BOSS OPEN
StuttgartGrass2502025
June 9, 2025 – June 15, 2025$751,630
Draw & Results
Finals
| Winner | Score | Loser | W Rank | L Rank | Duration |
|---|---|---|---|---|---|
| Taylor Fritz(USA) | 6-3, 7-6 | Alexander Zverev(GER) | #7 | #3 | 01:25:00m |
Semi-Finals
| Winner | Score | Loser | W Rank | L Rank | Duration |
|---|---|---|---|---|---|
| Alexander Zverev(GER) | 7-6, 7-6 | Ben Shelton(USA) | #3 | #12 | 02:02:00m |
| Taylor Fritz(USA) | 6-4, 7-6 | Felix Auger-Aliassime(CAN) | #7 | #29 | 01:28:00m |
Quarter-Finals
| Winner | Score | Loser | W Rank | L Rank | Duration |
|---|---|---|---|---|---|
| Alexander Zverev(GER) | 7-5, 6-4 | Brandon Nakashima(USA) | #3 | #31 | 01:31:00m |
| Ben Shelton(USA) | 6-4, 6-4 | Jiri Lehecka(CZE) | #12 | #33 | 01:01:00m |
| Felix Auger-Aliassime(CAN) | 7-6, 6-3 | Justin Engel(GER) | #29 | #281 | 01:39:00m |
| Taylor Fritz(USA) | 6-3, 6-4 | Marton Fucsovics(HUN) | #7 | #112 | 01:16:00m |
Round of 16
| Winner | Score | Loser | W Rank | L Rank | Duration |
|---|---|---|---|---|---|
| Alexander Zverev(GER) | 6-2, 7-6 | Corentin Moutet(FRA) | #3 | #91 | 01:51:00m |
| Brandon Nakashima(USA) | 7-6, 6-3 | Learner Tien(USA) | #31 | #68 | 01:31:00m |
| Ben Shelton(USA) | 7-6, 7-5 | Pierre-Hugues Herbert(FRA) | #12 | #132 | 01:50:00m |
| Jiri Lehecka(CZE) | 6-4, 7-5 | Jan-Lennard Struff(GER) | #33 | #103 | 01:27:00m |
| Justin Engel(GER) | 6-4, 6-4 | Alex Michelsen(USA) | #281 | #35 | 01:17:00m |
| Felix Auger-Aliassime(CAN) | 6-4, 6-4 | Giovanni Mpetshi Perricard(FRA) | #29 | #36 | 01:17:00m |
| Marton Fucsovics(HUN) | 7-6, 6-3 | Arthur Rinderknech(FRA) | #112 | #81 | 01:32:00m |
| Taylor Fritz(USA) | 6-3, 7-6 | Quentin Halys(FRA) | #7 | #47 | 01:23:00m |
Round of 32
| Winner | Score | Loser | W Rank | L Rank | Duration |
|---|---|---|---|---|---|
| Corentin Moutet(FRA) | 6-4, 6-7, 6-3 | Fabio Fognini(ITA) | #91 | #117 | 02:11:00m |
| Learner Tien(USA) | 6-7, 7-6 | Yoshihito Nishioka(JPN) | #68 | #78 | 01:45:00m |
| Brandon Nakashima(USA) | 4-6, 7-6, 6-1 | Jacob Fearnley(GBR) | #31 | #49 | 01:54:00m |
| Pierre-Hugues Herbert(FRA) | 6-4, 3-0 | Damir Dzumhur(BIH) | #132 | #67 | 00:55:00m |
| Jan-Lennard Struff(GER) | 6-4, 6-4 | Matteo Arnaldi(ITA) | #103 | #41 | 01:14:00m |
| Jiri Lehecka(CZE) | 6-4, 6-4 | Benjamin Bonzi(FRA) | #33 | #61 | 01:16:00m |
| Alex Michelsen(USA) | 6-4, 4-6, 6-3 | Gael Monfils(FRA) | #35 | #42 | 01:45:00m |
| Justin Engel(GER) | 4-6, 6-4, 7-6 | James Duckworth(AUS) | #281 | #94 | 02:30:00m |
| Giovanni Mpetshi Perricard(FRA) | 7-6, 3-6, 7-5 | Roman Safiullin(RUS) | #36 | #74 | 02:16:00m |
| Arthur Rinderknech(FRA) | 6-4, 2-6, 6-0 | Denis Shapovalov(CAN) | #81 | #30 | 01:42:00m |
| Marton Fucsovics(HUN) | 7-5, 6-4 | Yannick Hanfmann(GER) | #112 | #135 | 01:36:00m |
| Quentin Halys(FRA) | 6-7, 7-5, 6-4 | Lorenzo Sonego(ITA) | #47 | #45 | 02:40:00m |
2nd Round Qualifying
| Winner | Score | Loser | W Rank | L Rank | Duration |
|---|---|---|---|---|---|
| James Duckworth(AUS) | 6-7, 7-6, 6-3 | Nikoloz Basilashvili(GEO) | #94 | #120 | 02:09:00m |
| Pierre-Hugues Herbert(FRA) | 6-3, 6-7, 6-1 | Li Tu(AUS) | #132 | #167 | 02:01:00m |
| Yannick Hanfmann(GER) | 7-6, 6-4 | Tristan Boyer(USA) | #135 | #115 | 02:13:00m |
| Marton Fucsovics(HUN) | 6-7, 6-3, 6-2 | Beibit Zhukayev(KAZ) | #112 | #246 | 01:42:00m |
1st Round Qualifying
| Winner | Score | Loser | W Rank | L Rank | Duration |
|---|---|---|---|---|---|
| James Duckworth(AUS) | 6-3, 7-6 | Benjamin Hassan(LBN) | #94 | #191 | 01:41:00m |
| Nikoloz Basilashvili(GEO) | 2-6, 7-6, 6-2 | Hugo Grenier(FRA) | #120 | #176 | 02:04:00m |
| Li Tu(AUS) | 6-4, 7-5 | Eliot Spizzirri(USA) | #167 | #114 | 01:15:00m |
| Pierre-Hugues Herbert(FRA) | 6-1, 6-1 | Maximilian Marterer(GER) | #132 | #259 | 00:53:00m |
| Tristan Boyer(USA) | 6-7, 7-6, 7-6 | Duje Ajdukovic(CRO) | #115 | #181 | 02:49:00m |
| Yannick Hanfmann(GER) | 6-4, 6-2 | Max Wiskandt(GER) | #135 | #417 | 01:07:00m |
| Marton Fucsovics(HUN) | 6-4, 6-7, 7-5 | Patrick Zahraj(GER) | #112 | #275 | 02:43:00m |
| Beibit Zhukayev(KAZ) | 6-3, 5-7, 6-4 | Marc-Andrea Huesler(SUI) | #246 | #161 | 01:40:00m |
Past Winners
| Year | Winner | Country | Surface |
|---|---|---|---|
| 2025 | Taylor Fritz | USA | Grass |
| 2024 | Jack Draper | GBR | Grass |
| 2023 | Frances Tiafoe | USA | Grass |
| 2022 | Matteo Berrettini | ITA | Grass |
| 2021 | Marin Cilic | CRO | Grass |
| 2019 | Matteo Berrettini | ITA | Grass |
| 2018 | Roger Federer | SUI | Grass |
| 2017 | Lucas Pouille | FRA | Grass |
| 2016 | Dominic Thiem | AUT | Grass |
| 2015 | Rafael Nadal | ESP | Grass |
| 2014 | Roberto Bautista Agut | ESP | Clay |
| 2013 | Fabio Fognini | ITA | Clay |
| 2012 | Janko Tipsarevic | SRB | Clay |
| 2011 | Juan Carlos Ferrero | ESP | Clay |
| 2010 | Albert Montanes | ESP | Clay |
| 2009 | Jeremy Chardy | FRA | Clay |
| 2008 | Juan Martin del Potro | ARG | Clay |
| 2007 | Rafael Nadal | ESP | Clay |
| 2006 | David Ferrer | ESP | Clay |
| 2005 | Rafael Nadal | ESP | Clay |
| 2004 | Guillermo Canas | ARG | Clay |
| 2003 | Guillermo Coria | ARG | Clay |
| 2002 | Mikhail Youzhny | RUS | Clay |
| 2001 | Gustavo Kuerten | BRA | Clay |
| 2000 | Franco Squillari | ARG | Clay |
| 1999 | Magnus Norman | SWE | Clay |
| 1998 | Gustavo Kuerten | BRA | Clay |
| 1997 | — | — | Clay |
| 1996 | Thomas Muster | AUT | Clay |
| 1995 | Thomas Muster | AUT | Clay |
| 1994 | — | — | Clay |
| 1993 | — | — | Clay |
| 1992 | — | — | Clay |
| 1991 | — | — | Clay |