Singles
2018 Almaty Challenger 2
Champion	Denis Istomin
Runner-up	Nikola Milojević
Score	6–7(4–7), 7–6(7–5), 6–2

Jurij Rodionov was the defending champion but chose not to defend his title.

Denis Istomin won the title after defeating Nikola Milojević 6–7^(4–7), 7–6^(7–5), 6–2 in the final.

Seeds

Draw

Finals

	Semifinals							Final
	1	Denis Istomin	3	6	6
	8	Lukáš Rosol	6	3	4
								1	Denis Istomin	64	77	6
									Nikola Milojević	77	65	2
	3	Mirza Bašić	6	63	3
		Nikola Milojević	3	77	6

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	D Istomin	6	7
		F Ferreira Silva	3	5				1	D Istomin	6	6
		M Safwat	6	4	77				M Safwat	2	1
	Q	K Sultanov	2	6	64										1	D Istomin	6	6
		A Bublik	3	3											7	M Kecmanović	3	4
		K Majchrzak	6	6					K Majchrzak	65	6	61
		R Safiullin	3	6	2			7	M Kecmanović	77	4	77
	7	M Kecmanović	6	3	6																	1	D Istomin	3	6	6
	4	Q Halys	2	4																		8	L Rosol	6	3	4
		T Kamke	6	6					T Kamke	2	6	6
		I Nedelko	4	6	4			WC	D Yevseyev	6	2	0
	WC	D Yevseyev	6	4	6											T Kamke	1	4
		T-h Yang	77	6											8	L Rosol	6	6
	Q	T Gabashvili	65	4					T-h Yang	62	6	2
		E Karlovskiy	6	3	4			8	L Rosol	77	3	6
	8	L Rosol	2	6	6

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	6	E López Pérez	6	3	4
	Q	I Marchenko	3	6	6			Q	I Marchenko	3	6	6
	WC	Sagadat Ayap	3	3					Z Kolář	6	4	4
		Z Kolář	6	6											Q	I Marchenko	5	2r
		G Oliveira	6	77											3	M Bašić	7	4
	LL	R Statham	1	64					G Oliveira	64	7	4
		D Petrović	3	3				3	M Bašić	77	5	6
	3	M Bašić	6	6																		3	M Bašić	6	63	3
	5	F Auger-Aliassime	4	6	5																		N Milojević	3	77	6
		N Milojević	6	1	7				N Milojević	6	3	6
		A Nedovyesov	6	6					A Nedovyesov	3	6	1
	WC	Dostanbek Tashbulatov	3	1												N Milojević	7	6
	LL	A Dubrivnyy	77	6												S Griekspoor	5	2
		U Ignatik	65	4				LL	A Dubrivnyy	1	5
		S Griekspoor	7	4	6				S Griekspoor	6	7
	Q	A Escoffier	5	6	3

References

• Main Draw
• Qualifying Draw