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]