Cincinnati
Sitio Oficial
- Nombre: Western & Southern Financial Group Masters
- Lugar: Cincinnati, Estados Unidos
- Categoría: ATP World Tour Masters 1000
- Fecha: 16/8 - 22/8
- Superficie: Cemento
- Cuadros: S56 D24
- Premios: $3.000.000
| Año | Campeón | Resultado | Finalista | |
| 2010 |  [3] Roger Federer | 6-7 7-6 6-4 |  [WC] Mardy Fish |
|
| 2009 | [1] Roger Federer | 6-1 7-5 |  [4] Novak Djokovic |
|
| 2008 |  [8] Andy Murray | 7-6 7-6 | [3] Novak Djokovic |
|
| 2007 | [1] Roger Federer | 6-1 6-4 | [9] James Blake |
|
| 2006 | [9] Andy Roddick | 6-3 6-4 |  Juan Carlos Ferrero |
|
| 2005 | [1] Roger Federer | 6-3 7-5 | [5] Andy Roddick |
|
| 2004 | [11] Andre Agassi | 6-3 3-6 6-2 |  [10] Lleyton Hewitt |
|
| 2003 | [7] Andy Roddick | 4-6 7-6 7-6 | Mardy Fish |
|
| 2002 | [16] Carlos Moya | 7-5 7-6 | [1] Lleyton Hewitt |
|
| 2001 |  [1] Gustavo Kuerten | 6-1 6-3 | [8] Patrick Rafter |
|
| 2000 |  [7] Thomas Enqvist | 7-6 6-4 | [15] Tim Henman |
|
| 1999 | [1] Pete Sampras | 7-6 6-3 | [2] Patrick Rafter |
|
| 1998 | [5] Patrick Rafter | 1-6 7-6 6-4 | [1] Pete Sampras |
|
| 1997 | [1] Pete Sampras | 6-3 6-4 |  [5] Thomas Muster |
|
| 1996 | [6] Andre Agassi | 7-6 6-4 | [3] Michael Chang |
|
| 1995 | [1] Andre Agassi | 7-5 6-2 | [4] Michael Chang |
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| 1994 | [4] Michael Chang | 6-2 7-5 | [2] Stefan Edberg |
|
| 1993 | [7] Michael Chang | 7-5 0-6 6-4 | [3] Stefan Edberg |
|
| 1992 | [3] Pete Sampras | 6-3 3-6 6-3 | [8] Ivan Lendl |
|
| 1991 |  [6] Guy Forget | 2-6 7-6 6-4 | [7] Pete Sampras |
|
| 1990 | [1] Stefan Edberg | 6-1 6-1 | [4] Brad Gilbert |
|
| 1989 | [5] Brad Gilbert | 6-4 2-6 7-6 | [2] Stefan Edberg |
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| 1988 | [2] Mats Wilander | 3-6 7-6 7-6 | [1] Stefan Edberg |
|
| 1987 | [2] Stefan Edberg | 6-4 6-1 |  [3] Boris Becker | |
| 1986 | [1] Mats Wilander | 6-4 6-1 | [2] Jimmy Connors |
|
| 1985 | [4] Boris Becker | 6-4 6-2 | [1] Mats Wilander | |
| 1984 | [3] Mats Wilander | 7-6 6-3 | [5] Anders Jarryd | |
| 1983 | [4] Mats Wilander | 6-4 6-4 | [1] John McEnroe | |
| 1982 | [3] Ivan Lendl | 6-2 7-6 | [11] Steve Denton | |
| 1981 | [1] John McEnroe | 6-3 6-4 |  Chris Lewis | |
| 1980 | [3] Harold Solomon | 7-6 6-3 |  Francisco González | |
| 1979 | [7] Peter Fleming | 6-4 6-2 | [1] Roscoe Tanner |
|
| 1978 | [1] Eddie Dibbs | 5-7 6-3 6-2 |  [2] Raul Ramírez |
|
| 1977 | [3] Harold Solomon | 6-2 6-3 | [4] Mark Cox |
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| 1976 | [2] Roscoe Tanner | 7-6 6-3 | [1] Eddie Dibbs |
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| 1975 | [7] Tom Gorman | 7-5 2-6 6-4 | Sherwood Stewart |
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| 1974 | [1] Marty Riessen | 7-6 7-6 | [2] Robert Lutz |
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| 1973 |  [1] Ilie Nastase | 5-7 6-3 6-4 | [3] Manuel Orantes | |
| 1972 | [1] Jimmy Connors | 6-3 6-3 |  Guillermo Vilas |
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| 1971 | [1] Stan Smith | 7-6 6-3 | Juan Gisbert | |
| 1970 | [1] Ken Rosewall | 7-9 9-7 8-6 | [2] Cliff Richey | |
| 1969 | [3] Cliff Richey | 6-1 6-2 | Allan Stone | |
| 1968 | William Harris | 3-6 6-2 6-2 | Tom Gorman |