2023 Estoril Open

The 2023 Estoril Open (also known as the Millennium Estoril Open for sponsorship reasons) was a men's tennis tournament played on outdoor clay courts. It was the 8th edition of the tournament and part of the ATP Tour 250 series of the 2023 ATP Tour. It took place at the Clube de Ténis do Estoril in Cascais, Portugal, from 3 to 9 April 2023.^[1]

2023 Estoril Open
Date	3 – 9 April
Edition	8th
Category	ATP Tour 250
Draw	28S / 16D
Prize money	€562,815
Surface	Clay / outdoor
Location	Cascais, Portugal
Venue	Clube de Ténis do Estoril
Champions
Singles
Casper Ruud
Doubles
Sander Gillé / Joran Vliegen

Champions

Singles

Main article: 2023 Estoril Open – Singles

• Casper Ruud def. Miomir Kecmanović, 6–2, 7–6^(7–3)

Doubles

Main article: 2023 Estoril Open – Doubles

• Sander Gillé / Joran Vliegen def. Nikola Ćaćić / Miomir Kecmanović, 6–3, 6–4

Points and prize money

Point distribution

Event	W	F	SF	QF	Round of 16	Round of 32	Q	Q2	Q1
Singles	250	150	90	45	20	0	12	6	0
Doubles					0	—	—	—	—

Prize money

Event	W	F	SF	QF	Round of 16	Round of 32	Q2	Q1
Singles	€85,605	€49,940	€29,355	€17,010	€9,880	€6,035	€3,020	€1,645
Doubles*	€29,740	€15,910	€9,330	€5,220	€3,070	—	—	—

_{*per team}

Singles main draw entrants

Seeds

Country	Player	Rank1	Seed
NOR	Casper Ruud	4	1
POL	Hubert Hurkacz[a]	9	2
ESP	Alejandro Davidovich Fokina	25	3
ESP	Roberto Bautista Agut	28	4
ARG	Sebastián Báez	33	5
SRB	Miomir Kecmanović	35	6
ARG	Diego Schwartzman	38	7
USA	Ben Shelton	39	8

• ¹ Rankings are as of 20 March 2023^[2]

Other entrants

The following players received wildcards into the main draw:

• Roberto Bautista Agut
• Ben Shelton
• João Sousa^[3]

The following players received entry as an emergency substitution:

• Hubert Hurkacz

The following players received entry from the qualifying draw:

• Alessandro Giannessi
• Sebastian Ofner
• Henrique Rocha
• Pedro Sousa

Withdrawals

• Grégoire Barrère → replaced by Tseng Chun-hsin
• Pablo Carreño Busta → replaced by Dominic Thiem
• Sebastian Korda → replaced by Hubert Hurkacz
• Dušan Lajović → replaced by Jurij Rodionov
• Emil Ruusuvuori → replaced by Luca Van Assche
• Mikael Ymer → replaced by Radu Albot

Doubles main draw entrants

Seeds

Country	Player	Country	Player	Rank1	Seed
GER	Andreas Mies	MON	Hugo Nys	39	1
BRA	Marcelo Melo	AUS	John Peers	84	2
ECU	Gonzalo Escobar	FRA	Fabien Reboul	97	3
BEL	Sander Gillé	BEL	Joran Vliegen	101	4

• Rankings are as of 20 March 2023

Other entrants

The following pairs received wildcards into the doubles main draw:

• Ben Shelton / Duarte Vale
• João Sousa / Dominic Thiem

Withdrawals

• Marcelo Arévalo / Jean-Julien Rojer → replaced by Diego Hidalgo / Cristian Rodríguez
• Tomislav Brkić / Gonzalo Escobar → replaced by Gonzalo Escobar / Fabien Reboul
• Lloyd Glasspool / Harri Heliövaara → replaced by Andrew Harris / John-Patrick Smith
• Kevin Krawietz / Tim Pütz → replaced by Marco Cecchinato / Quentin Halys
• Rafael Matos / David Vega Hernández → replaced by Romain Arneodo / Sam Weissborn
• Jamie Murray / Michael Venus → replaced by Radu Albot / Victor Vlad Cornea
• Hugo Nys / Jan Zieliński → replaced by Andreas Mies / Hugo Nys

Notes

1. Emergency Substitution