2018 Rio Open

{{TennisEventInfo|2018|Rio Open|

| date=19–25 February

| edition=5th

| draw=32{{tooltip|S|Singles}} / 16{{tooltip|D|Doubles}}

| prize_money=$1,471,315 (ATP)

| surface=Clay

| location=Rio de Janeiro, Brazil

| venue=Jockey Club Brasileiro

| champs={{flagicon|ARG}} Diego Schwartzman

| champd={{flagicon|ESP}} David Marrero / {{flagicon|ESP}} Fernando Verdasco

}}

The 2018 Rio Open was a professional men's tennis tournament played on outdoor clay courts. It was the 5th edition of the tournament, and part of the ATP World Tour 500 series of the 2018 ATP World Tour. It took place in Rio de Janeiro, Brazil between February 19–25, 2018.

Finals

= Singles =

{{flagicon|ARG}} Diego Schwartzman defeated {{flagicon|ESP}} Fernando Verdasco, 6–2, 6–3

= Doubles =

{{flagicon|ESP}} David Marrero / {{flagicon|ESP}} Fernando Verdasco defeated {{flagicon|CRO}} Nikola Mektić / {{flagicon|AUT}} Alexander Peya, 5–7, 7–5, [10–8]

Points and prize money

= Point distribution =

class=wikitable style=font-size:90%;text-align:center
style="width:130px; background:#eaeaea;"\|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:#f3f3f3;"\| Singles \|rowspan=2\|500 \|rowspan=2\|300 \|rowspan=2\|180 \|rowspan=2\|90 \|45 \|0 \|20 \|10 \|rowspan=2\|0
style="background:#f3f3f3;"\| Doubles \|0 \| {{n/a}} \|45 \|25

class=wikitable style=font-size:90%;text-align:center

style="width:130px; background:#eaeaea;"|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:#f3f3f3;"| Singles

|rowspan=2|500

|rowspan=2|300

|rowspan=2|180

|rowspan=2|90

|45

|20

|10

|rowspan=2|0

style="background:#f3f3f3;"| Doubles

| {{n/a}}

|45

|25

= Prize money =

class=wikitable style=font-size:90%;text-align:center

style="width:130px; background:#eaeaea;"|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 32¹

|width=85|Q2

|width=85|Q1

style="background:#f3f3f3;"|Singles

|$314,880

|$154,370

|$77,680

|$39,500

|$20,515

|$10,820

|$2,395

|$1,220

style="background:#f3f3f3;"|Doubles

|$94,800

|$46,410

|$23,280

|$11,950

|$6,180

| {{n/a}}

colspan=10|Doubles prize money per team

_{¹ Qualifiers prize money is also the Round of 32 prize money}

Singles main-draw entrants

= Seeds =

class="sortable wikitable"
width="70"\| Country ! width="175"\| Player ! Rank¹ ! Seed
{{flag\|CRO}} \|Marin Čilić \|3 \|1
{{flag\|AUT}} \|Dominic Thiem \|6 \|2
{{flag\|ESP}} \|Pablo Carreño Busta \|10 \|3
{{flag\|ESP}} \|Albert Ramos Viñolas \|20 \|4
{{flag\|ITA}} \|Fabio Fognini \|22 \|5
style="background:#cfc;" \|{{flag\|ARG}} \|Diego Schwartzman \|24 \|6
{{flag\|URU}} \|Pablo Cuevas \|32 \|7
style="background:#fcc;" \|{{flag\|ESP}} \|Fernando Verdasco \|40 \|8

class="sortable wikitable"

width="70"| Country

! width="175"| Player

! Rank¹

! Seed

|Marin Čilić

|Dominic Thiem

|Pablo Carreño Busta

|10

|Albert Ramos Viñolas

|20

|Fabio Fognini

|22

style="background:#cfc;"

|{{flag|ARG}}

|Diego Schwartzman

|24

|Pablo Cuevas

|32

style="background:#fcc;"

|{{flag|ESP}}

|Fernando Verdasco

|40

¹ Rankings as of February 12, 2018.{{cite news |url= http://tennisinfo.com.br/dominic-thiem-e-o-primeiro-nome-confirmado-no-rio-open/ |title= Dominic Thiem é o primeiro nome confirmado no Rio Open |date= 10 October 2017 |access-date= 7 November 2017 |archive-url= https://web.archive.org/web/20180127202636/http://tennisinfo.com.br/dominic-thiem-e-o-primeiro-nome-confirmado-no-rio-open/ |archive-date= 27 January 2018 |url-status= dead }}{{cite news |url= http://tennisinfo.com.br/gael-monfils-e-marin-cilic-estao-confirmados-no-rio-open/ |title= Gael Monfils e Marin Cilic estão confirmados no Rio Open |date= 17 October 2017 |access-date= 7 November 2017 |archive-url= https://web.archive.org/web/20180127202633/http://tennisinfo.com.br/gael-monfils-e-marin-cilic-estao-confirmados-no-rio-open/ |archive-date= 27 January 2018 |url-status= dead }}

= Other entrants =

The following players received wildcards into the singles main draw:

{{flagicon|BRA}} Thomaz Bellucci{{cite news |url= http://rioopen.com/detalhe-noticia?id=7365 |title= Thomaz Bellucci recebe o segundo convite para a chave principal |date= 1 February 2018 |access-date= 5 February 2018 |archive-url= https://web.archive.org/web/20180206145002/http://rioopen.com/detalhe-noticia?id=7365 |archive-date= 6 February 2018 |url-status= dead |df= dmy-all }}
{{flagicon|BRA}} Thiago Monteiro
{{flagicon|NOR}} Casper Ruud

The following players received entry using a protected ranking:

{{flagicon|ESP}} Pablo Andújar
{{flagicon|AUT}} Andreas Haider-Maurer

The following players received entry from the qualifying draw:

{{flagicon|ARG}} Carlos Berlocq
{{flagicon|ESP}} Roberto Carballés Baena
{{flagicon|ITA}} Marco Cecchinato
{{flagicon|FRA}} ~~Corentin Moutet~~

The following player received entry as a lucky loser:

{{flagicon|POR}} Gastão Elias

= Withdrawals =

;Before the tournament

{{flagicon|UKR}} Alexandr Dolgopolov → replaced by {{flagicon|USA}} Tennys Sandgren
{{flagicon|GBR}} Kyle Edmund → replaced by {{flagicon|ESP}} Pablo Andújar
{{flagicon|ITA}} Paolo Lorenzi → replaced by {{flagicon|AUT}} Gerald Melzer
{{flagicon|FRA}} Corentin Moutet → replaced by {{flagicon|POR}} Gastão Elias
{{flagicon|GER}} Cedrik-Marcel Stebe → replaced by {{flagicon|ARG}} Nicolás Kicker

= Retirements =

{{flagicon|ESP}} Pablo Andújar
{{flagicon|ESP}} Roberto Carballés Baena
{{flagicon|NOR}} Casper Ruud
{{flagicon|CZE}} Jiří Veselý

Doubles main-draw entrants

= Seeds =

class="sortable wikitable"
width="70"\| Country ! width="175"\| Player ! width="70"\| Country ! width="175"\| Player ! Rank¹ ! Seed
{{flag\|POL}} \|Łukasz Kubot \|{{flag\|BRA}} \|Marcelo Melo \|2 \|1
{{flag\|GBR}} \|Jamie Murray \|{{flag\|BRA}} \|Bruno Soares \|19 \|2
{{flag\|COL}} \|Juan Sebastián Cabal \|{{flag\|COL}} \|Robert Farah \|35 \|3
{{flag\|MEX}} \|Santiago González \|{{flag\|CHI}} \|Julio Peralta \|57 \|4

class="sortable wikitable"

width="70"| Country

! width="175"| Player

! width="70"| Country

! width="175"| Player

! Rank¹

! Seed

|Łukasz Kubot

|{{flag|BRA}}

|Marcelo Melo

|Jamie Murray

|{{flag|BRA}}