| Doubles | |
|---|---|
| 2001 RCA Championships | |
| Champions |  Mark Knowles  Brian MacPhie |
| Runners-up |  Mahesh Bhupathi  Sébastien Lareau |
| Final score | 7–6(7–5), 5–7, 6–4 |
Lleyton Hewitt and Sandon Stolle were the defending champions but only Stolle competed that year with Max Mirnyi.
Mirnyi and Stolle lost in the quarterfinals to Mark Knowles and Brian MacPhie.
Knowles and MacPhie won in the final 7–6(7–5), 5–7, 6–4 against Mahesh Bhupathi and Sébastien Lareau.
The top four seeded teams received byes into the second round.
Jonas Björkman / 
Todd Woodbridge (quarterfinals)
Max Mirnyi / Sandon Stolle (quarterfinals)
Ellis Ferreira / Rick Leach (quarterfinals) Joshua Eagle / Andrew Florent (second round) Mark Knowles / Brian MacPhie (champions)
Leoš Friedl / Petr Pála (first round) Chris Haggard / 
Tom Vanhoudt (semifinals) Mahesh Bhupathi / Sébastien Lareau (final)| Semifinals | Final | ||||||||||||
| 8 | 3 | 6 | 77 | ||||||||||
| 6 | 4 | 65 | |||||||||||
| 8 | 65 | 7 | 4 | ||||||||||
| 5 | 77 | 5 | 6 | ||||||||||
| 7 | 6 | 3 | 0 | ||||||||||
| 5 | 2 | 6 | 6 | ||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | 6 | 77 | |||||||||||||||||||||||||
| 65 | 1 | 1 | 65 | ||||||||||||||||||||||||
| 77 | 6 | 1 | 4 | 6 | 1 | ||||||||||||||||||||||
| 3 | 4 | 8 | 6 | 3 | 6 | ||||||||||||||||||||||
J Blake  N Zimonjić | 6 | 6 | J Blake N Zimonjić | 4 | 2 | ||||||||||||||||||||||
| WC | 4 | 6 | 4 | 8 | 6 | 6 | |||||||||||||||||||||
| 8 | 6 | 2 | 6 | 8 | 3 | 6 | 77 | ||||||||||||||||||||
| 6 | 4 | 65 | |||||||||||||||||||||||||
| 4 | 3 | 2 | |||||||||||||||||||||||||
| 78 | 7 | 6 | 6 | ||||||||||||||||||||||||
| 66 | 5 | 6 | |||||||||||||||||||||||||
| 3 | 6 | 6 | 3 | r | |||||||||||||||||||||||
| 6 | 1 | 2 | 6 | 77 | |||||||||||||||||||||||
| 3 | 6 | 6 | 3 | 64 | |||||||||||||||||||||||
| 6 | 6 | 4 | 2 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 7 | 3 | 6 | 6 | ||||||||||||||||||||||||
| 6 | 4 | 0 | 7 | 6 | 6 | ||||||||||||||||||||||
| 6 | 6 | 1 | 3 | ||||||||||||||||||||||||
| WC | 4 | 1 | 7 | 77 | 6 | ||||||||||||||||||||||
| 6 | 6 | 3 | 63 | 3 | |||||||||||||||||||||||
| WC | 1 | 3 | 4 | 2 | |||||||||||||||||||||||
| 3 | 6 | 6 | |||||||||||||||||||||||||
| 7 | 6 | 3 | 0 | ||||||||||||||||||||||||
| 5 | 6 | 6 | 5 | 2 | 6 | 6 | |||||||||||||||||||||
| 1 | 4 | 5 | 64 | 77 | 6 | ||||||||||||||||||||||
| 65 | 6 | 6 | 77 | 64 | 3 | ||||||||||||||||||||||
| WC | 77 | 3 | 2 | 5 | 77 | 6 | |||||||||||||||||||||
| WC | 6 | 77 | 2 | 64 | 4 | ||||||||||||||||||||||
| WC | 4 | 64 | WC | 65 | 65 | ||||||||||||||||||||||
| 2 | 77 | 77 | |||||||||||||||||||||||||
Sandon Stolle and Cyril Suk were the defending champions, but Stolle competed with Wayne Black, while Suk competed with Donald Johnson this year. Suk and Johnson were defeated by Stolle and Black in the third round, while Stolle and Black were defeated by Andrei Olhovskiy and David Prinosil in the quarterfinals.
The 2001 Canada Masters doubles was the men's doubles event of the one hundred and twelfth edition of the Canada Masters; a WTA Tier I tournament and the most prestigious men's tennis tournament held in Canada. Sébastien Lareau and Daniel Nestor were the defending champions but they competed with different partners that year, Lareau with Justin Gimelstob and Nestor with Sandon Stolle. Gimelstob and Lareau lost in the first round to Mark Knowles and Brian MacPhie, as did Nestor and Stolle to Jan-Michael Gambill and Simon Larose. Jiří Novák and David Rikl won in the final 6–4, 3–6, 6–3 against Donald Johnson and Jared Palmer.
Paul Haarhuis and Jared Palmer were the defending champions, but chose not to participate that year.
Mark Philippoussis and Patrick Rafter were the defending champions but they competed with different partners that year, Philippoussis with Goran Ivanišević and Rafter with Jonas Björkman.
Sébastien Lareau and Alex O'Brien won in the final 6–3, 7–6(7–3) against Todd Woodbridge and Mark Woodforde.
Jacco Eltingh and Paul Haarhuis were the defending champions, but Eltingh did not compete this year. Haarhuis competed with American Jared Palmer as the seventh seed, but they were eliminated in the second round by Javier Sánchez and Jan Siemerink.
Alex O'Brien and Jared Palmer were the defending champions but they competed with different partners that year, O'Brien with Sébastien Lareau and Palmer with Byron Black.
Todd Woodbridge and Mark Woodforde were the defending champions but only Woodbridge competed that year with Jonas Björkman.
Jiří Novák and David Rikl were the defending champions but lost in the second round to Chris Haggard and Tom Vanhoudt.
Mahesh Bhupathi and Leander Paes were the defending champions but they competed with different partners that year, Bhupathi with Max Mirnyi and Paes with Michael Hill.
Mark Knowles and Brian MacPhie were the defending champions but they competed with different partners that year, Knowles with Daniel Nestor and MacPhie with Nenad Zimonjić.
Mark Knowles and Daniel Nestor won in the final 6–3, 7–5, 6–0 against Mahesh Bhupathi and Max Mirnyi.
Ellis Ferreira and Rick Leach were the defending champions but they competed with different partners that year, Ferreira with Pavel Vízner and Leach with Brian MacPhie.
Wayne Black and Kevin Ullyett were the defending champions, but lost in the quarterfinals to Mahesh Bhupati and Max Mirnyi.
Donald Johnson and Jared Palmer were the defending champions, but lost in the semifinals to Jonas Björkman and Todd Woodbridge.
Todd Woodbridge and Mark Woodforde were the defending champions, but Woodforde had retired from the tour. Woodbridge partnered with Jonas Björkman but lost in the third round to Bob and Mike Bryan.
Mahesh Bhupathi and Leander Paes were the defending champions, but did not participate together. Paes played with Tomáš Cibulec but they lost in the semifinals to Mark Knowles and Daniel Nestor. Bhupathi partnered with Max Mirnyi but they lost in semifinals to Paul Haarhuis and Yevgeny Kafelnikov.
The 2001 US Open was held between August 27 – September 9, 2001. It was the final Grand Slam event of 2001.
Todd Woodbridge and Mark Woodforde were the defending champion, but lost in the quarterfinals to Saša Hiršzon and Goran Ivanišević.
Patrick Galbraith and Paul Haarhuis were the defending champions, but Haarhuis did not compete this year. Galbraith teamed up with Ellis Ferreira and lost in second round to Trevor Kronemann and David Macpherson.
