The 2018 Estoril Open (also known as the Millennium Estoril Open for sponsorship purposes) was a professional men's

tennis Tennis is a racket sport that is played either individually against a single opponent ( singles) or between two teams of two players each ( doubles). Each player uses a tennis racket that is strung with cord to strike a hollow rubber ball c ...

tournament played on outdoor clay courts. It was the fourth edition of the Estoril Open, and part of the

ATP World Tour 250 series 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 tou ...

of the

2018 ATP World Tour The 2018 ATP World Tour was the global elite men's professional tennis circuit organised by the Association of Tennis Professionals (ATP) for the 2018 tennis season. The 2018 ATP World Tour calendar comprised the Grand Slam tournaments (superv ...

. The event 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. The municipality has a total of 214,158 inhabitants in an area of 97.40 km2. Cascais is an important tourist destination. Its mar ...

Portugal Portugal, officially the Portuguese Republic, In recognized minority languages of Portugal: :* mwl, República Pertuesa is a country located on the Iberian Peninsula, in Southwestern Europe, and whose territory also includes the Macaronesian ...

, from April 30 through May 6, 2018.

Singles main draw entrants

Seeds

* Rankings are as of April 23, 2018.

Other entrants

The following players received wildcards into the singles main draw: *

Alex de Minaur Alex de Minaur ( ; es, Álex de Miñaur Román, ; born 17 February 1999) is an Australian professional tennis player. He achieved a career-high ATP singles ranking of No. 15 on 28 June 2021 and a doubles ranking of No. 58 on 12 October 2020. ...

Frederico Ferreira Silva Frederico Ferreira "Kiko" Silva (born 18 March 1995) is a Portuguese tennis player who currently plays at ITF Men's Circuit and ATP Challenger Tour. In May 2021, Silva reached a career singles high ranking of No. 168. He also reached a career-hi ...

Pedro Sousa Pedro Barreiros Cardoso de Sousa (; born 27 May 1988) is a Portuguese professional tennis player who competes on the ATP Tour. In February 2019, he achieved a career-high singles ranking of world No. 99. ATP career finals Singles: 1 (1 runne ...

The following players received entry from the qualifying draw: *

Simone Bolelli Simone Bolelli (; born 8 October 1985) is an Italian professional tennis player. Bolelli is a Grand Slam champion, having won the 2015 Australian Open doubles event with Fabio Fognini, together becoming the first all-Italian men's pair to wi ...

João Domingues João Domingues (born 5 October 1993) is a Portuguese tennis player who currently competes on the ATP Challenger as well as the ATP World Tour. In 2015, Domingues made his debut for Portugal Davis Cup team. In February 2020, he achieved a ca ...

Ricardo Ojeda Lara Ricardo Ojeda Lara (; born 26 January 1993) is a Spanish tennis player. Ojeda Lara has a career high ATP singles ranking of 171 achieved on 9 October 2017. He also has a career high doubles ranking of 549 achieved on 10 September 2018. Ojeda L ...

Tim Smyczek Timothy Smyczek ( ; ; born December 30, 1987) is an American former professional tennis player. He made three quarterfinals on the main tour as well as the semi-finals of Newport in 2018. Additionally he won seven Challenger titles. He achieved ...

Withdrawals

;Before the tournament *

David Ferrer David Ferrer Ern (; ; born 2 April 1982) is a Spanish former professional tennis player. A three-time Davis Cup champion with Spain, Ferrer has won tournaments at all levels on the ATP Tour (ATP 250, ATP 500, Masters 1000) except at a major, a ...

→ replaced by

Cameron Norrie Cameron Norrie (; born 23 August 1995) is a South African-born British professional tennis player, having previously represented New Zealand. He has reached career-high rankings of world No. 8 in singles (on 12 September 2022) and No. 117 in do ...

Nick Kyrgios Nicholas Hilmy Kyrgios ( ; born 27 April 1995) is an Australian professional tennis player. In singles, Kyrgios' career-high ATP singles ranking of world No. 13 was achieved on 24 October 2016. He has won seven ATP Tour singles titles, includin ...

→ replaced by

Nicolás Kicker Nicolás Kicker (, born 16 August 1992 in Merlo) is an Argentine tennis player. He plays mainly on the ATP Challenger Tour. Kicker achieved his highest career singles ranking of 78 in June 2017. He has won 3 singles titles, and 1 doubles title o ...

Benoît Paire Benoît Paire (; born 8 May 1989) is a French professional tennis player. His best result in a Grand Slam has been reaching the fourth round, which he has achieved on four occasions. He has won three singles titles, at the 2015 Swedish Open, t ...

→ replaced by

Gastão Elias Gastão José Ministro Elias (; born 24 November 1990) is a Portuguese professional tennis player, who competes on the ATP World Tour. He became the fifth Portuguese tennis player to break into the top 100 of the Association of Tennis Professio ...

Doubles main draw entrants

Seeds

* Rankings are as of April 23, 2018.

Other entrants

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

Lleyton Hewitt Lleyton Glynn Hewitt (born 24 February 1981) is an Australian former world No. 1 tennis player. He is the most recent Australian man to win a major singles title, with two at the 2001 US Open and 2002 Wimbledon Championships. In November 20 ...

Champions

Singles

João Sousa João Pedro Coelho Marinho de Sousa (born 30 March 1989), known as João Sousa (), is a Portuguese professional tennis player. He achieved a career-high ATP singles ranking of No. 28 on 16 May 2016 and a doubles ranking of No. 26 on 13 May 20 ...

def.

Frances Tiafoe Frances Tiafoe Jr. ( ; born January 20, 1998) is an American professional tennis player. The Association of Tennis Professionals (ATP) has ranked Tiafoe as high as world No. 17 in singles, on October 10, 2022, and world No. 160 in doubles, on No ...

, 6–4, 6–4

Doubles

Kyle Edmund Kyle Steven Edmund (born 8 January 1995) is a South African born-British professional tennis player. He has a career-high singles ranking of world No. 14 and was the top-ranked male British tennis player from March 2018 through October 2019. E ...

def.

Wesley Koolhof Wesley Koolhof (; born 17 April 1989) is a Dutch professional tennis player who specialises in doubles. He achieved his career-high doubles ranking of world No. 1 in doubles on 7 November 2022. He has won 14 doubles titles on the ATP Tour, mos ...

Artem Sitak Artem Yurievich Sitak ( ; russian: Артём Юрьевич Ситак, Artyom Sitak; born 8 February 1986) is a Russian-born New Zealand professional tennis player. On 11 August 2008, he reached his highest ATP singles ranking of Worl ...

, 6–4, 6–2

References

External links

Official website
{{2018 ATP World Tour