BOSS OPEN
StuttgartGrass2502023
June 12, 2023 – June 18, 2023$718,410
Draw & Results
Finals
| Winner | Score | Loser | W Rank | L Rank | Duration |
|---|---|---|---|---|---|
| Frances Tiafoe(USA) | 4-6, 7-6, 7-6 | Jan-Lennard Struff(GER) | #12 | #24 | 02:10:00m |
Semi-Finals
| Winner | Score | Loser | W Rank | L Rank | Duration |
|---|---|---|---|---|---|
| Jan-Lennard Struff(GER) | 3-6, 6-3, 6-3 | Hubert Hurkacz(POL) | #24 | #14 | 01:26:00m |
| Frances Tiafoe(USA) | 6-3, 7-6 | Marton Fucsovics(HUN) | #12 | #86 | 01:36:00m |
Quarter-Finals
| Winner | Score | Loser | W Rank | L Rank | Duration |
|---|---|---|---|---|---|
| Jan-Lennard Struff(GER) | 6-4, 7-5 | Richard Gasquet(FRA) | #24 | #55 | 01:14:00m |
| Hubert Hurkacz(POL) | 6-4, 6-4 | Christopher O'Connell(AUS) | #14 | #74 | 01:26:00m |
| Frances Tiafoe(USA) | 6-7, 7-6, 6-2 | Lorenzo Musetti(ITA) | #12 | #17 | 02:41:00m |
| Marton Fucsovics(HUN) | 6-4, 7-5 | Taylor Fritz(USA) | #86 | #8 | 01:41:00m |
Round of 16
| Winner | Score | Loser | W Rank | L Rank | Duration |
|---|---|---|---|---|---|
| Richard Gasquet(FRA) | 7-6, 2-6, 7-5 | Stefanos Tsitsipas(GRE) | #55 | #5 | 02:18:00m |
| Jan-Lennard Struff(GER) | 7-6, 7-6 | Tommy Paul(USA) | #24 | #16 | 01:30:00m |
| Hubert Hurkacz(POL) | 4-6, 7-6, 7-6 | Yosuke Watanuki(JPN) | #14 | #121 | 02:23:00m |
| Christopher O'Connell(AUS) | 7-6, 6-3 | Lorenzo Sonego(ITA) | #74 | #41 | 01:53:00m |
| Lorenzo Musetti(ITA) | 6-3, 6-3 | Gregoire Barrere(FRA) | #17 | #58 | 01:36:00m |
| Frances Tiafoe(USA) | 7-6, 6-4 | Jiri Lehecka(CZE) | #12 | #37 | 01:17:00m |
| Marton Fucsovics(HUN) | 6-4, 4-6, 6-4 | Yibing Wu(CHN) | #86 | #64 | 02:06:00m |
| Taylor Fritz(USA) | 7-6, 6-3 | Aslan Karatsev(RUS) | #8 | #48 | 01:24:00m |
Round of 32
| Winner | Score | Loser | W Rank | L Rank | Duration |
|---|---|---|---|---|---|
| Richard Gasquet(FRA) | 7-6, 6-4 | Christopher Eubanks(USA) | #55 | #75 | 01:39:00m |
| Jan-Lennard Struff(GER) | 6-1, 6-4 | Zhizhen Zhang(CHN) | #24 | #56 | 00:58:00m |
| Tommy Paul(USA) | 6-3, 6-4 | Benjamin Bonzi(FRA) | #16 | #76 | 01:04:00m |
| Yosuke Watanuki(JPN) | 7-6, 6-3 | Feliciano Lopez(ESP) | #121 | #580 | 01:32:00m |
| Christopher O'Connell(AUS) | 6-3, 6-1 | Daniel Altmaier(GER) | #74 | #59 | 00:56:00m |
| Lorenzo Sonego(ITA) | 6-1, 6-2 | Matteo Berrettini(ITA) | #41 | #21 | 01:11:00m |
| Lorenzo Musetti(ITA) | 7-6, 6-3 | Borna Gojo(CRO) | #17 | #111 | 01:29:00m |
| Gregoire Barrere(FRA) | 6-4, 6-3 | Oscar Otte(GER) | #58 | #141 | 01:14:00m |
| Jiri Lehecka(CZE) | 4-6, 6-3, 6-4 | Marcos Giron(USA) | #37 | #57 | 01:45:00m |
| Yibing Wu(CHN) | 7-5, 6-3 | Nick Kyrgios(AUS) | #64 | #25 | 01:09:00m |
| Marton Fucsovics(HUN) | 3-6, 6-3, 6-4 | Denis Shapovalov(CAN) | #86 | #29 | 01:59:00m |
| Aslan Karatsev(RUS) | 7-6, 6-7, 7-5 | Corentin Moutet(FRA) | #48 | #77 | 03:10:00m |
2nd Round Qualifying
| Winner | Score | Loser | W Rank | L Rank | Duration |
|---|---|---|---|---|---|
| Christopher Eubanks(USA) | 7-6, 7-6 | Radu Albot(MDA) | #75 | #102 | 01:50:00m |
| Marton Fucsovics(HUN) | 6-4, 6-4 | Altug Celikbilek(TUR) | #86 | #213 | 01:09:00m |
| Yosuke Watanuki(JPN) | 7-5, 6-4 | Benjamin Hassan(LBN) | #121 | #295 | 01:35:00m |
| Borna Gojo(CRO) | 5-7, 7-6, 6-4 | Antoine Bellier(SUI) | #111 | #205 | 02:18:00m |
1st Round Qualifying
| Winner | Score | Loser | W Rank | L Rank | Duration |
|---|---|---|---|---|---|
| Christopher Eubanks(USA) | 4-6, 6-4, 6-2 | Benjamin Lock(ZIM) | #75 | #356 | 01:41:00m |
| Radu Albot(MDA) | 6-2, 6-0 | Hugo Gaston(FRA) | #102 | #137 | 00:49:00m |
| Marton Fucsovics(HUN) | 6-3, 6-1 | Louis Wessels(GER) | #86 | #344 | 01:08:00m |
| Altug Celikbilek(TUR) | 6-1, 6-4 | Max Hans Rehberg(GER) | #213 | #400 | 01:09:00m |
| Benjamin Hassan(LBN) | 7-6, 6-4 | Roman Safiullin(RUS) | #295 | #99 | 01:15:00m |
| Yosuke Watanuki(JPN) | 4-6, 7-5, 6-3 | Henri Squire(GER) | #121 | #316 | 01:44:00m |
| Borna Gojo(CRO) | 6-7, 6-4, 6-4 | Mats Rosenkranz(GER) | #111 | #498 | 01:49:00m |
| Antoine Bellier(SUI) | 6-3, 6-4 | Vladyslav Orlov(UKR) | #205 | #416 | 01:22:00m |
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 |