| Doubles | |
|---|---|
| 1999 Gerry Weber Open | |
| Champions |  Jonas Björkman  Patrick Rafter |
| Runners-up |  Paul Haarhuis  Jared Palmer |
| Score | 6–3, 7–5 |
| Draw | 16 |
| Seeds | 4 |
Ellis Ferreira and Rick Leach were the defending champions, but Leach did not participate this year. Ferreira partnered Nicklas Kulti, losing in the quarterfinals.
Jonas Björkman and Patrick Rafter won the title, defeating Paul Haarhuis and Jared Palmer 6–3, 7–5 in the final.
Jonas Björkman / Patrick Rafter (champions) Paul Haarhuis / Jared Palmer (final)
David Adams / John-Laffnie de Jager (quarterfinals)
Jiří Novák / David Rikl (first round)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | J Björkman P Rafter | 5 | 6 | 6 | |||||||||||||||||||||||
| Q |  K Braasch F Stauder | 7 | 3 | 4 | 1 | J Björkman P Rafter | 6 | 2 | 6 | ||||||||||||||||||
| E Ferreira N Kulti | 6 | 6 | 6 | E Ferreira N Kulti | 4 | 6 | 4 | ||||||||||||||||||||
| WC | N Kiefer J Siemerink | 3 | 7 | 3 | 1 | J Björkman P Rafter | 6 | 7 | |||||||||||||||||||
| 4 | J Novák D Rikl | 3 | 5 | D Prinosil D Vacek | 4 | 5 | |||||||||||||||||||||
| D Prinosil D Vacek | 6 | 7 | D Prinosil D Vacek | 6 | 7 | ||||||||||||||||||||||
| A Florent D Macpherson | 6 | 6 | 6 | A Florent D Macpherson | 3 | 6 | |||||||||||||||||||||
| WC | T Haas R Krajicek | 7 | 4 | 2 | 1 | J Björkman P Rafter | 6 | 7 | |||||||||||||||||||
| P Galbraith J Gimelstob | 6 | 5 | 3 | 2 | P Haarhuis J Palmer | 3 | 5 | ||||||||||||||||||||
| R Reneberg J Stark | 3 | 7 | 6 | R Reneberg J Stark | 7 | 6 | 7 | ||||||||||||||||||||
| C Haggard R Koenig | 1 | 2 | 3 | D Adams J-L de Jager | 5 | 7 | 6 | ||||||||||||||||||||
| 3 | D Adams J-L de Jager | 6 | 6 | R Reneberg J Stark | 4 | 6 | |||||||||||||||||||||
 A Kitinov P Nyborg | 6 | 6 | 6 | 2 | P Haarhuis J Palmer | 6 | 7 | ||||||||||||||||||||
| WC | H Dreekmann R Schüttler | 7 | 2 | 2 | A Kitinov P Nyborg | 4 | 2 | ||||||||||||||||||||
P Norval  K Ullyett | 6 | 3 | 2 | P Haarhuis J Palmer | 6 | 6 | |||||||||||||||||||||
| 2 | P Haarhuis J Palmer | 7 | 6 | ||||||||||||||||||||||||
The 2000 du Maurier Open men's doubles was the men's doubles event of the one hundred and eleventh edition of the Canadian Open; a WTA Tier I tournament and the most prestigious men's tennis tournament held in Canada. Jonas Björkman and Patrick Rafter were the defending champions, but Rafter chose not to participate, and only Bjorkman competed that year. Bjorkman partnered with Max Mirnyi, but lost in the semifinals to Joshua Eagle and Andrew Florent. Sébastien Lareau and Daniel Nestor won in the final 6–3, 7–6(3), against Joshua Eagle and Andrew Florent.
Paul Haarhuis and Jared Palmer were the defending champions, but chose not to participate that year.
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.
Jonas Björkman and Todd Woodbridge were the defending champions and won in the final 6–3, 3–6, [10–7] against Paul Haarhuis and Yevgeny Kafelnikov.
Todd Woodbridge and Mark Woodforde were the defending champions but lost in the semifinals to Mark Philippoussis and Patrick Rafter.
Mahesh Bhupathi and Leander Paes defeated the defending champion Paul Haarhuis and his partner Jared Palmer in the final, 6–7(10–12), 6–3, 6–4, 7–6(7–4), to win the gentlemen's doubles title at the 1999 Wimbledon Championships.
Jonas Björkman and Jacco Eltingh were the defending champions, but Eltingh did not compete this year.
Björkman teamed up with Patrick Rafter, and they won the title defeating the first-seeded Indian team of Mahesh Bhupathi and Leander Paes in the final, 6–3, 4–6, 6–4, 6–7(10–12), 6–4. This would be Rafter's only grand slam doubles title.
Wayne Black and Sandon Stolle were the defending champions, but did not partner together this year. Black partnered Andrew Kratzmann, losing in the first round. Stolle partnered Paul Haarhuis, losing in the final.
Jonas Björkman and Patrick Rafter were the defending champions, but lost in the second round this year.
Wayne Black and Sandon Stolle were the defending champions, but did not partner together this year. Black partnered Andrew Kratzmann, losing in the second round. Stolle partnered Paul Haarhuis, losing in the quarterfinals.
Ellis Ferreira and Rick Leach were the defending champions, but lost in the third round this year.
Donald Johnson and Jared Palmer were the defending champions, but lost in the semifinals to Jonas Björkman and Todd Woodbridge.
Jacco Eltingh and Paul Haarhuis were the defending champions. Eltingh chose not to participate. Haarhuis teamed up with Jared Palmer, but they lost in the first round to Andrea Gaudenzi and Diego Nargiso.
Ellis Ferreira and Rick Leach were the defending champions, but lost in second round to Simon Aspelin and Jaime Oncins
Jonas Björkman and Byron Black were the defending champions, but Black did not compete this year. Björkman teamed up with David Prinosil and lost in semifinals to tournament winners Jiří Novák and David Rikl.
Olivier Delaître and Tim Henman were the defending champions, but lost in second round to tournament runners-up Paul Haarhuis and Sandon Stolle.
Martin Damm and Jim Grabb were the defending champions, but competed this year with different partners. Damm teamed up with Max Mirnyi and lost in second round to Ellis Ferreira and Rick Leach, while Grabb teamed up with Goran Ivanišević and lost in quarterfinals also against Ferreira-Leach.
Sébastien Lareau and Alex O'Brien were the defending champions, but lost in quarterfinals to Andrei Olhovskiy and David Prinosil.
Jiří Novák and David Rikl were the defending champions, but lost in first round to Lan Bale and Grant Stafford.