 Details | Clay | 2023 | Alexander ZVEREV | | 7–5 6–3 | Laslo DJERE | | 23–30 Jul | |
| Details | Clay | 2022 | Lorenzo MUSETTI | | 6–4 6–7(6) 6–4 | Carlos ALCARAZ | | 17–24 Jul | |
| Details | Clay | 2021 | Pablo CARREÑO BUSTA | | 6–2 6–4 | Filip KRAJINOVIĆ | | 12–18 Jul | |
| Details | | 2020 | Andrey RUBLEV | | 6–4 3–6 7–5 | Stefanos TSITSIPAS | | 20–27 Sep | |
| Details | | 2019 | Nikoloz BASILASHVILI | | 7–5 4–6 6–3 | Andrey RUBLEV | | 22–28 Jul | |
| Details | | 2018 | Nikoloz BASILASHVILI | | 6–4 0–6 7–5 | Leonardo MAYER | | 23–29 Jul | |
| Details | | 2017 | Leonardo MAYER | | 6–4 4–6 6–3 | Florian MAYER | | | |
| Details | | 2016 | Martin KLIŽAN | | 6–1 6–4 | Pablo CUEVAS | | | |
| Details | | 2015 | Rafael NADAL | | 7–5 7–5 | Fabio FOGNINI | | | |
| Details | | 2014 | Leonardo MAYER | | 6–7(3) 6–1 7–6(4) | David FERRER | | | |
| Details | | 2013 | Fabio FOGNINI | | 4–6 7–6(8) 6–2 | Federico DELBONIS | | | |
| Details | | 2012 | Juan MÓNACO | | 7–5 6–4 | Tommy HAAS | | | |
| Details | | 2011 | Gilles SIMON | | 6–4 4–6 6–4 | Nicolás ALMAGRO | | | |
| Details | | 2010 | Andrey GOLUBEV | | 6–3 7–5 | Jürgen MELZER | | | |
| Details | | 2009 | Nikolay DAVYDENKO | | 6–4 6–2 | Paul-Henri MATHIEU | | | |
| Details | | 2008 | Rafael NADAL | | 7–5 6–7 6–3 | Roger FEDERER | | | |
| Details | | 2007 | Roger FEDERER | | 2–6 6–2 6–0 | Rafael NADAL | | | |
| Details | | 2006 | Tommy ROBREDO | | 6–1 6–3 6–3 | Radek ŠTĚPÁNEK | | | |
| Details | | 2005 | Roger FEDERER | | 6–3 7–5 7–6 | Richard GASQUET | | | |
| Details | Clay | 2004 | Roger FEDERER | | 4–6 6–4 6–2 6–3 | Guillermo CORIA | | 16 May | |
| Details | Clay | 2003 | Guillermo CORIA | | 6–3 6–4 6–4 | Agustin CALLERI | | 18 May | |
| Details | Clay | 2002 | Roger FEDERER | | 6–1 6–3 6–4 | Marat SAFIN | | 19 May | |
| Details | Clay | 2001 | Albert PORTAS | | 4–6 6–2 0–6 7–6 7–5 | Juan Carlos FERRERO | | 20 May | |
| Details | Clay | 2000 | Gustavo KUERTEN | | 6–4 5–7 6–4 5–7 7–6 | Marat SAFIN | | 21 May | |
| Details | Clay | 1999 | Marcelo RIOS | | 6–7 7–5 5–7 7–6 6–2 | Mariano ZABALETA | | 9 May | |
| Details | Clay | 1998 | Albert COSTA | | 6–2 6–0 1–0 ab. | Àlex CORRETJA | | 10 May | |
| Details | Clay | 1997 | Andrei MEDVEDEV | | 6–0 6–4 6–2 | Félix MANTILLA | | 11 May | |
| Details | Clay | 1996 | Roberto CARRETERO | | 2–6 6–4 6–4 6–4 | Àlex CORRETJA | | 12 May | |
| Details | Clay | 1995 | Andrei MEDVEDEV | | 6–3 6–2 6–1 | Goran IVANIŠEVIĆ | | 14 May | |
| Details | Clay | 1994 | Andrei MEDVEDEV | | 6–4 6–4 3–6 6–3 | Yevgeni KAFELNIKOV | | 8 May | |
| Details | Clay | 1993 | Michael STICH | | 6–3 6–7 7–6 6–4 | Andrei CHESNOKOV | | 9 May | |
| Details | Clay | 1992 | Stefan EDBERG | | 5–7 6–4 6–1 | Michael STICH | | 10 May | |
| Details | Clay | 1991 | Karel NOVACEK | | 6–3 6–3 5–7 0–6 6–1 | Magnus GUSTAFSSON | | 12 May | |
| Details | Clay | 1990 | Juan AGUILERA | | 6–1 6–0 7–6 | Boris BECKER | | 13 May | |
