| Geneva Open | |
| Event Name: | Geneva Open(1980–1991; 2015–present) |
| Tour: | ATP Tour (1990–91; 2015–present) Grand Prix circuit (1980–1989) |
| Founded: | 1980 |
| Editions: | 21 (2024) |
| Location: | Geneva, Switzerland |
| Venue: | Tennis Club de Genève |
| Surface: | Clay (1980–1991; 2015–present) |
| Draw: | 28S / 16Q / 16D |
| Prize Money: | €597,900 (2022) |
| Website: | Official website |
| Singles: |  Casper Ruud |
| Doubles: |  Marcelo ArévaloMate Pavić |
The Geneva Open is an ATP Tour (formerly Grand Prix) affiliated tennis tournament that was held annually from 1980 to 1991 in Geneva, Switzerland on clay courts.In November 2014 the ATP announced that the Düsseldorf tournament would be moved to Geneva where it would be held in 2015 as a 250 tournament.
Casper Ruud is the singles record-holder, with three editions won.Mate Pavić is the doubles record-holder with four wins, two with Oliver Marach and one with Nikola Mektić, and one with Marcelo Arévalo.
Balázs Taróczy is the only player to win both singles and doubles title the same year.
| Year | Champions | Runners-up | Score | |
|---|---|---|---|---|
| 1980 | 6–3, 6–2 | |||
| 1981 | 6–4, 6–3 | |||
| 1982 | 7–5, 4–6, 6–4 | |||
| 1983 |  Mats Wilander (2) | 3–6, 6–1, 6–3 | ||
| 1984 | 6–7, 6–1, 6–4 | |||
| 1985 | 6–4, 6–4 | |||
| 1986 | 7–5, 6–3 | |||
| 1987 | 6–4, 7–5 | |||
| 1988 | 6–4, 6–4 | |||
| 1989 | 6–4, 7–5 | |||
| 1990 | 7–6, 7–6 | |||
| 1991 | 6–2, 6–4 | |||
| 1992–2014 | Challenger tournament | |||
| 7–6(7–4), 6–4 | ||||
| 6–4, 7–6(13–11) | ||||
| Stan Wawrinka (2) | 4–6, 6–3, 6–3 | |||
| 6–2, 6–2 | ||||
| 6–3, 3–6, 7–6(10–8) | ||||
| style=background: | 2020 | Not held due to COVID-19 pandemic | ||
| 7–6(8–6), 6–4 | ||||
| Casper Ruud (2) | 7–6(7–3), 4–6, 7–6(7–1) | |||
| 7–6(7–1), 6–1 | ||||
| Casper Ruud (3) | 7–5, 6–3 |
| Year | Champions | Runners-up | Score | |
|---|---|---|---|---|
Željko Franulović  Balázs Taróczy (1) | 6–4, 4–6, 6–4 | |||
| Heinz Günthardt Balázs Taróczy (2) | 6–4, 3–6, 6–2 | |||
| Pavel Složil Tomáš Šmíd (1) | 6–4, 6–0 | |||
| 6–1, 2–6, 6–3 | ||||
| Michael Mortensen Mats Wilander | 6–1, 3–6, 7–5 | |||
| 6–4, 4–6, 7–5 | ||||
| 6–4, 3–6, 6–4 | ||||
| 3–6, 6–4, 6–2 | ||||
 Mansour Bahrami Tomáš Šmíd (2) | 6–4, 6–3 | |||
| 6–3, 7–5 | ||||
| 6–3, 7–6 | ||||
| Per Henricsson Ola Jonsson | 3–6, 6–3, 6–2 | |||
| 1992–2014 | Challenger tournament | |||
| 7–5, 4–6, [10–7] | ||||
| 6–4, 6–1 | ||||
| 2–6, 7–6(11–9), [10–6] | ||||
 Oliver Marach (1)Mate Pavić (1) | 3–6, 7–6(7–3), [11–9] | |||
| Oliver Marach (2) Mate Pavić (2) | 6–4, 6–4 | |||
| style=background: | 2020 | Not held due to COVID-19 pandemic | ||
| 6–2, 7–5 | ||||
| Nikola Mektić Mate Pavić (3) | 2–6, 6–2, [10–3] | |||
 Jamie Murray Michael Venus (2) | 7–6(8–6), 7–6(7–3) | |||
| Marcelo Arévalo Mate Pavić (4) | 7–6(7–2), 7–5 |