The 2025 BOSS Open was a men's
tennis
Tennis is a List of racket sports, racket sport that is played either individually against a single opponent (singles (tennis), singles) or between two teams of two players each (doubles (tennis), doubles). Each player uses a tennis racket st ...
tournament played on outdoor
grass court
A grass court is one of the types of tennis court on which the sport of tennis, originally known as "lawn tennis", is played. Grass courts are made of grasses in different compositions depending on the tournament.
While grass courts are more tra ...
s. It was the 47th edition of the
Stuttgart Open
The Stuttgart Open (sponsored since 2022 by Hugo Boss and called the BOSS Open) is an ATP Tour 250 series professional tennis tournament on the ATP Tour. From 1970 to 1989, the Stuttgart Open was a Grand Prix tennis circuit event. From 1990 to 19 ...
and an
ATP 250 tournament of the
2025 ATP Tour
The 2025 ATP Tour is the global elite men's professional tennis circuit organized by the Association of Tennis Professionals (ATP) for the 2025 tennis season. The 2025 ATP Tour calendar comprises the Grand Slam tournaments, supervised by the Int ...
. It was held at the
Tennis Club Weissenhof
The Tennis Club Weissenhof is a tennis complex in Stuttgart, Germany. The complex's tenant is MercedesCup.
See also
* List of tennis stadiums by capacity
The following is a list of notable tennis stadiums by capacity, that is the maximum ...
in
Stuttgart
Stuttgart (; ; Swabian German, Swabian: ; Alemannic German, Alemannic: ; Italian language, Italian: ; ) is the capital city, capital and List of cities in Baden-Württemberg by population, largest city of the States of Germany, German state of ...
, Germany, from 9 June until 15 June 2025.
Champions
Singles
*
Taylor Fritz
Taylor Harry Fritz (born October 28, 1997) is an American professional tennis player. He has a career-high singles ranking of world No. 4 by the Association of Tennis Professionals (ATP), achieved on November 18, 2024, and a doubles ranking of ...
def.
Alexander Zverev
Alexander "Sascha" Zverev (; born 20 April 1997) is a German professional tennis player and the current world No. 3. He has won 24 ATP Tour titles in singles and two in doubles, and has been runner-up at three Grand Slam (tennis)#Tournaments, ma ...
, 6–3, 7–6
(7–0)
Doubles
*
Santiago González /
Austin Krajicek
Austin Krajicek ( ; born June 16, 1990) is an American professional tennis player. He has been ranked as high as world No. 1 in doubles by the ATP in June 2023. He attained a career-high singles ranking of world No. 94 in October 2015.
A form ...
def.
Alex Michelsen
Alex T. Michelsen (born August 25, 2004) is an American professional tennis player. He has a career-high ATP singles ranking of world No. 32, achieved on March 3, 2025 and a doubles ranking of No. 71, achieved on June 16, 2025.
Junior career
Mi ...
/
Rajeev Ram
Rajeev Ram ( ; born March 18, 1984) is an American professional tennis player. He has been ranked world No. 1 in men's doubles by the Association of Tennis Professionals (ATP). Ram is a six-time major champion, having won the 2020 Australian O ...
, 6–4, 6–4
Point distribution
Singles main draw entrants
Seeds
*Rankings are as of 26 May 2025.
Other entrants
The following players received
wildcards into the main draw:
*
Justin Engel
Justin Engel (born 1 October 2007) is a German tennis player.
Engel has a career-high ATP singles ranking of world No. 235 achieved on 16 June 2025, and a best doubles ranking of No. 283 attained on 9 June 2025.
Career 2023: Maiden ITF title
In ...
*
Fabio Fognini
Fabio Fognini (; born 24 May 1987) is an Italian professional tennis player. He has a career-high Association of Tennis Professionals, ATP ranking of world No. 9 achieved on 15 July 2019. Fognini's most successful surface is Clay court#Red clay, ...
*
Jan-Lennard Struff
Jan-Lennard Struff (; born 25 April 1990) is a German professional tennis player. He reached his career-high Association of Tennis Professionals, ATP singles and doubles rankings of world No. 21 on 19 June 2023 and on 22 October 2018 respectively. ...
The following players received entry from the qualifying draw:
*
James Duckworth
*
Márton Fucsovics
Márton Fucsovics (, ; born 8 February 1992) is a Hungarian professional tennis player. He achieved a career-high ATP singles ranking of No. 31 on 4 March 2019. He is currently the No. 2 Hungarian player.
Early life
Fucsovics started playing t ...
*
Yannick Hanfmann
Yannick Hanfmann (born 13 November 1991) is a German professional tennis player. He has a career-high ATP singles ranking of world No. 45, achieved in July 2023, and a doubles ranking of No. 81, achieved in July 2024.
He is known for his powerfu ...
*
Pierre-Hugues Herbert
Pierre-Hugues Herbert (; born 18 March 1991) is a French professional tennis player. In doubles, he has completed the Grand Slam (tennis)#Career Grand Slam, Career Grand Slam with titles at the 2015 US Open – Men's doubles, 2015 US Open, the 20 ...
Withdrawals
*
Matteo Berrettini
Matteo Berrettini (; born 12 April 1996) is an Italian professional tennis player. He has been ATP rankings, ranked as high as world No. 6 in singles by the Association of Tennis Professionals (ATP), which he achieved in January 2022, and world N ...
→ replaced by
Roman Safiullin
Roman Rishatovich Safiullin (born 7 August 1997) is a Russian professional tennis player. Safiullin has a career high ATP singles ranking of world No. 36 achieved on 8 January 2024, and in doubles of world No. 151 achieved on 19 August 2024.
P ...
*
Nick Kyrgios
Nicholas Hilmy Kyrgios ( ; ; born 27 April 1995) is an Australian professional tennis player. Kyrgios has been ranked as high as world No. 13 in singles by the Association of Tennis Professionals (ATP), achieved on 24 October 2016. He has won se ...
→ replaced by
Corentin Moutet
Corentin Moutet (; born 19 April 1999) is a French professional tennis player. Moutet has a career high ATP singles ranking of world No. 51, attained on 7 November 2022. He also has a career high ATP doubles ranking of world No. 425, attained on ...
*
Lorenzo Musetti
Lorenzo Musetti (; born 3 March 2002) is an Italian professional tennis player. He has a career-high ATP rankings, ATP singles ranking of world No. 6, achieved on 9 June 2025 and a doubles ranking of No. 142, achieved on 1 April 2024. Musetti has ...
→ replaced by
Yoshihito Nishioka
is a Japanese professional tennis player. He has won three ATP Tour singles titles and achieved a career-high ATP singles ranking of world No. 24 on 19 June 2023.
He is currently the No. 2 Japanese player.
Personal life
Marriage
Nishioka marr ...
*
Tommy Paul → replaced by
Jacob Fearnley
Jacob Fearnley (born 15 July 2001) is a British professional tennis player. He has a career-high ATP singles ranking of world No. 49, achieved on 9 June 2025 and a doubles ranking of No. 238, achieved on 20 May 2024. He is the current British No ...
*
Frances Tiafoe
Frances Tiafoe Jr. ( ; born January 20, 1998) is an American professional tennis player. He reached his career high at world No. 10 in singles on June 19, 2023, becoming the first Sierra Leonean American man to be ranked in the top 10 by the ...
→ replaced by
Benjamin Bonzi
Benjamin Bonzi (; born 9 June 1996) is a French professional tennis player. Bonzi has a career-high ATP singles ranking of world No. 42 achieved on 6 February 2023. He also has a career high doubles ranking of world No. 121 achieved on 19 Septem ...
Doubles main draw entrants
Seeds
*Rankings are as of 26 May 2025.
Other entrants
The following pairs received wildcards into the doubles main draw:
*
Justin Engel
Justin Engel (born 1 October 2007) is a German tennis player.
Engel has a career-high ATP singles ranking of world No. 235 achieved on 16 June 2025, and a best doubles ranking of No. 283 attained on 9 June 2025.
Career 2023: Maiden ITF title
In ...
/
Jan-Lennard Struff
Jan-Lennard Struff (; born 25 April 1990) is a German professional tennis player. He reached his career-high Association of Tennis Professionals, ATP singles and doubles rankings of world No. 21 on 19 June 2023 and on 22 October 2018 respectively. ...
*
Yannick Hanfmann
Yannick Hanfmann (born 13 November 1991) is a German professional tennis player. He has a career-high ATP singles ranking of world No. 45, achieved in July 2023, and a doubles ranking of No. 81, achieved in July 2024.
He is known for his powerfu ...
/
Andreas Mies
Andreas Mies (; born 21 August 1990) is a German professional tennis player who specializes in doubles.
He is a two-time Grand Slam champion, having won the French Open doubles title in both 2019 and 2020 alongside compatriot Kevin Krawietz. The ...
Withdrawals
*
Marcelo Arévalo
Marcelo Arévalo González (; born October 17, 1990) is a Salvadoran professional tennis player. He is the current world No. 1 in doubles by the ATP, achieved on 11 November 2024 and has a career-high singles ranking of No. 139, attained in Ap ...
/
Mate Pavić
Mate Pavić (; born 4 July 1993) is a Croatian professional tennis player. He is the current world No. 1 in doubles by the ATP. Pavić is one of only six men to complete the Career Golden Slam in doubles.
He is a seven-time Grand Slam champio ...
→ replaced by
Jakob Schnaitter
Jakob Schnaitter (born 7 March 1996) is a German tennis player who specializes in doubles. He has a career high ATP doubles ranking of world No. 59, achieved on 21 April 2025.
Career
Schnaitter played college tennis at Azusa Pacific before play ...
/
Mark Wallner
Mark Wallner (born 20 July 1999) is a German tennis player who specializes in doubles.
He has a career high ATP doubles ranking of world No. 59, achieved on 21 April 2025.
Career
Wallner played college tennis at Temple University before transfer ...
*
Simone Bolelli
Simone Bolelli (; born 8 October 1985) is an Italian professional tennis player. He has a career-high ATP ranking in doubles of World No. 6 achieved on 13 January 2025 and in singles of No. 36 achieved on 23 February 2009. Bolelli is a Grand S ...
/
Andrea Vavassori
Andrea Vavassori (; born 5 May 1995) is an Italian professional tennis player. He has a career high ATP doubles ranking of world No. 6, achieved on 14 October 2024 and a singles ranking of world No. 128, achieved on 19 June 2023. Vavassori is a ...
→ replaced by
Sriram Balaji
Sriram Balaji (born 18 March 1990) is an Indian professional tennis player who specializes in doubles. He has a career high ATP doubles ranking of world No. 60, achieved on 31 March 2025 and a singles ranking of No. 287, achieved on 19 June 20 ...
/
Miguel Ángel Reyes-Varela
Miguel Ángel Reyes-Varela Martínez (; born June 21, 1987) is a Mexican professional tennis player who specializes in doubles. He has a career-high ATP doubles ranking of world No. 49, achieved on 20 August 2018. In singles his best ranking is N ...
*
Christian Harrison
Christian Harrison (born May 29, 1994) is an American professional tennis player who specializes in doubles. He has a career-high doubles ranking of world No. 19 achieved on 19 May 2025 and a singles ranking of No. 198 achieved on 2 July 2018. H ...
/
Evan King
Evan King (born March 25, 1992) is an American professional tennis player who specializes in doubles.
He has a career-high ATP doubles ranking of world No. 18, achieved on May 5, 2025 and a singles ranking of No. 185, achieved on April 23, 2018 ...
→ replaced by
Santiago González /
Austin Krajicek
Austin Krajicek ( ; born June 16, 1990) is an American professional tennis player. He has been ranked as high as world No. 1 in doubles by the ATP in June 2023. He attained a career-high singles ranking of world No. 94 in October 2015.
A form ...
*
Lorenzo Musetti
Lorenzo Musetti (; born 3 March 2002) is an Italian professional tennis player. He has a career-high ATP rankings, ATP singles ranking of world No. 6, achieved on 9 June 2025 and a doubles ranking of No. 142, achieved on 1 April 2024. Musetti has ...
/
Lorenzo Sonego
Lorenzo Sonego (; born 11 May 1995) is an Italian professional tennis player. Sonego has won four singles titles on the ATP Tour, and two doubles titles. He has a career high Association of Tennis Professionals, ATP singles ATP rankings, ranking o ...
→ replaced by
Matteo Arnaldi
Matteo Arnaldi (born 22 February 2001) is an Italian professional tennis player. He has a career high ranking of world No. 30 in men's singles the Association of Tennis Professionals (ATP), achieved on 12 August 2024, and a career high doubles r ...
/
Lorenzo Sonego
Lorenzo Sonego (; born 11 May 1995) is an Italian professional tennis player. Sonego has won four singles titles on the ATP Tour, and two doubles titles. He has a career high Association of Tennis Professionals, ATP singles ATP rankings, ranking o ...
References
External links
*
{{2025 ATP Tour
Stuttgart Open
The Stuttgart Open (sponsored since 2022 by Hugo Boss and called the BOSS Open) is an ATP Tour 250 series professional tennis tournament on the ATP Tour. From 1970 to 1989, the Stuttgart Open was a Grand Prix tennis circuit event. From 1990 to 19 ...
Stuttgart Open
BOSS Open
BOSS Open