Here is a list of past champions of the Canadian Masters tennis competition in the Open era through its various incarnations from the Canadian Open to Players International to the present day Rogers Cup.

YEARMEN'S SINGLESMEN'S DOUBLES
2013Rafael NadalAlexander Peya & Bruno Soares
2012Novak DjokovicBob Bryan & Mike Bryan
2011Novak DjokovicMichael Llodra & Nenad Zimonjic 
2010Andy MurrayBob Bryan & Mike Bryan
2009Andy MurrayMahesh Bhupati & Mark Knowles
2008Rafael NadalDaniel Nestor & Nenad Zimonjic
2007Novak DjokovicMahesh Bhupati & Pavel Vizner
2006Roger FedererBob Bryan & Mike Bryan
2005Rafael NadalWayne Black & Kevin Ullyett
2004Roger FedererMahesh Bhupati & Leander Paes
2003Andy RoddickMahesh Bhupati & Max Mirnyi
2002Guillermo CanasBob Bryan & Mike Bryan
2001Andrei PavelJiri Novak & David Rickl
2000Marat SafinSebastian Lareau & Daniel Nestor
1999Thomas JohanssonJonas Bjorkman & Patrick Rafter
1998Patrick RafterMartin Damm & Jim Grabb
1997Chris WoodruffMahesh Bhupati & Leander Paes
1996Wayne FerreiraPatrick Galbraith & Paul Haarhuis
1995Andre AgassiYevgeny Kafelnikov & Andrei Olhovskiy
1994Andre AgassiByron Black & Jonathan Stark
1993Mikael PernforsJim Courier & Mark Knowles
1992Andre AgassiPatrick Galbraith & Danie Visser
1991Andrei ChesnokovPatrick Galbraith & Todd Witsken
1990Michael ChangPaul Annacone & David Wheaton
1989Ivan LendlKelly Evernden & Todd Witsken
1988Ivan LendlKen Flach & Robert Seguso
1987Ivan LendlPat Cash & Stefan Edberg
1986Boris BeckerChip Hooper & Mike Leach
1985John McEnroeKen Flach & Robert Seguso
1984John McEnroePeter Fleming & John McEnroe
1983Ivan LendlSandi Mayer & Ferdi Taygan
1982Vitas GerulaitisSteve Denton & Mark Edmondson
1981Ivan LendlRaul Ramirez & Ferdi Taygan
1980Ivan LendlBruce Manson & Brian Teacher
1979Bjorn BorgPeter Fleming & John McEnroe
1978Eddie DibbsWojtek Fibak & Marty Riessen
1977Jeff BorowiakBob Hewitt & Raul Ramirez
1976Guillermo VilasBob Hewitt & Raul Ramirez
1975Manuel OrantesCliff Drysdale & Raymond Moore
1974Guillermo VilasManuel Orantes & Guillermo Vilas
1973Tom Okker

Rod Laver & Ken Rosewall

1972Ilie NastaseIlie Nastase & Ion Tiriac
1971John NewcombeTom Okker & Marty Riessen
1970Rod LaverBill Bowry & Marty Riessen
1969Cliff RicheyRon Holmberg & John Newcombe
1968Ramanathan KrishnanHarry Fauquier & John Sharpe
YEARWOMEN'S SINGLESWOMEN'S DOUBLES
2013Serena WilliamsJelena Jankovic & Katarina Srebotnik
2012Petra KvitovaKlaudia Jans-Ignacik & Kristina Mladenovic
2011Serena WilliamsLiezel Huber & Lisa Raymond
2010Caroline WozniackiGisela Dulko & Flavia Pennetta
2009Elena Dementieva

Nuria Liagostera-Vives & Maria Jose Martinez-Sanchez

2008Dinara SafinaCara Black & Liezel Horn Huber
2007Justine HeninKatarina Srebotnik & Ai Sugiyama
2006Ana IvanovicMartina Navratilova & Nadia Petrova
2005Kim ClijstersAnna-Lena Gronefeld & Martina Navratilova 
2004Amelie MauresmoShinobu Asagoe & Ai Sugiyama
2003Justine Henin-HardenneSvetlana Kuznetsova & Martina Navratilova 
2002Amelie MauresmoVirginia Ruano-Pascual & Paola Suarez
2001Serena WilliamsKimberly Po-Messerli & Nicole Pratt
2000Martina HingisMartina Hingis & Nathalie Tauziat 
1999Martina HingisJana Novotna & Mary Pierce
1998Monica SelesMartina Hingis & Jana Novotna
1997Monica SelesYayuk Basuki & Carolina Vis
1996Monica SelesArantxa Sanchez-Vicario & Larisa Savchenko-Neiland
1995Monica SelesGabriela Sabatini & Brenda Schultz-McCarthy
1994Arantxa Sanchez-VicarioMeredith McGrath & Arantxa Sanchez-Vicario
1993Steffi GrafLarisa Savchenko-Neiland & Jana Novotna
1992Arantxa Sanchez-VicarioLori McNeil & Rennae Stubbs
1991Jennifer CapriatiLarisa Savchenko & Natalia Zvereva
1990Steffi GrafBetsy Nagelsen & Gabriela Sabatini
1989Martina NavratilovaGigi Fernandez & Robin White
1988Gabriela SabatiniJana Novotna & Helena Sukova
1987Pam ShriverZina Garrison & Lori McNeil 
1986Helena SukovaZina Garrison & Gabriela Sabatini
1985Chris Evert-LloydGigi Fernandez & Martina Navratilova 
1984Chris Evert-LloydKathy Jordan & Elizabeth Sayers
1983Martina NavratilovaAnne Hobbs & Andrea Jaeger 
1982Martina NavratilovaMartina Navratilova & Candy Reynolds
1981Tracy AustinMartina Navratilova & Pam Shriver 
1980Chris EvertAndrea Jaeger & Regina Marsikova
1979Laura DuPontLea Antonplis & Diane Evers
1978Regina MarsikovaRegina Marsikova & Pam Teeguarden
1977Regina MarsikovaDelina Boshoff & Ilana Kloss
1976Mima JausovecJanet Newberry & Cynthia Doerner
1975Marcie LouieJulie Anthony & Margaret Court
1974Chris EvertJulie Heldman & Gail Sherriff Chanfreau
1973Evonne GoolagongEvonne Goolagong & Peggy Michel
1972Evonne GoolagongMargaret Court & Evonne Goolagong
1971Francoise DurrRosemary Casals & Francoise Durr
1970Margaret CourtRosemary Casals & Margaret Court
1969Faye UrbanVicki Berner & Faye Urban 
1968Jane BartkowiczVicki Berner & Faye Urban