2019 Nur-Sultan Challenger

Country	Player	Rank1	Seed
FRA	Corentin Moutet	96	1
RUS	Evgeny Donskoy	116	2
TUN	Malek Jaziri	117	3
BLR	Ilya Ivashka	134	4
GER	Yannick Maden	136	5
SRB	Viktor Troicki	151	6
UZB	Denis Istomin	165	7
RUS	Alexey Vatutin	195	8
BEL	Ruben Bemelmans	202	9
KAZ	Dmitry Popko	209	10
ITA	Matteo Viola	213	11
KAZ	Aleksandr Nedovyesov	216	12
RUS	Roman Safiullin	229	13
IND	Sasikumar Mukund	233	14
JPN	Hiroki Moriya	250	15
RUS	Evgeny Karlovskiy	256	16

• ¹ Rankings are as of 23 September 2019.^[1]

The following players received wildcards into the singles main draw:

• Andrei Iakovlev
• Jurabek Karimov
• Timur Khabibulin
• Dostanbek Tashbulatov
• Beibit Zhukayev

The following player received entry into the singles main draw using a protected ranking:

• Maximilian Neuchrist

The following players received entry from the qualifying draw:

• Savriyan Danilov
• Fabien Reboul

The following player received entry as a lucky loser:

• Sagadat Ayap

• Illya Marchenko def. Yannick Maden 4–6, 6–4, 6–3.

• Harri Heliövaara / Illya Marchenko def. Karol Drzewiecki / Szymon Walków 6–4, 6–4.