Pála | 3 | 1 | 2 | W Black K Ullyett | 6 | 67 | 7 | ||||||||||||||||||||
| 2 | W Black K Ullyett | 6 | 6 | ||||||||||||||||||||||||
Xavier Malisse and Olivier Rochus were the defending champions, but lost in the third round against third seeds and eventual finalists Bob & Mike Bryan.
Michaël Llodra and Fabrice Santoro were the defending champions, but they lost in quarterfinals 6–7(2), 5–7, against Jonas Björkman and Max Mirnyi.
Wayne Black and Kevin Ullyett were the defending champions, but Black retired in 2006, and only Ullyett competed that year.
Ullyett partnered with Paul Hanley, but Bob Bryan and Mike Bryan defeated them 6–3, 7–5, in the final.
The 2004 Canada Masters doubles was an event of the one hundred and fifteenth edition of the Canada Masters; a WTA Tier I tournament and the most prestigious men's tennis tournament held in Canada. Mahesh Bhupathi and Max Mirnyi were the defending champions. They were both present but did not compete together. Mirnyi partnered with Jonas Björkman, but Bhupathi and partner Leander Paes defeated them 6–4, 6–2, in the final.
Mark Knowles and Daniel Nestor were the defending champions but lost in the quarterfinals to Roger Federer and Max Mirnyi.
Mark Knowles and Daniel Nestor were the defending champions but lost in the quarterfinals to Wayne Black and Kevin Ullyett.
Roger Federer and Max Mirnyi were the defending champions but only Mirnyi competed that year with Mahesh Bhupathi.
Mahesh Bhupathi and Max Mirnyi were the defending champions, but did not play together this year. Bhupathi partnered Jonas Björkman, losing in the final. Mirnyi partnered Marat Safin, withdrawing from the quarterfinals.
Jonas Björkman and Todd Woodbridge were the defending champions, but did not participate together this year. Björkman partnered Max Mirnyi, losing in the first round. Woodbridge retired from professional tennis earlier in the year.
Wayne Arthurs and Paul Hanley were the defending champions, but lost in the first round this year.
Bob Bryan and Mike Bryan were the defending champions, but lost in the semifinals this year.
Bob Bryan and Mike Bryan were the defending champions and successfully defended their title, defeating Jonas Björkman and Max Mirnyi 7–6(11–9), 7–6(7–4) in the final.
Mark Knowles and Daniel Nestor were the defending champions, but lost in the first round to Paul Goldstein and Jim Thomas.
Mahesh Bhupathi and Max Mirnyi were the defending champions, but lost in the quarterfinals to Michaël Llodra and Fabrice Santoro.
Wayne Black and Kevin Ullyett were the defending champions, but lost in the quarterfinals to Mahesh Bhupati and Max Mirnyi.
Mark Knowles and Daniel Nestor were the defending champions, but lost in Quarterfinals to Wayne Black and Kevin Ullyett.
Wayne Black and Kevin Ullyett were the defending champions, but lost in second round to Mario Ančić and Ivan Ljubičić.
Mark Knowles and Daniel Nestor were the defending champions, but lost in semifinals to Jonas Björkman and Max Mirnyi.
Mahesh Bhupathi and Max Mirnyi were the defending champions, but played this tournament with different partners. Bhupathi teamed up with Todd Woodbridge while Mirnyi teamed up with Jonas Björkman. Both pairs were eliminated in semifinals.
Mahesh Bhupathi and Max Mirnyi defeated defending champions Wayne Arthurs and Paul Hanley 2–6, 6–3, 6–4 in the final. It was the 34th title for Bhupathi and the 20th title for Mirnyi in their respective careers.