2018 Istanbul Open
 |
| 2018 Istanbul Open | |
|---|---|
| Date | 30 April–6 May 2018 |
| Edition | 4th |
| Category | World Tour 250 |
| Draw | 28S / 16D |
| Prize money | €426,145 |
| Surface | Clay / outdoor |
| Location | Istanbul, Turkey |
| Venue | Koza World of Sports Arena |
| 2017 Champions | |
| Singles | |
 Marin Čilić | |
| Doubles | |
 Roman Jebavý / Jiří Veselý | |
The 2018 Istanbul Open (also known as the TEB BNP Paribas Istanbul Open for sponsorship purposes) is a men's tennis tournament played on outdoor clay courts.[1] It will be the fourth edition of the Istanbul Open, and an ATP World Tour 250 event. It will take place at the Koza World of Sports Arena in Istanbul, Turkey, from 30 April–6 May 2018.
Singles main draw entrants
Seeds
| Country | Player | Rank1 | Seed |
|---|---|---|---|
| CRO
|
Marin Čilić | 4 | 1 |
 SRB
|
Filip Krajinović | 26 | 2 |
 BIH
|
Damir Džumhur | 32 | 3 |
| CRO
|
Borna Ćorić | 38 | 4 |
 URU
|
Pablo Cuevas | 46 | 5 |
 UKR
|
Alexandr Dolgopolov | 54 | 6 |
 ITA
|
Andreas Seppi | 55 | 7 |
 SLO
|
Aljaž Bedene | 57 | 8 |
- Rankings are as of April 23, 2018.
Other entrants
The following players received wildcards into the main draw:
The following players received entry via the qualifying draw:
Withdrawals
- Before the tournament
- Borna Ćorić → replaced by Marco Cecchinato
- Filip Krajinović → replaced by
Malek Jaziri 
Horacio Zeballos → replaced by 
John Millman
Doubles main draw entrants
Seeds
| Country | Player | Country | Player | Rank1 | Seed |
|---|---|---|---|---|---|
 [[|]]
|
[[]] | [[|]]
|
[[]] | 1 | |
| [[|]]
|
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|
[[]] | 2 | |
| [[|]]
|
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|
[[]] | 3 | |
| [[|]]
|
[[]] | [[|]]
|
[[]] | 4 |
- Rankings are as of April 23, 2018.
Other entrants
The following pairs received wildcards into the doubles main draw:
- /
- /
Champions
Singles
- vs.
Doubles
- / vs. /
References
- ^ "TEB BNP Paribas Istanbul Open". 19 April 2018.