2018 Amex-Istanbul Challenger

Country	Player	Rank1	Seed
ITA	Thomas Fabbiano	110	1
FRA	Corentin Moutet	112	2
ESP	Adrián Menéndez Maceiras	114	3
FRA	Quentin Halys	156	4
FRA	Constant Lestienne	171	5
GER	Oscar Otte	183	6
NED	Tallon Griekspoor	187	7
AUT	Lucas Miedler	219	8

• ¹ Rankings are as of 27 August 2018.^[1]

The following players received wildcards into the singles main draw:

• Ergi Kırkın
• Nicola Kuhn
• Aleksandre Metreveli
• Anıl Yüksel

The following player received entry into the singles main draw as a special exempt:

• Enzo Couacaud

The following player received entry into the singles main draw as an alternate:

• Hugo Grenier

The following players received entry from the qualifying draw:

• Altuğ Çelikbilek
• Youssef Hossam
• Tim van Rijthoven
• Tak Khunn Wang

• Corentin Moutet def. Quentin Halys 6–3, 6–4.

• Rameez Junaid / Purav Raja def. Timur Khabibulin / Vladyslav Manafov 7–6^(7–4), 4–6, [10–7].