| 1894 | Prague | United Kingdom Harold William Gandon | German Empire H. Voss | 6–0, 6–1, 6–3 |
| 1895 | United Kingdom Conway William Blackwood Price | United Kingdom Harold William Gandon | 6–1, 6–2, 6–4 |
| 1896 | United Kingdom Herbert Dering | United Kingdom Maurice F. Day | 6–3, 6–0 ret. |
| 1897 | United Kingdom Herbert Dering | United Kingdom Harold William Gandon | 6–3, 6–1 ret. |
| 1898 | German Empire Jorge André | Austria-Hungary Rolf Kinzl | 6–1, 0–6, 6–3, 6–3 |
| 1899 | United Kingdom Herbert Dering | Austria-Hungary Alfred Ringhoffer | 1–6, 6–0, 7–5 |
| 1900 | United Kingdom Major Ritchie | United Kingdom Herbert Dering | w.o. |
| 1901 | United Kingdom Major Ritchie | Austria-Hungary Kurt von Wessely | 6–1, 6–2, 6–1 |
| 1902 | United Kingdom Major Ritchie | United Kingdom Frederick W. Payn | 6–3, 6–2, 6–4 |
| 1903 | United Kingdom Major Ritchie | Austria-Hungary Kurt von Wessely | 6–0, 6–0, 6–2 |
| 1904 | United Kingdom Herbert Roper Barrett | United Kingdom Major Ritchie | 1–6, 6–2, 3–0 ret. |
| 1905 | United Kingdom Major Ritchie | Austria-Hungary Kurt von Wessely | 6–3, 8–6, 6–4 |
| 1906 | New Zealand Anthony Wilding | United Kingdom Major Ritchie | 7–5, 2–6, 7–5, 6–3 |
| 1907 | New Zealand Anthony Wilding | German Empire Oscar Kreuzer | 6–1, 6–1, 6–1 |
| 1908 | Not held |
| 1909 | Prague | Austria-Hungary Kurt von Wessely | Austria-Hungary Felix Pipes | 8–6, 6–1, 7–5 |
| 1910 | German Empire Heinrich Kleinschroth | Bohemia Jaroslav Just | 6–2, 6–1, 6–1 |
| 1911 | German Empire Heinrich Kleinschroth | German Empire Oscar Kreuzer | 5–7, 3–6, 6–1 ret. |
| 1912 | German Empire Otto Froitzheim | German Empire Oscar Kreuzer | 6–1, 6–1 ret. |
| 1913 | German Empire Oscar Kreuzer | Austria-Hungary Felix Pipes | 8–6, 6–1, 7–5 |
| 1914 | German Empire Oscar Kreuzer | German Empire Heinrich Kleinschroth | 6–2, 7–5, 6–4 |
| 1915–1919 | Not held |
| 1920 | Vienna | Austria Ludwig von Salm-Hoogstraeten | Austria Rolf Kinzl | 6–4, 6–4, 6–1 |
| 1921 | Weimar Republic Robert Kleinschroth | Weimar Republic Heinrich Kleinschroth | 7–5, 8–6 |
| 1922 | Hungary Béla von Kehrling | Austria Paul Brick | 6–1, 6–2, 6–2 |
| 1923 | Weimar Republic Oscar Kreuzer | Czechoslovakia Friedrich Röhrer | 6–4, 6–1, 6–3 |
| 1924 | Italy Uberto de Morpurgo | Hungary Béla von Kehrling | 4–6, 6–3, 6–1, 6–4 |
| 1925 | Czechoslovakia Jan Koželuh | Czechoslovakia Pavel Macenauer | w.o. |
| 1926 | Czechoslovakia Jan Koželuh | Austria Willy Winterstein | 6–2, 6–1, 6–3 |
| 1927 | France Roger George | France Antoine Gentien | 6–4, 6–3, 2–6, 1–6, 6–0 |
| 1928 | France Henri Cochet | Austria Franz-Wilhelm Matejka | 6–4, 6–2, 4–6, 6–4 |
| 1929 | France Henri Cochet | Austria Franz-Wilhelm Matejka | 6–3, 7–5, 6–3 |
| 1930 | United States Bill Tilden | Austria Franz-Wilhelm Matejka | 6–2, 8–6, 6–4 |
| 1931 | France Henri Cochet | Czechoslovakia Roderich Menzel | 4–6, 6–1, 6–1, 6–4 |
| 1932 | France Emmanuel du Plaix | Czechoslovakia Roderich Menzel | w.o. |
| 1933 | Nazi Germany Daniel Prenn | Austria Herbert Kinzl | 6–1, 5–7, 6–3, 6–1 |
| 1934 | Austria Franz-Wilhelm Matejka | Austria Georg Felix von Metaxa | 6–3, 4–6, 5–7, 6–3, 6–4 |
| 1935 | Italy Giovanni Palmieri | Italy Giorgio de Stefani | 6–4, 4–6, 6–1, 7–5 |
| 1936 | Austria Adam Baworowski | Austria Georg Felix von Metaxa | 3–6, 6–1, 1–6, 6–3, 6–1 |
| 1937 | Hungary Ottó Szigeti | Austria Hans Redl | 8–6, 5–7, 6–0, 6–2 |
| 1938–1948 | Not held |
| 1949 | Vienna | Socialist Federal Republic of Yugoslavia Dragutin Mitić | Socialist Federal Republic of Yugoslavia Josip Palada | 8–6, 7–5, 7–5 |
| 1950 | Vienna | United States Fred Kovaleski | United States Irvin Dorfman | 2–6, 5–7, 6–1, 6–4, 6–3 |
| 1951 | Vienna | Austria Fred Huber | Italy Enzo Pautassi | 6–3, 6–3, 6–4 |
| 1952 | Salzburg | Egypt Jaroslav Drobný | South Africa Eric Sturgess | 6–2, 4–6, 2–6, 6–4, 6–0 |
| 1953 | Not held |
| 1954 | Vienna | Denmark Kurt Nielsen | United States Malcolm Fox | 6–3, 7–5, 6–1 |
| 1955 | Vienna | Poland Władysław Skonecki | Chile Luis Ayala | 6–3, 6–2, 4–6, 6–2 |
| 1956 | Vienna | Austria Fred Huber | Australia Lew Hoad | 6–2, 6–4, 8–6 |
| 1957 | Vienna | Australia Lew Hoad | Egypt Jaroslav Drobný | 6–3, 6–3, 6–3 |
| 1958 | Pörtschach | Egypt Jaroslav Drobný | India Ramanathan Krishnan | 6–3, 3–6, 6–3, 6–4 |
| 1959 | Kitzbühel | United States Budge Patty | Austria Ladislav Legenstein | 8–6, 6–1, 6–2 |
| 1960 | Pörtschach | United Kingdom Billy Knight | United States Budge Patty | 6–2, 6–3, 3–6, 6–3 |
| 1961 | Kitzbühel | Australia Roy Emerson | Australia Rod Laver | 6–3, 6–3, 3–6, 0–6, 6–2 |
| 1962 | Graz | West Germany Ingo Buding | Australia Alan Lane | 6–1, 6–2 |
| 1963 | Pörtschach | Australia Fred Stolle | Australia Bob Hewitt | 6–2, 7–5, 6–1 |
| 1964 | Vienna | Socialist Federal Republic of Yugoslavia Boro Jovanović | Italy Giuseppe Merlo | 4–6, 6–3, 6–3, 6–0 |
| 1965 | Kitzbühel | West Germany Wilhelm Bungert | South Africa Bob Hewitt | 5–7, 5–7, 6–4, 6–3, 6–3 |
| 1966 | Pörtschach | Romania Ion Țiriac | Hungary István Gulyás | 6–4, 10–8, 9–7 |
| 1967 | Kitzbühel | Australia Martin Mulligan | West Germany Wilhelm Bungert | 6–2, 6–2, 2–6, 6–4 |
| 1968 | Pörtschach | Australia Martin Mulligan | West Germany Wilhelm Bungert | 6–2, 6–2, 6–3 |
| 1969 | Kitzbühel | Spain Manuel Santana | Spain Manuel Orantes | 6–4, 6–2, 6–3 |
| ↓ Open Era ↓ |
| 1970 | Kitzbühel | Socialist Federal Republic of Yugoslavia Željko Franulović | Australia John Alexander | 6–4, 9–7, 6–4 |
| 1971 | Kitzbühel | No winner | United States Clark Graebner Spain Manuel Orantes | 6–1, 7–5, 6–7, 6–7, 4–4 |
| ↓ Grand Prix circuit ↓ |
| 1972 | Kitzbühel | Australia Colin Dibley | Australia Dick Crealy | 6–1, 6–3, 6–4 |
| 1973 | Kitzbühel | No winner | Mexico Raúl Ramírez Spain Manuel Orantes | |
| 1974 | Kitzbühel | Hungary Balázs Taróczy | New Zealand Onny Parun | 6–1, 6–4, 6–4 |
| 1975 | Kitzbühel | Italy Adriano Panatta | Czechoslovakia Jan Kodeš | 2–6, 6–2, 7–5, 6–4 |
| 1976 | Kitzbühel | Spain Manuel Orantes | Czechoslovakia Jan Kodeš | 7–6, 6–2, 7–6 |
| 1977 | Kitzbühel | Argentina Guillermo Vilas | Czechoslovakia Jan Kodeš | 5–7, 6–2, 4–6, 6–3, 6–2 |
| 1978 | Kitzbühel | New Zealand Chris Lewis | Czechoslovakia Vladimír Zedník | 6–1, 6–4, 6–0 |
| 1979 | Kitzbühel | United States Vitas Gerulaitis | Czechoslovakia Pavel Složil | 6–2, 6–2, 6–4 |
| 1980 | Kitzbühel | Argentina Guillermo Vilas | Czechoslovakia Ivan Lendl | 6–3, 6–2, 6–2 |
| 1981 | Kitzbühel | Australia John Fitzgerald | Argentina Guillermo Vilas | 3–6, 6–3, 7–5 |
| 1982 | Kitzbühel | Argentina Guillermo Vilas | Brazil Marcos Hocevar | 7–6, 6–1 |
| 1983 | Kitzbühel | Argentina Guillermo Vilas | France Henri Leconte | 7–6, 4–6, 6–4 |
| 1984 | Kitzbühel | Spain José Higueras | Paraguay Víctor Pecci | 7–5, 3–6, 6–1 |
| 1985 | Kitzbühel | Czechoslovakia Pavel Složil | Germany Michael Westphal | 7–5, 6–2 |
| 1986 | Kitzbühel | Czechoslovakia Miloslav Mečíř | Ecuador Andrés Gómez | 6–4, 4–6, 6–1, 2–6, 6–3 |
| 1987 | Kitzbühel | Spain Emilio Sánchez | Czechoslovakia Miloslav Mečíř | 6–4, 6–1, 4–6, 6–1 |
| 1988 | Kitzbühel | Sweden Kent Carlsson | Spain Emilio Sánchez | 6–1, 6–1, 4–6, 4–6, 6–3 |
| 1989 | Kitzbühel | Spain Emilio Sánchez | Argentina Martín Jaite | 7–6, 6–1, 2–6, 6–2 |
| ↓ ATP Tour 250 ↓ |
| 1990 | Kitzbühel | Argentina Horacio de la Peña | Czechoslovakia Karel Nováček | 6–4, 7–6, 2–6, 6–2 |
| 1991 | Kitzbühel | Czechoslovakia Karel Nováček | Sweden Magnus Gustafsson | 7–6(7–2), 7–6(7–4), 6–2 |
| 1992 | Kitzbühel | United States Pete Sampras | Argentina Alberto Mancini | 6–3, 7–5, 6–3 |
| 1993 | Kitzbühel | Austria Thomas Muster | Spain Javier Sánchez | 6–3, 7–5, 6–4 |
| 1994 | Kitzbühel | Croatia Goran Ivanišević | France Fabrice Santoro | 6–2, 4–6, 4–6, 6–3, 6–2 |
| 1995 | Kitzbühel | Spain Albert Costa | Austria Thomas Muster | 4–6, 6–4, 7–6(7–3), 2–6, 6–4 |
| 1996 | Kitzbühel | Spain Alberto Berasategui | Spain Àlex Corretja | 6–2, 6–4, 6–4 |
| 1997 | Kitzbühel | Belgium Filip Dewulf | Spain Julián Alonso | 7–6(7–2), 6–4, 6–1 |
| 1998 | Kitzbühel | Spain Albert Costa | Italy Andrea Gaudenzi | 6–2, 1–6, 6–2, 3–6, 6–1 |
| ↓ ATP Tour 500 ↓ |
| 1999 | Kitzbühel | Spain Albert Costa | Spain Fernando Vicente | 7–5, 6–2, 6–7(5–7), 7–6(7–4) |
| 2000 | Kitzbühel | Spain Àlex Corretja | Spain Emilio Benfele Álvarez | 6–3, 6–1, 3–0, ret. |
| 2001 | Kitzbühel | Ecuador Nicolás Lapentti | Spain Albert Costa | 1–6, 6–4, 7–5, 7–5 |
| 2002 | Kitzbühel | Spain Àlex Corretja | Spain Juan Carlos Ferrero | 6–4, 6–1, 6–3 |
| 2003 | Kitzbühel | Argentina Guillermo Coria | Chile Nicolás Massú | 6–1, 6–4, 6–2 |
| 2004 | Kitzbühel | Chile Nicolás Massú | Argentina Gastón Gaudio | 7–6(7–3), 6–4 |
| 2005 | Kitzbühel | Argentina Gastón Gaudio | Spain Fernando Verdasco | 2–6, 6–2, 6–4, 6–4 |
| 2006 | Kitzbühel | Argentina Agustín Calleri | Argentina Juan Ignacio Chela | 7–6(11–9), 6–2, 6–3 |
| 2007 | Kitzbühel | Argentina Juan Mónaco | Italy Potito Starace | 5–7, 6–3, 6–4 |
| 2008 | Kitzbühel | Argentina Juan Martín del Potro | Austria Jürgen Melzer | 6–2, 6–1 |
| ↓ ATP Tour 250 ↓ |
| 2009 | Kitzbühel | Spain Guillermo García López | France Julien Benneteau | 3–6, 7–6(7–1), 6–3 |
| ↓ ATP Challenger Tour ↓ |
| 2010 | Kitzbühel | Italy Andreas Seppi | Romania Victor Crivoi | 6–2, 6–1 |
| ↓ ATP Tour 250 ↓ |
| 2011 | Kitzbühel | Netherlands Robin Haase | Spain Albert Montañés | 6–4, 4–6, 6–1 |
| 2012 | Kitzbühel | Netherlands Robin Haase | Germany Philipp Kohlschreiber | 6–7(2–7), 6–3, 6–2 |
| 2013 | Kitzbühel | Spain Marcel Granollers | Argentina Juan Mónaco | 0–6, 7–6(7–3), 6–4 |
| 2014 | Kitzbühel | Belgium David Goffin | Austria Dominic Thiem | 4–6, 6–1, 6–3 |
| 2015 | Kitzbühel | Germany Philipp Kohlschreiber | France Paul-Henri Mathieu | 2–6, 6–2, 6–2 |
| 2016 | Kitzbühel | Italy Paolo Lorenzi | Georgia (country) Nikoloz Basilashvili | 6–3, 6–4 |
| 2017 | Kitzbühel | Germany Philipp Kohlschreiber | Portugal João Sousa | 6–3, 6–4 |
| 2018 | Kitzbühel | Slovakia Martin Kližan | Uzbekistan Denis Istomin | 6–2, 6–2 |
| 2019 | Kitzbühel | Austria Dominic Thiem | Spain Albert Ramos Viñolas | 7–6(7–0), 6–1 |
| 2020 | Kitzbühel | Serbia Miomir Kecmanović | Germany Yannick Hanfmann | 6–4, 6–4 |
| 2021 | Kitzbühel | Norway Casper Ruud | Spain Pedro Martínez | 6–1, 4–6, 6–3 |
| 2022 | Kitzbühel | Spain Roberto Bautista Agut | Austria Filip Misolic | 6–2, 6–2 |
| 2023 | Kitzbühel | Argentina Sebastián Báez | Austria Dominic Thiem | 6–3, 6–1 |
| 2024 | Kitzbühel | Italy Matteo Berrettini | France Hugo Gaston | 7–5, 6–3 |
| 2025 | Kitzbühel | Kazakhstan Alexander Bublik | France Arthur Cazaux | 6–4, 6–3 |