{{TennisEventInfo|2018|Estoril Open| | date=30 April – 6 May | edition=4th | draw=28S / 16D | surface=[[Clay court|Clay]] | prize_money=€501,345 | location=[[Cascais]], Portugal | venue=Clube de Ténis do Estoril | champs={{flagicon|POR}} [[João Sousa]] | champd={{flagicon|GBR}} [[Kyle Edmund]] / {{flagicon|GBR}} [[Cameron Norrie]] | main_name=Estoril Open (tennis) }}
The '''2018 Estoril Open''' (also known as the '''Millennium Estoril Open''' for sponsorship purposes) was a professional men's [[tennis]] tournament played on [[Clay court|outdoor clay courts]]. It was the fourth edition of the [[Estoril Open (tennis)|Estoril Open]], and part of the [[ATP World Tour 250 series]] of the [[2018 ATP World Tour]]. The event took place at the Clube de Ténis do Estoril in [[Cascais]], Portugal, from April 30 through May 6, 2018.
==Singles main-draw entrants==
===Seeds=== {| class=wikitable |-style="background:#cfc;" ! width="70"| Country ! width="175"| Player ! Rank<sup>1</sup> ! Seed |- |{{flag|RSA}} |[[Kevin Anderson (tennis)|Kevin Anderson]] |8 |1 |- |{{flag|ESP}} |[[Pablo Carreño Busta]] |11 |2 |- |{{flag|GBR}} |[[Kyle Edmund]] |23 |3 |- |{{flag|LUX}} |[[Gilles Müller]] |28 |4 |- |{{flag|ESP}} |[[Albert Ramos Viñolas]] |40 |5 |- |{{flag|NED}} |[[Robin Haase]] |44 |6 |- |{{flag|ARG}} |[[Leonardo Mayer]] |45 |7 |- |{{flag|RUS}} |[[Daniil Medvedev]] |48 |8 |} * Rankings are as of April 23, 2018.
===Other entrants=== The following players received wildcards into the singles main draw: * {{flagicon|AUS}} [[Alex de Minaur]] * {{flagicon|POR}} [[Frederico Ferreira Silva]] * {{flagicon|POR}} [[Pedro Sousa]]
The following players received entry from the qualifying draw: * {{flagicon|ITA}} [[Simone Bolelli]] * {{flagicon|POR}} [[João Domingues]] * {{flagicon|ESP}} [[Ricardo Ojeda Lara]] * {{flagicon|USA}} [[Tim Smyczek]]
===Withdrawals=== ;Before the tournament * {{flagicon|ESP}} [[David Ferrer]] → replaced by {{flagicon|GBR}} [[Cameron Norrie]] * {{flagicon|AUS}} [[Nick Kyrgios]] → replaced by {{flagicon|ARG}} [[Nicolás Kicker]] * {{flagicon|FRA}} [[Benoît Paire]] → replaced by {{flagicon|POR}} [[Gastão Elias]]
==Doubles main-draw entrants==
===Seeds=== {|class="sortable wikitable" |- ! width="70"| Country ! width="175"| Player ! width="70"| Country ! width="175"| Player ! Rank<sup>1</sup> ! Seed |- |{{flag|AUS}} |[[John Peers]] |{{flag|NED}} |[[Jean-Julien Rojer]] |17 |1 |- |{{flag|RSA}} |[[Raven Klaasen]] |{{flag|NZL}} |[[Michael Venus (tennis)|Michael Venus]] |48 |2 |- |{{flag|ESP}} |[[Marc López]] |{{flag|ESP}} |[[David Marrero]] |67 |3 |- |{{flag|BRA}} |[[Marcelo Demoliner]] |{{flag|MEX}} |[[Santiago González (tennis)|Santiago González]] |84 |4 |} * Rankings are as of April 23, 2018.
===Other entrants=== The following pairs received wildcards into the doubles main draw: * {{flagicon|AUS}} [[Alex de Minaur]] / {{flagicon|AUS}} [[Lleyton Hewitt]] * {{flagicon|POR}} [[Gastão Elias]] / {{flagicon|POR}} [[Pedro Sousa]]
==Champions==
===Singles=== {{main|2018 Estoril Open – Singles}} * '''{{flagicon|POR}} [[João Sousa]]''' def. {{flagicon|USA}} [[Frances Tiafoe]], 6–4, 6–4
===Doubles=== {{main|2018 Estoril Open – Doubles}} * {{flagicon|GBR}} '''[[Kyle Edmund]]''' / {{flagicon|GBR}} '''[[Cameron Norrie]]''' def. {{flagicon|NED}} [[Wesley Koolhof]] / {{flagicon|NZL}} [[Artem Sitak]], 6–4, 6–2
==References== {{Reflist}}
==External links== * [http://www.millenniumestorilopen.com/ Official website]
{{2018 ATP World Tour}}
[[Category:2018 Estoril Open| ]]