| Year | Champions | Runners-up | Score |
|---|
| ↓ Grand Prix circuit ↓ |
| 1974 | Andrew Pattison
Raymond Moore | Bob Hewitt
Frew McMillan | 6–4, 5–7, 6–4 |
| 1975 | Not held |
| 1976 | Bob Hewitt
Frew McMillan | Brian Gottfried
Raúl Ramírez | 6–4, 4–0 ret. |
| 1977 | Bob Hewitt (2)
Frew McMillan (2) | Wojciech Fibak
Jan Kodeš | 6–4, 6–3 |
| 1978 | Víctor Pecci
Balázs Taróczy | Bob Hewitt
Frew McMillan | 6–3, 6–7, 6–4 |
| 1979 | Bob Hewitt (3)
Frew McMillan (3) | Brian Gottfried
Raúl Ramírez | 6–4, 3–6, 6–1 |
| 1980 | Stan Smith
Robert Lutz | Heinz Günthardt
Pavel Složil | 6–1, 6–2 |
| 1981 | Steve Denton
Tim Wilkison | Sammy Giammalva
Fred McNair | 4–6, 6–3, 6–4 |
| 1982 | Henri Leconte
Pavel Složil | Mark Dickson
Terry Moor | 6–1, 7–6 |
| 1983 | Stan Smith (2)
Mel Purcell | Marcos Hocevar
Cássio Motta | 6–3, 6–4 |
| 1984 | Wojciech Fibak
Sandy Mayer | Heinz Günthardt
Balázs Taróczy | 6–4, 6–4 |
| 1985 | Mike De Palmer
Gary Donnelly | Sergio Casal
Emilio Sánchez | 6–4, 6–3 |
| 1986 | Ricardo Acioly
Wojciech Fibak (2) | Brad Gilbert
Slobodan Živojinović | walkover |
| 1987 | Mel Purcell (2)
Tim Wilkison (2) | Emilio Sánchez
Javier Sánchez | 6–3, 7–5 |
| 1988 | Alex Antonitsch
Balázs Taróczy (2) | Kevin Curren
Tomáš Šmíd | 4–6, 6–3, 7–6 |
| 1989 | Jan Gunnarsson
Anders Järryd | Paul Annacone
Kelly Evernden | 6–2, 6–3 |
| ↓ ATP Tour 250[a] ↓ |
| 1990 | Udo Riglewski
Michael Stich | Jorge Lozano
Todd Witsken | 6–4, 6–4 |
| 1991 | Gary Muller
Anders Järryd (2) | Jakob Hlasek
Patrick McEnroe | 6–4, 7–5 |
| 1992 | Ronnie Båthman
Anders Järryd (3) | Kent Kinnear
Udo Riglewski | 6–3, 7–5 |
| 1993 | Byron Black
Jonathan Stark | Mike Bauer
David Prinosil | 6–3, 7–6 |
| 1994 | Mike Bauer
David Rikl | Alex Antonitsch
Greg Rusedski | 7–6, 6–4 |
| 1995 | Ellis Ferreira
Jan Siemerink | Todd Woodbridge
Mark Woodforde | 6–4, 7–5 |
| ↓ ATP Tour 500[b] ↓ |
| 1996 | Yevgeni Kafelnikov
Daniel Vacek | Pavel Vízner
Menno Oosting | 6–4, 7–5 |
| 1997 | Ellis Ferreira (2)
Patrick Galbraith | Marc-Kevin Goellner
David Prinosil | 6–3, 6–4 |
| 1998 | Yevgeni Kafelnikov (2)
Daniel Vacek (2) | David Adams
John-Laffnie de Jager | 7–5, 6–3 |
| 1999 | David Prinosil
Sandon Stolle | Piet Norval
Kevin Ullyett | 6–3, 6–4 |
| 2000 | Yevgeni Kafelnikov (3)
Nenad Zimonjić | Jiří Novák
David Rikl | 6–4, 6–4 |
| 2001 | Martin Damm
Radek Štěpánek | Jiří Novák
David Rikl | 6–3, 6–2 |
| 2002 | Joshua Eagle
Sandon Stolle (2) | Jiří Novák
Radek Štěpánek | 6–4, 6–3 |
| 2003 | Yves Allegro
Roger Federer | Mahesh Bhupathi
Max Mirny | 7–6(9–7), 7–5 |
| 2004 | Martin Damm (2)
Cyril Suk | Gastón Etlis
Martín Rodríguez | 6–7(4–7), 6–4, 7–6(7–4) |
| 2005 | Mark Knowles
Daniel Nestor | Jonathan Erlich
Andy Ram | 5–3, 5–4(7–2)[c] |
| 2006 | Petr Pála
Pavel Vízner | Julian Knowle
Jürgen Melzer | 6–4, 3–6, [12–10] |
| 2007 | Mariusz Fyrstenberg
Marcin Matkowski | Tomas Behrend
Christopher Kas | 6–4, 6–2 |
| 2008 | Max Mirny
Andy Ram | Philipp Petzschner
Alexander Peya | 6–1, 7–5 |
| ↓ ATP Tour 250 ↓ |
| 2009 | Łukasz Kubot
Oliver Marach | Julian Knowle
Jürgen Melzer | 2–6, 6–4, [11–9] |
| 2010 | Daniel Nestor (2)
Nenad Zimonjić (2) | Mariusz Fyrstenberg
Marcin Matkowski | 7–5, 3–6, [10–5] |
| 2011 | Bob Bryan
Mike Bryan | Max Mirny
Daniel Nestor | 7–6(12–10), 6–3 |
| 2012 | Andre Begemann
Martin Emmrich | Julian Knowle
Filip Polášek | 6–4, 3–6, [10–4] |
| 2013 | Florin Mergea
Lukáš Rosol | Julian Knowle
Daniel Nestor | 7–5, 6–4 |
| 2014 | Jürgen Melzer
Philipp Petzschner | Andre Begemann
Julian Knowle | 7–6(8–6), 4–6, [10–7] |
| ↓ ATP Tour 500 ↓ |
| 2015 | Łukasz Kubot (2)
Marcelo Melo | Jamie Murray
John Peers | 4–6, 7–6(7–3), [10–6] |
| 2016 | Łukasz Kubot (3)
Marcelo Melo (2) | Oliver Marach
Fabrice Martin | 4–6, 6–3, [13–11] |
| 2017 | Rohan Bopanna
Pablo Cuevas | Marcelo Demoliner
Sam Querrey | 7–6(9–7), 6–7(4–7), [11–9] |
| 2018 | Joe Salisbury
Neal Skupski | Mike Bryan
Édouard Roger-Vasselin | 7–6(7–5), 6–3 |
| 2019 | Rajeev Ram
Joe Salisbury (2) | Łukasz Kubot
Marcelo Melo | 6–4, 6–7(7–5), [10–5] |
| 2020 | Łukasz Kubot (4)
Marcelo Melo (3) | Jamie Murray
Neal Skupski | 7–6(7–5), 7–5 |
| 2021 | Juan Sebastián Cabal
Robert Farah | Rajeev Ram
Joe Salisbury | 6–4, 6–2 |
| 2022 | Alexander Erler
Lucas Miedler | Santiago González
Andrés Molteni | 6–3, 7–6(7–1) |
| 2023 | Rajeev Ram (2)
Joe Salisbury (3) | Nathaniel Lammons
Jackson Withrow | 6–4, 5–7, [12–10] |
| 2024 | Alexander Erler (2)
Lucas Miedler (2) | Neal Skupski
Michael Venus | 4–6, 6–3, [10–1] |