View source for 2018 Istanbul Open

{{distinguish|2018 İstanbul Cup}}
{{TennisEventInfo|2018|Istanbul Open|
| date=30 April&ndash;6 May 2018
| edition=4th
| category=[[ATP World Tour 250 series|World Tour 250]]
| prize_money=€426,145
| draw=28S / 16D
| surface=[[Clay court|Clay]] / outdoor
| location=[[Istanbul]], Turkey
| venue=Koza World of Sports Arena
| champs={{flagicon|JPN}} [[Taro Daniel]]
| champd= {{flagicon|GBR}} [[Dominic Inglot]] / {{flagicon|SWE}} [[Robert Lindstedt]]
| after_year=no
}}

The '''2018 Istanbul Open''' (also known as the '''TEB BNP Paribas Istanbul Open''' for sponsorship purposes) was a men's [[tennis]] tournament played on [[Clay court|outdoor clay courts]].<ref>{{cite web|url=http://www.atpworldtour.com/en/tournaments/istanbul/7163/overview|title=TEB BNP Paribas Istanbul Open|date=19 April 2018}}</ref>  It was the fourth edition of the [[Istanbul Open]], and an [[ATP World Tour 250]] event. It took place at the Koza World of Sports Arena in [[Istanbul]], Turkey, from 30 April&ndash;6 May 2018.<ref>{{cite web |url=https://www.dailysabah.com/tennis/2018/05/01/2018-istanbul-open-kicks-off|title=2018 Istanbul Open kicks off|publisher=Daily Sabah |access-date=23 November 2018}}</ref>

==Singles main-draw entrants==

===Seeds===
{|class="sortable wikitable"
|-
! width="70"| Country
! width="175"| Player
! Rank<sup>1</sup> 
! Seed
|-
|{{flag|CRO}}
|[[Marin Čilić]]
|4
|1
|-
|{{flag|BIH}}
|[[Damir Džumhur]]
|32
|2
|-
|{{flag|ITA}}
|[[Andreas Seppi]]
|55
|3
|-
|{{flag|SLO}}
|[[Aljaž Bedene]]
|57
|4
|-
|{{flag|ITA}}
|[[Paolo Lorenzi]]
|66
|5
|-
|{{flag|SRB}}
|[[Viktor Troicki]]
|71
|6
|-
|{{flag|CZE}}
|[[Jiří Veselý]]
|78
|7
|-
|{{flag|GEO}}
|[[Nikoloz Basilashvili]]
|79
|8
|}
*Rankings are as of April 23, 2018.

===Other entrants===
The following players received [[Wild card (sports)|wildcards]] into the main draw:
* {{flagicon|TUR}} [[Marsel İlhan]]
* {{flagicon|TUR}} [[Cem İlkel]]
* {{flagicon|AUS}} [[Bernard Tomic]]

The following players received entry from the qualifying draw:
* {{flagicon|ESP}} [[Daniel Gimeno Traver]] 
* {{flagicon|BRA}} [[Thiago Monteiro (tennis)|Thiago Monteiro]]
* {{flagicon|ARG}} [[Marco Trungelliti]] 
* {{flagicon|SWE}} [[Elias Ymer]]

===Withdrawals===
;Before the tournament
* {{flagicon|CRO}} [[Borna Ćorić]] → replaced by {{flagicon|JPN}} [[Taro Daniel]]
* {{flagicon|URU}} [[Pablo Cuevas]] → replaced by {{flagicon|SRB}} [[Dušan Lajović]]
* {{flagicon|UKR}} [[Alexandr Dolgopolov]] → replaced by {{flagicon|RUS}} [[Mikhail Youzhny]]
* {{flagicon|SRB}} [[Filip Krajinović]] → replaced by {{flagicon|TUN}} [[Malek Jaziri]]
* {{flagicon|ARG}} [[Horacio Zeballos]] → replaced by {{flagicon|AUS}} [[John Millman]]

==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
|-style="background:#fcc;"
|{{flag|JPN}}
|[[Ben McLachlan]]
|{{flagu|USA}}
|[[Nicholas Monroe]]
|81
|1
|-
|{{flag|POL}}
|[[Marcin Matkowski]]
|{{flag|IND}}
|[[Divij Sharan]]
|88
|2
|-
|{{flag|CHI}}
|[[Hans Podlipnik Castillo]]
|{{flag|BLR}}
|[[Andrei Vasilevski (tennis)|Andrei Vasilevski]]
|104
|3
|-
|{{flag|GBR}}
|[[Ken Skupski]]
|{{flag|GBR}}
|[[Neal Skupski]]
|110
|4
|}
* Rankings are as of April 23, 2018.

===Other entrants===
The following pairs received wildcards into the doubles main draw:
* {{flagicon|TUR}} [[Tuna Altuna]] / {{flagicon|TUR}} [[Anıl Yüksel]] 
* {{flagicon|TUR}} [[Cem İlkel]] / {{flagicon|AUS}} [[Bernard Tomic]]

===Withdrawals===
;During the tournament
* {{flagicon|SRB}} [[Viktor Troicki]]

==Champions==

===Singles===
{{main|2018 Istanbul Open – Singles}}
* {{flagicon|JPN}} '''[[Taro Daniel]]''' def. {{flagicon|TUN}} [[Malek Jaziri]], 7–6<sup>(7–4)</sup>, 6–4

===Doubles===
{{main|2018 Istanbul Open – Doubles}}
* {{flagicon|GBR}} '''[[Dominic Inglot]]''' / {{flagicon|SWE}} '''[[Robert Lindstedt]]''' def. {{flagicon|JPN}} [[Ben McLachlan]] / {{flagicon|USA}} [[Nicholas Monroe]], 3–6, 6–3, [10–8]

==References==
{{reflist}}

==External links==
*[http://www.istopen.net/ Official website]

{{Istanbul Open tournaments}}
{{2018 ATP World Tour}}

{{DEFAULTSORT:Istanbul Open, 2018}}
[[Category:2018 in Istanbul]]
[[Category:2018 in Turkish tennis]]
[[Category:Istanbul Open|2018]]
[[Category:April 2018 sports events in Turkey]]
[[Category:May 2018 sports events in Turkey]]
[[Category:2018 ATP World Tour]]