Singles
2016 Astana Challenger Capital Cup
Champion	Yoshihito Nishioka
Runner-up	Denis Istomin
Score	6–4, 6–7(4–7), 7–6(7–3)

This was the first edition of the tournament.

Yoshihito Nishioka won the title after defeating Denis Istomin 6–4, 6–7^(4–7), 7–6^(7–3) in the final.

Seeds

Draw

Finals

	Semifinals							Final
	1	Yoshihito Nishioka	6	2
	4	Aleksandr Nedovyesov	4	1r
								1	Yoshihito Nishioka	6	64	77
								2	Denis Istomin	4	77	63
	Q	Temur Ismailov	2	77	3
	2	Denis Istomin	6	63	6

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	Y Nishioka	6	6
		T Chen	3	1				1	Y Nishioka	6	710
		S Mukund	4	4					S Fayziev	2	68
		S Fayziev	6	6											1	Y Nishioka	6	6
		Alexandr Igoshin	4	2												D Popko	2	4
		A Pavić	6	6					A Pavić	64	6	3
		D Popko	6	6					D Popko	77	3	6
	7	Yuya Kibi	3	2																		1	Y Nishioka	6	2
	4	A Nedovyesov	77	6																		4	A Nedovyesov	4	1r
		M İlhan	65	1				4	A Nedovyesov	6	6
		Jeremy Jahn	1	2					A Vatutin	4	3
		A Vatutin	6	6											4	A Nedovyesov	6	6
	WC	D Yevseyev	4	3												P Gunneswaran	2	3
		S-w Kwon	6	6					S-w Kwon	3	6	1
		P Gunneswaran	6	6					P Gunneswaran	6	4	6
	8	A Golubev	4	2

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	6	A Bublik	6	6
	Q	S Betov	4	4				6	A Bublik	3	77	6
	WC	J Karimov	1	3					D Masur	6	63	2
		D Masur	6	6											6	A Bublik	65	4
	WC	T Khabibulin	2	3											Q	T Ismailov	77	6
	Q	T Ismailov	6	6				Q	T Ismailov	6	4	6
	Q	D Molchanov	4	2				3	A Kudryavtsev	1	6	4
	3	A Kudryavtsev	6	6																		Q	T Ismailov	2	77	3
	5	N Milojević	77	6																		2	D Istomin	6	63	6
		V Ivanov	62	1				5	N Milojević	611	79	6
	WC	Sagadat Ayap	3	3				Q	Y-s Chung	713	67	3
	Q	Y-s Chung	6	6											5	N Milojević	2	0r
		C İlkel	6	65	7										2	D Istomin	6	0
		E Karlovskiy	0	77	5				C İlkel	4	2
		Robin Staněk	0	77	4			2	D Istomin	6	6
	2	D Istomin	6	63	6

References

• Main Draw
• Qualifying Draw