2018 Rio Açık - Çiftler

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!colspan="11" | Çiftler
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|- style="text-align:center; background:#ffffff"
!colspan="12"|2018 Rio Açık
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!style="text-align:left; width:7em;"|Şampiyonlar
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!style="text-align:left; width:7em;"|İkinciler
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!style="text-align:left; width:7em;"|Final skoru
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|colspan="9" |5-7, 7-5, [10-8]
|- style="background:#eeeeee; text-align:center;"
!colspan="11" | Etkinlikler
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|Tekler
|Çiftler|
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Pablo Carreño Busta ve Pablo Cuevas turnuvanın son şampiyonlarıydı, ancak turnuva başlamadan önce turnuvadan çekildiler.

David Marrero ve Fernando Verdasco, finalde Nikola Mektić ve Alexander Peya'yı 5-7, 7-5, [10-8]'lik setlerle mağlup ederek turnuvayı şampiyon olarak tamamladı. Marrero ve Verdasco, 2014 yılından beri ATP World Tour çiftler şampiyonluğu kazanan ilk şanslı kaybeden ekip oldu.

 Seribaşları 

 Eşleşmeler 

 Eşleşme 
{{16TeamBracket-Compact-Tennis3-Byes
| RD1=İlk tur
| RD2=Çeyrek final
| RD3=Yarı final
| RD4=Final

| RD1-seed01=1
| RD1-team01= Ł Kubot  M Melo| RD1-score01-1=6| RD1-score01-2=4
| RD1-score01-3=[10]| RD1-seed02=Q
| RD1-team02= N Jarry  J Veselý
| RD1-score02-1=4
| RD1-score02-2=6| RD1-score02-3=[4]

| RD1-seed03=
| RD1-team03= A Molteni  H Zeballos| RD1-score03-1=6| RD1-score03-2=6| RD1-score03-3=
| RD1-seed04=WC
| RD1-team04= T Bellucci  A Sá
| RD1-score04-1=1
| RD1-score04-2=3
| RD1-score04-3=

| RD1-seed05=3
| RD1-team05= JS Cabal  R Farah
| RD1-score05-1=65
| RD1-score05-2=5
| RD1-score05-3=
| RD1-seed06=
| RD1-team06= N Mektić  A Peya| RD1-score06-1=77| RD1-score06-2=7| RD1-score06-3=

| RD1-seed07=
| RD1-team07= G Pella  D Schwartzman| RD1-score07-1=6| RD1-score07-2=2
| RD1-score07-3=[10]
| RD1-seed08=
| RD1-team08= H Podlipnik-Castillo  A Vasilevski
| RD1-score08-1=3
| RD1-score08-2=6
| RD1-score08-3=[3]

| RD1-seed09=
| RD1-team09= M Demoliner  G Monfils
| RD1-score09-1=6
| RD1-score09-2=1
| RD1-score09-3=[5]
| RD1-seed10=LL
| RD1-team10= D Marrero  F Verdasco
| RD1-score10-1=1
| RD1-score10-2=6
| RD1-score10-3=[10]

| RD1-seed11=
| RD1-team11= F Fognini  M López
| RD1-score11-1=3
| RD1-score11-2=2
| RD1-score11-3=
| RD1-seed12=4
| RD1-team12= S González  J Peralta
| RD1-score12-1=6
| RD1-score12-2=6
| RD1-score12-3=

| RD1-seed13=
| RD1-team13= R Jebavý  L Mayer
| RD1-score13-1=6
| RD1-score13-2=65
| RD1-score13-3=[10]
| RD1-seed14=
| RD1-team14= G García López  A Ramos Viñolas
| RD1-score14-1=2
| RD1-score14-2=77
| RD1-score14-3=[7]

| RD1-seed15=WC
| RD1-team15= F de Paula  T Monteiro
| RD1-score15-1=3
| RD1-score15-2=1
| RD1-score15-3=
| RD1-seed16=2
| RD1-team16= J Murray  B Soares
| RD1-score16-1=6
| RD1-score16-2=6
| RD1-score16-3=

| RD2-seed01=1
| RD2-team01= Ł Kubot  M Melo
| RD2-score01-1=64
| RD2-score01-2=2
| RD2-score01-3=
| RD2-seed02=
| RD2-team02= A Molteni  H Zeballos
| RD2-score02-1=77
| RD2-score02-2=6
| RD2-score02-3=

| RD2-seed03=
| RD2-team03= N Mektić  A Peya
| RD2-score03-1=7
| RD2-score03-2=6
| RD2-score03-3=
| RD2-seed04=
| RD2-team04= G Pella  D Schwartzman
| RD2-score04-1=5
| RD2-score04-2=3
| RD2-score04-3=

| RD2-seed05=LL
| RD2-team05= D Marrero  F Verdasco
| RD2-score05-1=7
| RD2-score05-2=3
| RD2-score05-3=[10]
| RD2-seed06=4
| RD2-team06= S González  J Peralta
| RD2-score06-1=5
| RD2-score06-2=6
| RD2-score06-3=[2]

| RD2-seed07=
| RD2-team07= R Jebavý  L Mayer
| RD2-score07-1=3
| RD2-score07-2=4
| RD2-score07-3=
| RD2-seed08=2
| RD2-team08= J Murray  B Soares
| RD2-score08-1=6
| RD2-score08-2=6
| RD2-score08-3=

| RD3-seed01=
| RD3-team01= A Molteni  H Zeballos
| RD3-score01-1=4
| RD3-score01-2=6
| RD3-score01-3=[7]
| RD3-seed02=
| RD3-team02= N Mektić  A Peya
| RD3-score02-1=6
| RD3-score02-2=3
| RD3-score02-3=[10]

| RD3-seed03=LL
| RD3-team03= D Marrero  F Verdasco
| RD3-score03-1=6
| RD3-score03-2=6
| RD3-score03-3=
| RD3-seed04=2
| RD3-team04= J Murray  B Soares
| RD3-score04-1=4
| RD3-score04-2=4
| RD3-score04-3=

| RD4-seed01=
| RD4-team01= N Mektić  A Peya
| RD4-score01-1=7
| RD4-score01-2=5
| RD4-score01-3=[8]
| RD4-seed02=LL
| RD4-team02= D Marrero  F Verdasco
| RD4-score02-1=5
| RD4-score02-2=7
| RD4-score02-3=[10]
}}

Eleme turu

Seribaşları

Elemeleri geçen tenisçiler 
  Nicolás Jarry /  Jiří Veselý

Şanslı kaybedenler 
  David Marrero /  Fernando Verdasco

Elemeler

Kaynakça 

 Ana Tablo 
 Eleme Tablosu 

Rio Açık - Çiftler
Rio Açık