Geneva Open, 1980'den 1991'e kadar her yıl İsviçre'nin Cenevre kentinde toprak kortlarda düzenlenen ATP Tour'a (eski Grand Prix) bağlı bir tenis turnuvasıdır. Kasım 2014'te ATP, Düsseldorf turnuvasının Cenevre'ye taşınacağını ve 2015'te 250 turnuva olarak yapılacağını duyurdu. Mats Wilander, Stan Wawrinka ve Casper Ruud, her biri arka arkaya iki kez kazanan tekler rekoru sahipleri. Mate Pavić, ikisi Oliver Marach ve biri Nikola Mektić ile olmak üzere üç galibiyetle çiftlerde rekor sahibi. Balázs Taróczy, aynı yıl hem tekler hem de çiftler şampiyonluğu kazanan tek oyuncu.
| Sene | Şampiyon | Finalist | Final Skor |
|---|---|---|---|
| 1980 | Balázs Taróczy | Adriano Panatta | 6–3, 6–2 |
| 1981 | Björn Borg | Tomáš Šmíd | 6–4, 6–3 |
| 1982 | Mats Wilander | Tomáš Šmíd | 7–5, 4–6, 6–4 |
| 1983 | Mats Wilander | Henrik Sundström | 3–6, 6–1, 6–3 |
| 1984 | Aaron Krickstein | Henrik Sundström | 6–7, 6–1, 6–4 |
| 1985 | Tomáš Šmíd | Mats Wilander | 6–4, 6–4 |
| 1986 | Henri Leconte | Thierry Tulasne | 7–5, 6–3 |
| 1987 | Claudio Mezzadri | Tomáš Šmíd | 6–4, 7–5 |
| 1988 | Marián Vajda | Kent Carlsson | 6–4, 6–4 |
| 1989 | Marc Rosset | Guillermo Pérez Roldán | 6–4, 7–5 |
| 1990 | Horst Skoff | Sergi Bruguera | 7–6, 7–6 |
| 1991 | Thomas Muster | Horst Skoff | 6–2, 6–4 |
| 1992–2014 | Challenger tournament | ||
| 2015 | Thomaz Bellucci | João Sousa | 7–6 (7–4) , 6–4 |
| 2016 | Stan Wawrinka | Marin Čilić | 6–4, 7–6 (13–11) |
| 2017 | Stan Wawrinka | Mischa Zverev | 4–6, 6–3, 6–3 |
| 2018 | Márton Fucsovics | Peter Gojowczyk | 6–2, 6–2 |
| 2019 | Alexander Zverev | Nicolás Jarry | 6–3, 3–6, 7–6(10–8) |
| 2020 | COVİD-19 nedeniyle yapılmadı. | ||
| 2021 | Casper Ruud (Norveç) | Denis Shapovalov (Kanada) | 7–6(8–6), 6–4 |
| 2022 | Casper Ruud (Norveç) | João Sousa (Portekiz) | 7–6(7–3), 4–6, 7–6(7–1) |
| 2023 | |||
| Doubles | |||
| Year | Champions | Runners-up | Score |
| 1980 | Željko Franulović | Heinz Günthardt | 6–4, 4–6, 6–4 |
| Balázs Taróczy | Markus Günthardt | ||
| 1981 | Heinz Günthardt | Pavel Složil | 6–4, 3–6, 6–2 |
| Balázs Taróczy | Tomáš Šmíd | ||
| 1982 | Pavel Složil | Carl Limberger | 6–4, 6–0 |
| Tomáš Šmíd | Mike Myburg | ||
| 1983 | Stanislav Birner | Joakim Nyström | 6–1, 2–6, 6–3 |
| Blaine Willenborg | Mats Wilander | ||
| 1984 | Michael Mortensen | Libor Pimek | 6–1, 3–6, 7–5 |
| Mats Wilander | Tomáš Šmíd | ||
| 1985 | Sergio Casal | Carlos Kirmayr | 6–4, 4–6, 7–5 |
| Emilio Sánchez | Cassio Motta | ||
| 1986 | Andreas Maurer | Gustavo Luza | 6–4, 3–6, 6–4 |
| Jörgen Windahl | Gustavo Tiberti | ||
| 1987 | Ricardo Acioly | Mansour Bahrami | 3–6, 6–4, 6–2 |
| Luiz Mattar | Diego Pérez | ||
| 1988 | Mansour Bahrami | Gustavo Luza | 6–4, 6–3 |
| Tomáš Šmíd | Guillermo Pérez Roldán | ||
| 1989 | Andrés Gómez | Mansour Bahrami | 6–3, 7–5 |
| Alberto Mancini | Guillermo Pérez Roldán | ||
| 1990 | Pablo Albano | Neil Borwick | 6–3, 7–6 |
| David Engel | David Lewis | ||
| 1991 | Sergi Bruguera | Per Henricsson | 3–6, 6–3, 6–2 |
| Marc Rosset | Ola Jonsson | ||
| 1992–2014 | Challenger tournament | ||
| 2015 | Juan Sebastián Cabal | Raven Klaasen | 7–5, 4–6, [10–7] |
| Robert Farah | Lu Yen-hsun Raven Klaasen | ||
| 2016 | Steve Johnson Sam Querrey | Raven Klaasen Rajeev Ram | 6–4, 6–1 |
| 2017 | Jean-Julien Rojer Horia Tecău | Juan Sebastián Cabal Robert Farah | 2–6, 7–6 (11–9) , [10–6] |
| 2018 | Oliver Marach (Avusturya) Mate Pavić (Hırvatistan) | Ivan Dodig Rajeev Ram | 3–6, 7–6 (7–3) , [11–9] |
| 2019 | Oliver Marach (Avusturya) Mate Pavić (Hırvatistan) | Matthew Ebden Robert Lindstedt | 6–4, 6–4 |
| 2020 | COVİD-19 nedeniyle yapılmadı. | ||
| 2021 | John Peers (Yeni Zelenda) Michael Venus (Yeni Zelenda) | Simone Bolelli (İtalya) Máximo González (Arjantin) | 6–2, 7–5 |
| 2022 | Nikola Mektić (Hırvatistan) Mate Pavić (Hırvatistan) | Pablo Andújar (İspanya) Matwé Middelkoop (Hollanda) | 2–6, 6–2, [10–3] |
| 2023 |