2023 Estoril Open

{{TennisEventInfo|2023|Estoril Open|

| date = 3 – 9 April

| edition = 8th

| category = ATP Tour 250

| prize_money = €562,815

| logo = Estoril_Open_2023.png

| draw = 28S / 16D

| surface = Clay / outdoor

| location=Cascais, Portugal

| venue=Clube de Ténis do Estoril

| champs={{flagicon|NOR}} Casper Ruud

| champd={{flagicon|BEL}} Sander Gillé / {{flagicon|BEL}} Joran Vliegen

}}

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.{{cite web|title=Millennium Estoril Open Overview|url=https://www.atptour.com/en/tournaments/estoril/7290/overview|website=atptour.com}}

Champions

=Singles=

{{main|2023 Estoril Open – Singles}}

=Doubles=

{{main|2023 Estoril Open – Doubles}}

Points and prize money

= Point distribution =

class=wikitable style=font-size:90%;text-align:center
style="width:130px; background:#dfe2e9;"|Event

| style="width:80px; background:lime;"|W

| style="width:85px; background:thistle;"|F

| style="width:85px; background:#ff0;"|SF

| style="width:85px; background:#ffebcd;"|QF

| style="width:85px; background:#afeeee;"|Round of 16

| style="width:85px; background:#afeeee;"|Round of 32

|width=85 |Q

|width=85 |Q2

|width=85 |Q1

style="background:#ededed;"| Singles

|rowspan=2|250

|rowspan=2|150

|rowspan=2|90

|rowspan=2|45

|20

|0

|12

|6

|0

style="background:#ededed;"| Doubles

| 0

| {{n/a}}

| {{n/a}}

| {{n/a}}

| {{n/a}}

= Prize money =

class=wikitable style=font-size:90%;text-align:center
style="width:130px; background:#dfe2e9;"|Event

| style="width:80px; background:lime;"|W

| style="width:85px; background:thistle;"|F

| style="width:85px; background:#ff0;"|SF

| style="width:85px; background:#ffebcd;"|QF

| style="width:85px; background:#afeeee;"|Round of 16

| style="width:85px; background:#afeeee;"|Round of 32

|width=85 |Q2

|width=85 |Q1

style="background:#ededed;"|Singles

|€85,605

|€49,940

|€29,355

|€17,010

|€9,880

|€6,035

|€3,020

|€1,645

style="background:#ededed;"|Doubles*

|€29,740

|€15,910

|€9,330

|€5,220

|€3,070

| {{n/a}}

| {{n/a}}

| {{n/a}}

*per team

Singles main draw entrants

=Seeds=

class=wikitable
width="75"| Country

! width="180"| Player

! Rank1

! Seed

bgcolor=#cfc

|{{flag|NOR}}

|Casper Ruud

|4

|1

{{flag|POL}}

|Hubert Hurkacz{{efn|Emergency Substitution}}

|9

|2

{{flag|ESP}}

|Alejandro Davidovich Fokina

|25

|3

{{flag|ESP}}

|Roberto Bautista Agut

|28

|4

{{flag|ARG}}

|Sebastián Báez

|33

|5

bgcolor=#fcc

|{{flag|SRB}}

|Miomir Kecmanović

|35

|6

{{flag|ARG}}

|Diego Schwartzman

|38

|7

{{flag|USA}}

|Ben Shelton

|39

|8

  • 1 Rankings are as of 20 March 2023{{Cite web|url=https://www.cascais.pt/noticia/millennium-estoril-open-2023-esta-tudo-em-jogo|title=Millennium Estoril Open 2023: Está tudo em jogo|website=cascais.pt|date=7 March 2023|language=pt}}

=Other entrants=

The following players received wildcards into the main draw:

  • {{flagicon|ESP}} Roberto Bautista Agut
  • {{flagicon|USA}} Ben Shelton
  • {{flagicon|POR}} João Sousa{{Cite web|url=https://observador.pt/2023/02/20/portugues-joao-sousa-confirmado-na-proxima-edicao-do-estoril-open/|title=Português João Sousa confirmado na próxima edição do Estoril Open |website=observador.pt|date=20 February 2023|language=pt}}

The following players received entry as an emergency substitution:

The following players received entry from the qualifying draw:

=Withdrawals=

Doubles main draw entrants

=Seeds=

class="wikitable"
width="70"| Country

! width="175" | Player

! width="70"| Country

! width="175"| Player

! Rank1

! Seed

{{flag|GER}}

|Andreas Mies

|{{flag|MON}}

|Hugo Nys

|39

|1

{{flag|BRA}}

|Marcelo Melo

|{{flag|AUS}}

|John Peers

|84

|2

{{flag|ECU}}

|Gonzalo Escobar

|{{flag|FRA}}

|Fabien Reboul

|97

|3

bgcolor=#cfc

|{{flag|BEL}}

|Sander Gillé

|{{flag|BEL}}

|Joran Vliegen

|101

|4

  • Rankings are as of 20 March 2023

=Other entrants=

The following pairs received wildcards into the doubles main draw:

=Withdrawals=

Notes

{{Noteslist}}

References

{{Reflist}}