Here are all the Masters Series winners since it officially started in 1990:
Key Blue: Hardcourt Red: Clay Brown: Carpet
1990 Indian Wells: Stefan Edberg 1990 Miami: Andre Agassi 1990 Monte Carlo: Andrei Chesnokov 1990 Hamburg: Juan Aguilera 1990 Rome: Thomas Muster 1990 Toronto: Michael Chang 1990 Cincinnati: Stefan Edberg 1990 Stockholm Indoor: Boris Becker 1990 Paris Indoor: Stefan Edberg
1991 Indian Wells: Jim Courier 1991 Miami: Jim Courier 1991 Monte Carlo: Sergi Bruguera 1991 Hamburg: Karel Novacek 1991 Rome: Emilio Sanchez 1991 Montreal: Andrei Chesnokov 1991 Cincinnati: Guy Forget 1991 Stockholm Indoor: Boris Becker 1991 Paris Indoor: Guy Forget
1992 Indian Wells: Michael Chang 1992 Miami: Michael Chang 1992 Monte Carlo: Thomas Muster 1992 Hamburg: Stefan Edberg 1992 Rome: Jim Courier 1992 Toronto: Andre Agassi 1992 Cincinnati: Pete Sampras 1992 Stockholm Indoor: Goran Ivanisevic 1992 Paris Indoor: Boris Becker
1993 Indian Wells: Jim Courier 1993 Miami: Pete Sampras 1993 Monte Carlo: Sergi Bruguera 1993 Hamburg: Michael Stich 1993 Rome: Jim Courier 1993 Montreal: Mikael Pernfors 1993 Cincinnati: Michael Chang 1993 Stockholm Indoor: Michael Stich 1993 Paris Indoor: Goran Ivanisevic
1994 Indian Wells: Pete Sampras 1994 Miami: Pete Sampras 1994 Monte Carlo: Andrei Medvedev 1994 Hamburg: Andrei Medvedev 1994 Rome: Pete Sampras 1994 Toronto: Andre Agassi 1994 Cincinnati: Michael Chang 1994 Stockholm Indoor: Boris Becker 1994 Paris Indoor: Andre Agassi
1995 Indian Wells: Pete Sampras 1995 Miami: Andre Agassi 1995 Monte Carlo: Thomas Muster 1995 Hamburg: Andrei Medvedev 1995 Rome: Thomas Muster 1995 Montreal: Andre Agassi 1995 Cincinnati: Andre Agassi 1995 Essen Indoor: Thomas Muster 1995 Paris Indoor: Pete Sampras
1996 Indian Wells: Michael Chang 1996 Miami: Andre Agassi 1996 Monte Carlo: Thomas Muster 1996 Hamburg: Roberto Carretero 1996 Rome: Thomas Muster 1996 Cincinnati: Andre Agassi 1996 Toronto: Wayne Ferreira 1996 Stuttgart Indoor: Boris Becker 1996 Paris Indoor: Thomas Enqvist
1997 Indian Wells: Michael Chang 1997 Miami: Thomas Muster 1997 Monte Carlo: Marcelo Rios 1997 Hamburg: Andrei Medvedev 1997 Rome: Alex Corretja 1997 Montreal: Chris Woodruff 1997 Cincinnati: Pete Sampras 1997 Stuttgart Indoor: Petr Korda 1997 Paris Indoor: Pete Sampras
1998 Indian Wells: Marcelo Rios 1998 Miami: Marcelo Rios 1998 Monte Carlo: Carlos Moya 1998 Hamburg: Albert Costa 1998 Rome: Marcelo Rios 1998 Toronto: Patrick Rafter 1998 Cincinnati: Patrick Rafter 1998 Stuttgart Indoor: Richard Krajicek 1998 Paris Indoor: Greg Rusedski
1999 Indian Wells: Mark Philippoussis 1999 Miami: Richard Krajicek 1999 Monte Carlo: Gustavo Kuerten 1999 Hamburg: Marcelo Rios 1999 Rome: Gustavo Kuerten 1999 Montreal: Thomas Johansson 1999 Cincinnati: Pete Sampras 1999 Stuttgart Indoor: Thomas Enqvist 1999 Paris Indoor: Andre Agassi
2000 Indian Wells: Alex Corretja 2000 Miami: Pete Sampras 2000 Monte Carlo: Cedric Pioline 2000 Rome: Magnus Norman 2000 Hamburg: Gustavo Kuerten 2000 Toronto: Marat Safin 2000 Cincinnati: Thomas Enqvist 2000 Stuttgart Indoor: Wayne Ferreira 2000 Paris Indoor: Marat Safin
2001 Indian Wells: Andre Agassi 2001 Miami: Andre Agassi 2001 Monte Carlo: Gustavo Kuerten 2001 Rome: Juan Carlos Ferrero 2001 Hamburg: Albert Portas 2001 Montreal: Andrei Pavel 2001 Cincinnati: Gustavo Kuerten 2001 Stuttgart Indoor: Tommy Haas 2001 Paris Indoor: Sebastien Grosjean
2002 Indian Wells: Lleyton Hewitt 2002 Miami: Andre Agassi 2002 Monte Carlo: Juan Carlos Ferrero 2002 Rome: Andre Agassi 2002 Hamburg: Roger Federer 2002 Toronto: Guillermo Canas 2002 Cincinnati: Carlos Moya 2002 Madrid Indoor: Andre Agassi 2002 Paris Indoor: Marat Safin
2003 Indian Wells: Lleyton Hewitt 2003 Miami: Andre Agassi 2003 Monte Carlo: Juan Carlos Ferrero 2003 Rome: Felix Mantilla 2003 Hamburg: Guillermo Coria 2003 Montreal: Andy Roddick 2003 Cincinnati: Andy Roddick 2003 Madrid Indoor: Juan Carlos Ferrero 2003 Paris Indoor: Tim Henman
2004 Indian Wells: Roger Federer 2004 Miami: Andy Roddick 2004 Monte Carlo: Guillermo Coria 2004 Rome: Carlos Moya 2004 Hamburg: Roger Federer 2004 Toronto: Roger Federer 2004 Cincinnati: Andre Agassi 2004 Madrid Indoor: Marat Safin 2004 Paris Indoor: Marat Safin
2005 Indian Wells: Roger Federer 2005 Miami: Roger Federer 2005 Monte Carlo: Rafael Nadal 2005 Rome: Rafael Nadal 2005 Hamburg: Roger Federer 2005 Montreal: Rafael Nadal 2005 Cincinnati: Roger Federer 2005 Madrid Indoor: Rafael Nadal 2005 Paris Indoor: Tomas Berdych
2006 Indian Wells: Roger Federer 2006 Miami: Roger Federer 2006 Monte Carlo: Rafael Nadal 2006 Rome: Rafael Nadal 2006 Hamburg: Tommy Robredo 2006 Toronto: Roger Federer 2006 Cincinnati: Andy Roddick 2006 Madrid Indoor: Roger Federer 2006 Paris Indoor: Nikolay Davydenko
2007 Indian Wells: Rafael Nadal 2007 Miami: Novak Djokovic 2007 Monte Carlo: Rafael Nadal 2007 Rome: Rafael Nadal 2007 Hamburg: Roger Federer 2007 Montreal: Novak Djokovic 2007 Cincinnati: Roger Federer 2007 Madrid Indoor: David Nalbandian 2007 Paris Indoor: David Nalbandian
2008 Indian Wells: Novak Djokovic 2008 Miami: Nikolay Davydenko 2008 Monte Carlo: Rafael Nadal 2008 Rome: Novak Djokovic 2008 Hamburg: Rafael Nadal 2008 Toronto: Rafael Nadal 2008 Cincinnati: Andy Murray 2008 Madrid Indoor: Andy Murray 2008 Paris Indoor: Jo-Wilfried Tsonga
2009 Indian Wells: Rafael Nadal 2009 Miami: Andy Murray 2009 Monte Carlo: Rafael Nadal 2009 Rome: Rafael Nadal 2009 Madrid: Roger Federer 2009 Montreal: Andy Murray 2009 Cincinnati: Roger Federer 2009 Shanghai: Nikolay Davydenko 2009 Paris Indoor: Novak Djokovic
2010 Indian Wells: Ivan Ljubicic 2010 Miami: Andy Roddick 2010 Monte Carlo: Rafael Nadal 2010 Rome: Rafael Nadal 2010 Madrid: Rafael Nadal 2010 Toronto: Andy Murray 2010 Cincinnati: Roger Federer 2010 Shanghai: Andy Murray 2010 Paris Indoor: Robin Soderling
2011 Indian Wells: Novak Djokovic 2011 Miami: Novak Djokovic 2011 Monte Carlo: Rafael Nadal 2011 Madrid: Novak Djokovic 2011 Rome: Novak Djokovic 2011 Montreal:
2011 Cincinnati:
2011 Shanghai:
2011 Paris Indoor: