2018 Istanbul Open

{{distinguish|2018 İstanbul Cup}}

{{TennisEventInfo|2018|Istanbul Open|

| date=30 April–6 May 2018

| edition=4th

| category=World Tour 250

| prize_money=€426,145

| draw=28S / 16D

| surface=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 outdoor clay courts.{{cite web|url=http://www.atpworldtour.com/en/tournaments/istanbul/7163/overview|title=TEB BNP Paribas Istanbul Open|date=19 April 2018}} 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–6 May 2018.{{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}}

Singles main-draw entrants

=Seeds=

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

! width="175"| Player

! Rank1

! 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 wildcards into the main draw:

The following players received entry from the qualifying draw:

=Withdrawals=

;Before the tournament

Doubles main-draw entrants

=Seeds=

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

! width="175"| Player

! width="70"| Country

! width="175"| Player

! Rank1

! 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

|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:

=Withdrawals=

;During the tournament

Champions

=Singles=

{{main|2018 Istanbul Open – Singles}}

=Doubles=

{{main|2018 Istanbul Open – Doubles}}

References

{{reflist}}