Cincinnati Masters (nykyiseltä nimeltään Western & Southern Open) on elokuussa Cincinnatin esikaupunkialueella Masonissa, Ohiossa järjestettävä tennisturnaus. Turnaus järjestettiin ensimmäisen kerran vuonna 1899. Turnaus pelataan Lindner Family Tennis Centerissä. Miesten turnaus kuuluu ATP Tour Masters 1000 -sarjaan ja naisten turnaus Premier 5 -sarjaan.
Tulokset Miesten kaksinpeli VuosiVoittajaLoppuotteluvastustajaTulos 1899 Nat Emerson || Dudley Sutphin || 8–6, 6–1, 10–8 |- | 1900 || Raymond D. Little Nat Emerson 6–2, 6–4, 6–2 1901 Raymond D. Little || Kreigh Collins || 2–6, 8–6, 6–4, 7–5 |- | 1902 || Raymond D. Little Kreigh Collins 3–6, 6–8, 6–4, 6–1, 6–2 1903 Kreigh Collins || Raymond D. Little || 11–9, 4–6, 6–1, 3–6, 6–4 |- | 1904 || Beals Wright L. Harry Waidner 7–5, 6–0, 6–3 1905 Beals Wright || Kreigh Collins || 6–3, 7–5, 4–6, 7–9, 6–3 |- | 1906 || Beals Wright Robert LeRoy 6–4, 6–4, 4–6, 4–6, 6–2 1907 Robert LeRoy || Robert Chauncey Seaver || 8–6, 6–8, 6–2, 6–0 |- | 1908 || Robert LeRoy Nat Emerson 6–0, 7–5, 6–4 1909 Robert LeRoy || Nat Emerson || 6–3, 3–6, 6–0, 1–6, 6–3 |- | 1910 || Richard H. Palmer Wallace F. Johnson 11–9, 6–3, 6–4 1911 Richard H. Palmer || Richard Bishop || 14–12, 6–4, 8–6 |- | 1912 || Gus Touchard Richard H. Palmer 6–1, 6–2, 7–5 1913 William S. McElroy || Gus Touchard || luovutus |- | 1914 || William S. McElroy William Hoag 6–4, 1–6, 6–4, 6–2 1915 Clarence Griffin || William S. McElroy || 6–4, 6–3, 6–3 |- | 1916 || Bill Johnston Clarence Griffin luovutus 1917 Fritz Bastian || John G. MacKay || 4–6, 6–4, 6–1, 6–2 |- | 1918 || colspan=3 align=center bgcolor="#F5F5F5" | Ei järjestetty ensimmäisen maailmansodan takia |- | 1919 || Fritz Bastian John Hennessey 2–6, 6–4, 6–1, 6–4 1920 John Hennessey || Walter Wesbrook || 8–10, 6–3, 6–3, 6–4 |- | 1921 || colspan=3 align=center bgcolor="#F5F5F5" | Ei järjestetty |- | 1922 || Louis Kuhler Edwin Haupt 6–3, 6–1, 6–1 1923 Louis Kuhler || Paul Kunkel || 6–3, 6–3, 6–2 |- | 1924 || George Lott Paul Kunkel 2–6, 13–11, 6–4, 6–3 1925 George Lott || Julius Sagalowsky || 6–3, 7–5, 6–1 |- | 1926 || Bill Tilden George Lott 4–6, 6–3, 7–9, 6–4, 6–3 1927 George Lott || Emmett Pare || 6–4, 6–4, 6–2 |- | 1928 || Emmett Pare Harris Coggeshall 2–6, 6–1, 6–4, 6–4 1929 Herbert Bowman || Julius Seligson || 2–6, 6–4, 6–4, 6–1 |- | 1930 || Frank Shields Emmett Pare 6–2, 6–4, 3–6, 2–6, 6–1 1931 Cliff Sutter || Bruce Barnes || 6–3, 6–2, 3–6, 6–3 |- | 1932 || George Lott Frank Parker 5–7, 6–2, 4–6, 6–0, 6–3 1933 Bryan Grant || Frank Parker || 11–9, 6–2, 1–6, 7–5 |- | 1934 || Henry Prusoff Arthur Hendrix 6–3, 6–2, 4–6, 6–4 1935 Ei järjestetty 1930-luvun laman takia 1936 Bobby Riggs || Charles Harris || 6–1, 6–3, 6–1 |- | 1937 || Bobby Riggs John McDiarmid 6–3, 6–3, 4–6, 6–3 1938 Bobby Riggs || Frank Parker || 6–1, 7–5, 6–3 |- | 1939 || Bryan Grant Frank Parker 4–6, 6–3, 6–1, 2–6, 6–4 1940 Bobby Riggs || Arthur Marx || 11–9, 6–2, 4–6, 6–8, 6–1 |- | 1941 || Frank Parker Bill Talbert 6–2, 6–2, 6–4 1942 Pancho Segura || Bill Talbert || 1–6, 6–2, 6–4, 12–10 |- | 1943 || Bill Talbert Seymour Greenberg 6–1, 6–2, 6–3 1944 Pancho Segura || Bill Talbert || 9–11, 6–2, 7–5, 2–6, 7–5 |- | 1945 || Bill Talbert Elwood Cooke 6–2, 7–9, 6–2 1946 Nick Carter || George E. Richards || 6–1, 6–1 |- | 1947 || Bill Talbert George Pero 6–1, 6–0, 6–0 1948 Herbert Behrens || Irvin Dorfman || 7–5, 11–9, 2–6, 6–8, 6–4 |- | 1949 || James Brink Arnold Saul 6–4, 6–8, 6–4, 6–0 1950 Glenn Bassett || Hamilton Richardson || 6–2, 4–6, 6–1, 6–1 |- | 1951 || Tony Trabert Bill Talbert 5–7, 4–6, 6–4, 6–3, 6–4 1952 Noel Brown || Fred Hagist || 6–4, 0–6, 2–0, luov. |- | 1953 || Tony Trabert Hamilton Richardson 10–8, 6–3, 6–4 1954 Straight Clark || Sammy Giammalva || 8–6, 6–1, 6–1 |- | 1955 || Bernard Bartzen Tony Trabert 7–9, 11–9, 6–4 1956 Edward Moylan || Bernard Bartzen || 6–0, 6–3, 6–3 |- | 1957 || Bernard Bartzen Grant Golden 6–4, 7–5, 6–4 1958 Bernard Bartzen || Sammy Giammalva || 7–5, 6–3, 6–2 |- | 1959 || Whitney Reed Donald Dell 1–6, 7–5, 6–3, 6–3 1960 Miguel Olvera || Crawford Henry || 4–6, 9–7, 6–4 |- | 1961 || Allen Fox Billy Lenoir 3–6, 8–6, 6–2, 6–1 1962 Marty Riessen || Allen Fox || 1–6, 6–2, 6–2, 6–3 |- | 1963 || Marty Riessen Herb Fitzgibbon 6–1, 6–3, 7–5 1964 Herb Fitzgibbon || Robert Brien || 6–1, 6–3, 6–1 |- | 1965 || Billy Lenoir Herb Fitzgibbon 1–6, 6–3, 6–3, 9–7 1966 David Power || William Harris || 7–5, 3–6, 0–6, 6–1, 6–2 |- | 1967 || Joaquín Loyo Mayo Jaime Fillol 8–6, 6–1 1968 William Harris || Tom Gorman || 3–6, 6–2, 6–2 |- | 1969 || Cliff Richey Allan Stone 6–1, 6–2 1970 Ken Rosewall || Cliff Richey || 7–9, 9–7, 8–6 |- | 1971 || Stan Smith Juan Gisbert 7–6, 6–3 1972 Jimmy Connors || Guillermo Vilas || 6–3, 6–3 |- | 1973 || Ilie Năstase Manuel Orantes 5–7, 6–3, 6–4 1974 Marty Riessen || Robert Lutz || 7–6, 7–6 |- | 1975 || Tom Gorman Sherwood Stewart 7–5, 2–6, 6–4 1976 Roscoe Tanner || Eddie Dibbs || 7–6, 6–3 |- | 1977 || Harold Solomon Mark Cox 6–2, 6–3 1978 Eddie Dibbs || Raúl Ramírez || 5–7, 6–3, 6–2 |- | 1979 || Peter Fleming Roscoe Tanner 6–4, 6–2 1980 Harold Solomon || Francisco González || 7–6, 6–3 |- | 1981 || John McEnroe Chris Lewis 6–3, 6–4 1982 Ivan Lendl || Steve Denton || 6–2, 7–6 |- | 1983 || Mats Wilander John McEnroe 6–4, 6–4 1984 Mats Wilander || Anders Järryd || 7–6, 6–3 |- | 1985 || Boris Becker Mats Wilander 6–4, 6–2 1986 Mats Wilander || Jimmy Connors || 6–4, 6–1 |- | 1987 || Stefan Edberg Boris Becker 6–4, 6–1 1988 Mats Wilander || Stefan Edberg || 3–6, 7–6, 7–6 |- | 1989 || Brad Gilbert Stefan Edberg 6–4, 2–6, 7–6 1990 Stefan Edberg || Brad Gilbert || 6–1, 6–1 |- | 1991 || Guy Forget Pete Sampras 2–6, 7–6(4), 6–4 1992 Pete Sampras || Ivan Lendl || 6–3, 3–6, 6–3 |- | 1993 || Michael Chang Stefan Edberg 7–5, 0–6, 6–4 1994 Michael Chang || Stefan Edberg || 6–2, 7–5 |- | 1995 || Andre Agassi Michael Chang 7–5, 6–2 1996 Andre Agassi || Michael Chang || 7–6(4), 6–4 |- | 1997 || Pete Sampras Thomas Muster 6–3, 6–4 1998 Patrick Rafter || Pete Sampras || 1–6, 7–6(2), 6–4 |- | 1999 || Pete Sampras Patrick Rafter 7–6(7), 6–3 2000 Thomas Enqvist || Tim Henman || 7–6(5), 6–4 |- | 2001 || Gustavo Kuerten Patrick Rafter 6–1, 6–3 2002 Carlos Moyà || Lleyton Hewitt || 7–5, 7–6(5) |- | 2003 || Andy Roddick Mardy Fish 4–6, 7–6(3), 7–6(4) 2004 Andre Agassi || Lleyton Hewitt || 6–3, 3–6, 6–2 |- | 2005 || Roger Federer Andy Roddick 6–3, 7–5 2006 Andy Roddick || Juan Carlos Ferrero || 6–3, 6–4 |- | 2007 || Roger Federer James Blake 6–1, 6–4 2008 Andy Murray || Novak Đoković || 7–6(4) 7–6(5) |- | 2009 || Roger Federer Novak Đoković 6–1, 7–5 2010 Roger Federer || Mardy Fish || 6–7(5), 7–6(1), 6–4 |- | 2011 || Andy Murray Novak Đoković 6–4, 3–0, luov. 2012 Roger Federer || Novak Đoković || 6–0, 7–6(7) |- | 2013 || Rafael Nadal John Isner 7–6(8), 7–6(3) 2014 Roger Federer || David Ferrer || 6–3, 1–6, 6–2 |- | 2015 || Roger Federer Novak Đoković 7–6(1), 6–3 2016 Marin Čilić || Andy Murray || 6–4, 7–5 |- | 2017 || Grigor Dimitrov Nick Kyrgios 6–3, 7–5 2018 '''Novak Đoković Roger Federer 6–4, 6–4
Miesten nelinpeli VuosiVoittajatLoppuotteluvastustajatTulos 1968 William Brown Ron Goldman || Jaime Fillol Joaquín Loyo Mayo || 10–8, 6–3 |- | 1969 || Robert Lutz Stan Smith Arthur Ashe Charlie Pasarell 6–3, 6–4 1970 Ilie Năstase Ion Țiriac || Bob Hewitt Frew McMillan || 6–3, 6–4 |- | 1971 || Stan Smith Erik van Dillen Sandy Mayer Roscoe Tanner 6–4, 6–4 1972 Bob Hewitt Frew McMillan || Paul Gerken Humphrey Hose || 7–6, 6–4 |- | 1973 || John Alexander Phil Dent Brian Gottfried Raúl Ramírez 1–6, 7–6, 7–6 1974 Dick Dell Sherwood Stewart || James Delaney John Whitlinger || 4–6, 7–6, 6–2 |- | 1975 || Phil Dent Cliff Drysdale Marcello Lara Joaquín Loyo Mayo 7–6, 6–4 1976 Stan Smith Erik van Dillen || Eddie Dibbs Harold Solomon || 6–1, 6–1 |- | 1977 || John Alexander Phil Dent Bob Hewitt Roscoe Tanner 6–3, 7–6 1978 Gene Mayer Raúl Ramírez || Ismail El Shafei Brian Fairlie || 6–3, 6–3 |- | 1979 || Brian Gottfried Ilie Năstase Robert Lutz Stan Smith 1–6, 6–3, 7–6 1980 Bruce Manson Brian Teacher || Wojciech Fibak Ivan Lendl || 6–7, 7–5, 6–4 |- | 1981 || John McEnroe Ferdi Taygan Robert Lutz Stan Smith 7–6, 6–3 1982 Peter Fleming John McEnroe || Steve Denton Mark Edmondson || 6–2, 6–3 |- | 1983 || Victor Amaya Tim Gullikson Carlos Kirmayr Cássio Motta 6–4, 6–3 1984 Francisco González Matt Mitchell || Sandy Mayer Balázs Taróczy || 4–6, 6–3, 7–6 |- | 1985 || Stefan Edberg Anders Järryd Joakim Nyström Mats Wilander 4–6, 6–2, 6–3 1986 Mark Kratzmann Kim Warwick || Christo Steyn Danie Visser || 6–3, 6–4 |- | 1987 || Ken Flach Robert Seguso Steve Denton John Fitzgerald 7–5, 6–3 1988 Rick Leach Jim Pugh || Jim Grabb Patrick McEnroe || 6–2, 6–4 |- | 1989 || Ken Flach Robert Seguso Pieter Aldrich Danie Visser 6–4, 6–4 1990 Darren Cahill Mark Kratzmann || Neil Broad Gary Muller || 7–6, 6–2 |- | 1991 || Ken Flach Robert Seguso Grant Connell Glenn Michibata 6–3, 6–4 1992 Todd Woodbridge Mark Woodforde || Patrick McEnroe Jonathan Stark || 7–6, 6–4 |- | 1993 || Andre Agassi Petr Korda Stefan Edberg Henrik Holm 6–4, 7–6 1994 Alex O’Brien Sandon Stolle || Wayne Ferreira Mark Kratzmann || 7–6, 3–6, 6–3 |- | 1995 || Todd Woodbridge Mark Woodforde Mark Knowles Daniel Nestor 6–4, 6–4 1996 Mark Knowles Daniel Nestor || Sandon Stolle Cyril Suk || 6–2, 7–5 |- | 1997 || Todd Woodbridge Mark Woodforde Mark Philippoussis Patrick Rafter 6–4, 6–2 1998 Mark Knowles Daniel Nestor || Olivier Delaître Fabrice Santoro || 6–1, 2–1, luov. |- | 1999 || Jonas Björkman Byron Black Todd Woodbridge Mark Woodforde 6–1, 2–6, 7–6 2000 Todd Woodbridge Mark Woodforde || Ellis Ferreira Rick Leach || 7–6(6), 6–4 |- | 2001 || Mahesh Bhupathi Leander Paes Martin Damm David Prinosil 7–6(3), 6–3 2002 James Blake Todd Martin || Mahesh Bhupathi Maks Mirny || 7–5, 6–3 |- | 2003 || Bob Bryan Mike Bryan Wayne Arthurs Paul Hanley 7–5, 7–6(5) 2004 Mark Knowles Daniel Nestor || Jonas Björkman Todd Woodbridge || 6–2, 3–6, 6–3 |- | 2005 || Jonas Björkman Maks Mirny Wayne Black Kevin Ullyett 7–6(3), 6–2 2006 Jonas Björkman Maks Mirny || Bob Bryan Mike Bryan || 3–6, 6–3, [10–7] |- | 2007 || Jonathan Erlich Andy Ram Bob Bryan Mike Bryan 4–6, 6–3, [13–11] 2008 Bob Bryan Mike Bryan || Jonathan Erlich Andy Ram || 4–6, 7–6(2), [10–7] |- | 2009 || Daniel Nestor Nenad Zimonjić Bob Bryan Mike Bryan 3–6, 7–6(2), [15–13] 2010 Bob Bryan Mike Bryan || Mahesh Bhupathi Maks Mirny || 6–3, 6–4 |- | 2011 || Mahesh Bhupathi Leander Paes Michaël Llodra Nenad Zimonjić 7–6(4), 7–6(2) 2012 Robert Lindstedt Horia Tecău || Mahesh Bhupathi Rohan Bopanna || 6–4, 6–4 |- | 2013 || Bob Bryan Mike Bryan Marcel Granollers Marc López 6–4, 4–6, [10–4] 2014 Bob Bryan Mike Bryan || Vasek Pospisil Jack Sock || 6–3, 6–2 |- | 2015 || Daniel Nestor Édouard Roger-Vasselin Marcin Matkowski Nenad Zimonjić 6–2, 6–2 2016 Ivan Dodig Marcelo Melo || Jean-Julien Rojer Horia Tecău || 7–6(5), 6–7(5), [10–6] |- | 2017 || Pierre-Hugues Herbert Nicolas Mahut Jamie Murray Bruno Soares 7–6(6), 6–4 2018 '''Jamie Murray Bruno Soares Juan Sebastián Cabal Robert Farah 4–6, 6–3, [10–6]
Naisten kaksinpeli VuosiVoittajaLoppuotteluvastustajaTulos 1899 Myrtle McAteer || Juliette Atkinson || 7–5, 6–1, 4–6, 8–6 |- | 1900 || Myrtle McAteer Maud Banks 6–4, 6–8, 6–2, 6–3 1901 Winona Closterman || Juliette Atkinson || 6–2, 8–6, 6–1 |- | 1902 || Maud Banks Winona Closterman 6–2, 6–1 1903 Winona Closterman || Myrtle McAteer || 6–1, 5–7, 6–4 |- | 1904 || Myrtle McAteer Winona Closterman 7–5, 6–3 1905 May Sutton || Myrtle McAteer || 6–0, 6–0 |- | 1906 || May Sutton Florence Sutton 7–5, 6–2 1907 May Sutton || Martha Kinsey || 6–1, 6–1 |- | 1908 || Martha Kinsey Marjorie Dodd 4–6, 8–6, 6–2 1909 Edith Hannam || Martha Kinsey || 6–3, 6–1 |- | 1910 || Miriam Steever Rhea Fairbairn 4–6, 8–6, 6–0 1911 Marjorie Dodd || Helen McLaughlin || 6–0, 6–2 |- | 1912 || Marjorie Dodd May Sutton luovutus 1913 Ruth Sanders || Marjorie Dodd || 6–2, 6–3 |-