The 2023 Estoril Open (also known as the Millennium Estoril Open for sponsorship reasons) 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

clay court A clay court is one of the types of tennis court on which the sport of tennis is played. Clay courts are built on a foundation of crushed stone, brick, shale, and other construction aggregate, aggregate, with a thin layer of fine clay particles ...

s. It was the 8th edition of the

tournament A tournament is a competition involving at least three competitors, all participating in a sport or game. More specifically, the term may be used in either of two overlapping senses: # One or more competitions held at a single venue and concen ...

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 took place at the Clube de Ténis do Estoril in

Cascais Cascais () is a town and municipality in the Lisbon District of Portugal, located on the Portuguese Riviera, Estoril Coast. The municipality has a total of 214,158 inhabitants in an area of 97.40 km2. Cascais is an important tourism in Port ...

Portugal Portugal, officially the Portuguese Republic, is a country on the Iberian Peninsula in Southwestern Europe. Featuring Cabo da Roca, the westernmost point in continental Europe, Portugal borders Spain to its north and east, with which it share ...

, from 3 to 9 April 2023.

Champions

Singles

Casper Ruud Casper Ruud (; born 22 December 1998) is a Norwegian professional tennis player. He has been ATP rankings, ranked as high as world No. 2 in men's singles by the Association of Tennis Professionals (ATP), achieved in September 2022, making him t ...

def.

Miomir Kecmanović Miomir Kecmanović ( sr-Cyrl, Миомир Кецмановић, ; born 31 August 1999) is a Serbian professional tennis player. Kecmanović reached his best singles ranking of world No. 27 on 16 January 2023 and he peaked at world No. 127 on 24 ...

, 6–2, 7–6^(7–3)

Doubles

Sander Gillé Sander Gillé (born 15 January 1991) is a Belgian professional tennis player who specializes in doubles. He has a career-high doubles ranking of World No. 18 by the ATP, achieved on 25 September 2023. He also has a career-high singles ranking of ...

Joran Vliegen Joran Vliegen (born 7 July 1993) is a Belgian professional tennis player who specializes in doubles. He has a career high ATP doubles ranking of World No. 17 achieved on 7 August 2023. He also has a career high singles ranking of World No. 508 a ...

def.

Nikola Ćaćić Nikola Ćaćić ( sr-Cyrl, Никола Ћаћић, ; born 7 December 1990) is a Serbian former professional tennis player. He has a career-high ranking of World No. 35 in doubles achieved on 8 November 2021. He has won three doubles titles in th ...

, 6–3, 6–4

Points and prize money

Point distribution

Prize money

_{*per team}

Singles main draw entrants

Seeds

*¹ Rankings are as of 20 March 2023

Other entrants

The following players received wildcards into the main draw: *

Roberto Bautista Agut Roberto Bautista Agut (; born 14 April 1988) is a Spanish professional tennis player. He has been ATP rankings, ranked as high as world No. 9 by the Association of Tennis Professionals, ATP in singles, achieved on 4 November 2019. Bautista Agut ...

Ben Shelton Benjamin Todd Shelton (born October 9, 2002) is an American professional tennis player. Shelton has a career-high singles ranking of world No. 10 by the Association of Tennis Professionals, ATP, achieved on 16 June 2025. He has a career-high A ...

João Sousa João Pedro Coelho Marinho de Sousa (born 30 March 1989), known as João Sousa (), is a Portuguese former professional tennis player. He achieved a career-high Association of Tennis Professionals, ATP singles ranking of No. 28 on 16 May 2016 a ...

The following players received entry as an emergency substitution: *

Hubert Hurkacz Hubert Hurkacz (; born 11 February 1997) is a Polish professional tennis player. He has been ATP rankings, ranked as high as world No. 6 in singles by the Association of Tennis Professionals, ATP, making him the highest-ranked Polish man in singl ...

The following players received entry from the qualifying draw: *

Alessandro Giannessi Alessandro Giannessi (born 30 May 1990) is an Italian former professional tennis player. On 24 July 2017 he reached his highest ATP singles ranking of world No. 84 while his best doubles ranking was No. 171 on 14 October 2013. Career Giannessi ...

Sebastian Ofner Sebastian Ofner (born 12 May 1996) is an Austrian professional tennis player. He has a career high ATP singles ranking of World No. 37 achieved on 8 January 2024. He is currently the No. 1 Austrian player. Professional career 2017: ATP and Gra ...

Henrique Rocha Henrique Rocha (born 6 April 2004) is a Portuguese professional tennis player. He has a career-high ATP singles ranking of world No. 149, achieved on 9 June 2025 and a doubles ranking of No. 166, achieved on 9 September 2024. He is currently th ...

Pedro Sousa Pedro Barreiros Cardoso de Sousa (; born 27 May 1988) is a Portuguese tennis coach and a former professional player who primarily competed on the ATP Challenger Tour. In February 2019, he achieved a career-high singles ranking of world No. 99. ...

Withdrawals

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 ...

→ replaced by

Tseng Chun-hsin Tseng Chun-hsin ( zh, t=曾俊欣, p=Zēng Jùnxīn; born 8 August 2001), also known as Jason Tseng, is a Taiwanese people, Taiwanese tennis player. He has a career-high singles ranking of world No. 83 by the Association of Tennis Profes ...

Pablo Carreño Busta Pablo Carreño Busta (; born 12 July 1991) is a Spanish professional tennis player. He has been ranked as high as world No. 10 by the ATP, which he first achieved on 11 September 2017. He also reached a best doubles ranking of No. 16 on 17 July ...

→ replaced by

Dominic Thiem Dominic Thiem (; born 3 September 1993) is an Austrian former professional tennis player. He was ranked world No. 3 in singles by the Association of Tennis Professionals (ATP), which he first achieved in March 2020. Thiem won 17 ATP Tour-level s ...

Sebastian Korda Sebastian Korda ( ; born July 5, 2000) is an American professional tennis player. He has a career-high Association of Tennis Professionals, ATP singles ranking of world No. 15 achieved on August 12, 2024 and a doubles ranking of No. 46 reached o ...

→ replaced by

Dušan Lajović Dušan Lajović ( sr-Cyrl, Душан Лајовић; born 30 June 1990) is a Serbian professional tennis player. On 29 April 2019, he reached his career-high singles ranking of world No. 23. On 21 September 2020, he peaked at No. 82 in the doubl ...

→ replaced by

Jurij Rodionov Jurij Rodionov (born 16 May 1999) is an Austrian professional tennis player. He has a career high ATP singles ranking of world No. 87 achieved on 19 February 2024. He also has a career high doubles ranking of No. 254 achieved on 9 September 202 ...

Emil Ruusuvuori Emil Ruusuvuori (; born 2 April 1999) is a Finnish professional tennis player. He reached a career high Association of Tennis Professionals, ATP singles ranking of World No. 37 on 3 April 2023. He is currently the No. 2 Finnish singles tennis pl ...

→ replaced by

Luca Van Assche Luca Van Assche (; born 11 May 2004) is a French professional tennis player. He has a career-high ATP singles ranking of world No. 63, achieved on 23 October 2023 and a doubles ranking of No. 335, achieved on 9 January 2023. Career Juniors ...

Mikael Ymer Mikael Ymer (born 9 September 1998) is a Swedish professional tennis player. He had a career high Association of Tennis Professionals, ATP singles ranking of world No. 50, achieved on 17 April 2023. In the ATP doubles ranking his career high is N ...

→ replaced by

Radu Albot Radu Albot (born 11 November 1989) is a Moldovan professional tennis player. He achieved a career high ranking of No. 39 on 5 August 2019, making him the highest ranked player from Moldova. He is the first player from Moldova to win ATP Tour t ...

Doubles main draw entrants

Seeds

* Rankings are as of 20 March 2023

Other entrants

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

Duarte Vale Duarte Vale (born 11 January 1999) is a Portuguese tennis player. Vale has a career high ATP singles ranking of world No. 474 achieved on 27 January 2025. He also has a career high ATP doubles ranking of No. 366 achieved on 12 June 2023. Career ...

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 ...

Jean-Julien Rojer Jean-Julien Rojer ( "John Julian" , ; born 25 August 1981) is a Dutch professional tennis player from Curaçao, who specializes in doubles. He reached his career-high doubles ranking of world No. 3 in November 2015. He is a four-time Grand Sla ...

→ replaced by Diego Hidalgo /

Cristian Rodríguez Cristian Gabriel Rodríguez Barrotti (; born 30 September 1985) is a Uruguayan former professional footballer who played as a winger. Having received the nickname ''Cebolla'' (onion) from his Peñarol days, from his father, he was well known ...

Tomislav Brkić Tomislav Brkić (; born 9 March 1990) is a Bosnian professional tennis player. Brkić achieved a career-high in doubles of World No. 40 on 17 January 2022. He has won two ATP doubles titles one with Nikola Ćaćić and one with Francisco Cabral ...

Gonzalo Escobar Gonzalo Escobar (; born 20 January 1989, in Manta, Ecuador, Manta) is an Ecuadorian tennis player. His career-high doubles ranking is World No. 38, achieved on 15 November 2021. He has won three ATP doubles titles with Uruguayan Ariel Behar and ...

→ replaced by

Fabien Reboul Fabien Reboul (born 9 September 1995) is a French professional tennis player who specializes in doubles. He has a career high ATP doubles ranking of world No. 22 achieved 26 May 2025. Reboul has won five ATP Tour doubles titles and 17 ATP Chall ...

Lloyd Glasspool Lloyd Glasspool (born 19 November 1993) is a British professional tennis player who specialises in doubles. He has a career-high doubles ranking of No. 7 reached in June 2023 and a singles ranking of No. 282 reached in July 2016. Glasspool has w ...

Harri Heliövaara Harri Heliövaara (born 4 June 1989) is a Finnish professional tennis player. He has been ATP rankings, ranked by the Association of Tennis Professionals, ATP as high as world No. 3 in doubles, achieved on 31 March 2025. He also attained his care ...

→ replaced by Andrew Harris /

John-Patrick Smith John-Patrick Tracey "JP" Smith (born 24 January 1989) is an Australian professional tennis player who specializes in doubles. He reached his highest ATP singles ranking of world No. 108 on 28 September 2015, and his highest doubles ranking of N ...

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 ...

→ replaced by

Marco Cecchinato Marco Cecchinato (; born 30 September 1992) is an Italian professional tennis player. He has a career-high ATP singles ranking of World No. 16 reached on 25 February 2019. On 29 April 2018, he won his first ATP World Tour title at the 2018 Hunga ...

Quentin Halys Quentin Halys (; born 26 October 1996) is a French professional tennis player. Halys has a career-high ATP singles ranking of world No. 47 achieved on 9 June 2025 and a doubles ranking of No. 129 achieved on 3 October 2022. He has won seven sin ...

Rafael Matos Rafael Fabris de Matos (born 6 January 1996) is a Brazilian professional tennis player who specializes in doubles. He has a career-high ATP doubles ranking of No. 26, achieved on 6 February 2023. On 21 May 2018, he reached a singles ranking of N ...

David Vega Hernández David Vega Hernández (; born 23 June 1994) is a Spanish professional tennis player. He has a career-high ATP doubles ranking of world No. 28 achieved on 21 July 2014. He also has a career high ATP singles ranking of No. 403 achieved on 13 Febr ...

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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 ...

Sam Weissborn Tristan-Samuel Weissborn (born 24 October 1991) is an Austrian professional tennis player who specializes in doubles. Weissborn has been ranked by the Association of Tennis Professionals (ATP) as high as world No. 50 in doubles, which he achiev ...

Jamie Murray Jamie Robert Murray (born 13 February 1986) is a British professional tennis player who specialises in doubles. He is a seven-time Grand Slam (tennis), major doubles champion (five in mixed doubles and two in men's doubles), a Davis Cup winne ...

Michael Venus Michael Venus (born 16 October 1987) is a New Zealand professional tennis player. He has a career-high doubles ranking of world No. 6, achieved on 29 August 2022. Venus won the 2017 French Open men's doubles partnering Ryan Harrison, and follo ...

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Victor Vlad Cornea Victor Vlad Cornea (born 24 September 1993) is a Romanian tennis player who specializes in doubles. He reached his highest ATP doubles ranking of No. 64 on 19 February 2024. He has won 14 ATP Challenger Tour doubles titles. He has six Davis Cu ...

Hugo Nys Hugo Nys (; born 16 February 1991) is a Monégasque professional tennis player who previously represented France until 2019. A doubles specialist, he reached his highest ATP doubles ranking of No. 12 on 12 June 2023 and singles ranking of No. 3 ...

Jan Zieliński Jan Zieliński (Polish: ; born 16 November 1996) is a Polish professional tennis player who specializes in doubles. He has an ATP career-high doubles ranking of world No. 7, which he attained on 19 June 2023. His highest ranking in singles has b ...

→ replaced by

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 ...

Notes

References

External links

Official website
{{2023 ATP Tour Estoril Open Estoril Open

2023 Catastrophic natural disasters in 2023 included the Lists of 21st-century earthquakes, 5th-deadliest earthquake of the 21st century 2023 Turkey–Syria earthquakes, striking Turkey and Syria, leaving up to 62,000 people dead; Cyclone Freddy ...

Estoril Open