The 2023 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 45th edition of the Stuttgart Open, and part of the

ATP Tour 250 The ATP 250 tournaments (previously known as the ''ATP World Tour 250'' tournaments, ''ATP International Series'', and ''ATP World Series'') are the lowest tier of annual men's tennis tournaments on the main ATP Tour, after the four Grand Slam (t ...

series of the

2023 ATP Tour The 2023 ATP Tour was the global elite men's professional tennis circuit organised by the Association of Tennis Professionals (ATP) for the 2023 tennis season. The 2023 ATP Tour calendar comprised the Grand Slam tournaments, supervised by the I ...

. It was held at the Tennis Club Weissenhof 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 12 June until 18 June 2023.

Champions

Singles

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 ...

def.

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. ...

, 4–6, 7–6^(7–1), 7–6^(10–8)

Doubles

Nikola Mektić Nikola Mektić (born 24 December 1988) is a Croatian professional tennis player who is a former world No. 1 in doubles. He is a two-time Grand Slam champion, having won the 2021 Wimbledon Championships in men's doubles partnering compatriot Ma ...

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 ...

def.

Kevin Krawietz Kevin Krawietz (born 24 January 1992) is a German professional tennis player who specializes in doubles. He achieved his career-high doubles ranking of world No. 5 on 10 February 2025. Krawietz has won eleven doubles titles on the ATP Tour, inclu ...

Tim Pütz Tim Pütz (; born 19 November 1987) is a German professional tennis player who specializes in doubles. He reached his career-high doubles ranking of world No. 6 on 17 February 2025, and has won ten doubles titles on the ATP Tour, including the 2 ...

, 7–6^(7–2), 6–3

Point distribution

Singles main draw entrants

Seeds

*Rankings are as of 29 May 2023.

Other entrants

The following players received wildcards into the main draw: *

Feliciano López Feliciano López Díaz-Guerra (; born 20 September 1981) is a Spanish former professional tennis player. He achieved his career-high singles ATP rankings, ranking of world No. 12 in March 2015 and doubles ranking of world No. 9 in November 2016. ...

Oscar Otte Oscar Otte (; born 16 July 1993) is a German professional tennis player. He has been ranked as high as world No. 36 in singles by the Association of Tennis Professionals (ATP), which he achieved on 27 June 2022, and has a career-high doubles ra ...

Stefanos Tsitsipas Stefanos Tsitsipas (, ; born 12 August 1998) is a Greek professional tennis player. He has been ATP rankings, ranked as high as world No. 3 in men's singles by the Association of Tennis Professionals (ATP), first achieved in August 2021 – mak ...

The following players received entry from the qualifying draw: *

Christopher Eubanks Christopher Eubanks ( ; born May 5, 1996) is an American professional tennis player. He played college tennis for the Georgia Tech Yellow Jackets men's tennis, Georgia Tech Yellow Jackets. There, he was a two-time All-American and twice named A ...

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 ...

Borna Gojo Borna Gojo (; born 27 February 1998) is a Croatian professional tennis player. He has a career-high Association of Tennis Professionals, ATP singles ranking of world No. 72, achieved on 20 November 2023, and a doubles ranking of world No. 394 ach ...

Yosuke Watanuki is a Japanese professional tennis player. He has a career-high ATP ranking of World No. 72 achieved on 30 October 2023 and a doubles ranking of No. 374 achieved on 7 January 2019. He is currently the No. 6 Japanese player. Career 2016: Junior ...

Withdrawals

Alejandro Davidovich Fokina Alejandro Davidovich Fokina (born 5 June 1999) is a Spanish professional tennis player. He has a career-high ATP singles ranking of World No. 21 achieved on 21 August 2023 and a doubles ranking of No. 196 achieved on 21 February 2022. He is cur ...

→ 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 ...

Jack Draper Jack Alexander Draper (born 22 December 2001) is a British professional tennis player. He has a career-high ATP singles ranking of world No. 4, achieved on 9 June 2025 and a doubles ranking of No. 203, attained on 21 April 2025. Draper has wo ...

→ replaced by

Christopher O'Connell Christopher O'Connell (born 3 June 1994) is an Australian professional tennis player. O'Connell reached a career high ATP singles ranking of World No. 53 on 11 September 2023 and a doubles ranking of No. 460 on 25 April 2022. Personal life Hi ...

Grigor Dimitrov Grigor Dimitrov Dimitrov (, ; born 16 May 1991) is a Bulgarian professional tennis player. He has been ATP rankings, ranked as high as world No. 3 in singles by the Association of Tennis Professionals, ATP, making him the highest-ranked Bulgari ...

→ replaced by

Daniel Altmaier Daniel Altmaier (; born 12 September 1998) is a German professional tennis player. He has a career high ATP singles ranking of world No. 47, achieved on 2 October 2023. He is the current German No. 2. Personal life Altmaier's father Jurij is Ukr ...

Nicolás Jarry Nicolás Jarry Fillol (; born 10 October 1995) is a Chilean professional tennis player. He achieved his highest Association of Tennis Professionals, ATP singles ranking of world 16 in May 2024 and is the current No. 3 player from Chile. His hi ...

→ replaced by

Zhang Zhizhen Zhang Zhizhen (; ; born 16 October 1996) is a Chinese professional tennis player. He reached a career-high ATP singles ranking of world No. 31 in July 2024 and a doubles ranking of No. 47 in July 2024. As of July 2023, he became the highest-eve ...

Doubles main draw entrants

Seeds

*¹ Rankings are as of 29 May 2023.

Other entrants

The following pairs received wildcards into the doubles main draw: *

/ Dustin Brown *

Withdrawals

Nicolás Barrientos Nicolás Barrientos (; born 24 April 1987) is a Colombian professional tennis player who specializes in doubles. He reached his highest ATP doubles ranking of world No. 47 on 23 April 2024 and a singles ranking of No. 237 on 21 September 2015. Ba ...

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Romain Arneodo Romain Arneodo (born 4 August 1992) is a French-born Monégasque professional tennis player who specializes in doubles.(in FrenchRomain Arneodo pourra représenter Monaco en Coupe Davis sur ''codesport.fr'', 30 septembre 2013 He has a career-hig ...

Grégoire Barrère Grégoire Barrère (; born 16 February 1994) is a French former professional tennis player. He has a career high ATP singles ranking of No. 49, which was achieved on 3 July 2023. He also has a career-high ATP doubles ranking of No. 161 achieved ...

Julian Cash Julian Cash (born 29 August 1996) is a British tennis player who specialises in doubles. He has a career high ATP doubles ranking of world No. 15 achieved on 14 April 2025. Cash has won five ATP Tour doubles titles. He has also won 17 ATP Chal ...

Henry Patten Henry Patten (born 6 May 1996) is a British professional tennis player who specialises in doubles. He has been ranked by the ATP as high as world No. 3 in doubles, achieved on 27 January 2025. Patten is a two-time Grand Slam champion in double ...

→ replaced by

Aslan Karatsev Aslan Kazbekovich Karatsev (, ; born 4 September 1993) is a Russian professional tennis player. He reached a career-high singles ranking of world No. 14 on 7 February 2022, and peaked at No. 76 in the doubles rankings on 16 May 2022. Karatsev h ...

Jiří Lehečka Jiří Lehečka (; born 8 November 2001) is a Czech professional tennis player. He has a career-high ATP singles ranking of world No. 22, achieved on 24 February 2025, and a doubles ranking of No. 144, achieved on 15 January 2024. He has won two ...

Ivan Dodig Ivan Dodig (; born 2 January 1985) is a Croatian professional tennis player who specializes in doubles. He reached his career-high doubles ranking of World No. 2 in September 2023. He is a seven-time Grand Slam champion, having won men's double ...

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 ...

→ replaced by

William Blumberg William Blumberg (born January 26, 1998) is a former American professional tennis player. He has a career-high ATP doubles ranking of world No. 74 achieved on 12 September 2022. He has a career-high singles ranking of No. 438 reached on 18 Febru ...

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 ...

Joe Salisbury Joe Salisbury ( ; born 20 April 1992) is a British professional tennis player who is a former world No. 1 in doubles. He is a six-time Grand Slam champion, having won the 2020 Australian Open and the 2021, 2022 and 2023 US Opens in men's do ...

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Albano Olivetti Albano Olivetti (born 24 November 1991) is a French professional tennis player. He is a doubles specialist and has a career-high ATP doubles ranking of No. 40 achieved on 22 July 2024. Although not officially recognised by the ATP, Olivetti did ...

/ David Vega Hernández

References

External links

* {{2023 ATP Tour Stuttgart Open Stuttgart Open BOSS Open BOSS Open