Singles
2021 Almaty Challenger II
Champion	Jesper de Jong
Runner-up	Marcelo Tomás Barrios Vera
Score	6–1, 6–2

Zizou Bergs was the defending champion^[1] but lost in the second round to Pavel Kotov.

Jesper de Jong won the title after defeating Marcelo Tomás Barrios Vera 6–1, 6–2 in the final.

Seeds

Draw

Finals

	Semifinals							Final
	1	Andrej Martin	3	0
		Marcelo Tomás Barrios Vera	6	6
									Marcelo Tomás Barrios Vera	1	2
								Q	Jesper de Jong	6	6
	Q	Jesper de Jong	6	77
		Mirza Bašić	4	63

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	A Martin	6	713
	Q	V Sachko	4	611				1	A Martin	6	6
		E Tiurnev	712	3	5			WC	D Yevseyev	4	2
	WC	D Yevseyev	610	6	7										1	A Martin	79	7
		C-h Tseng	5	6	2										8	B Schnur	67	5
		C Gimeno Valero	7	4	6				C Gimeno Valero	4	66
		A Menéndez Maceiras	5	3				8	B Schnur	6	78
	8	B Schnur	7	6																		1	A Martin	3	0
	4	L Giustino	63	4																			MT Barrios Vera	6	6
		P Kotov	77	6					P Kotov	6	4	6
		Z Bergs	6	5	6				Z Bergs	3	6	2
	Q	E Kırkın	4	7	2											P Kotov	3	6	4
		MT Barrios Vera	77	6												MT Barrios Vera	6	2	6
	Q	V Orlov	63	2					MT Barrios Vera	6	6
		N Serdarušić	4	3				5	D Popko	4	1
	5	D Popko	6	6

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	6	D Istomin	3	1
		R Bonadio	6	6					R Bonadio	6	77
		T-l Wu	4	5				LL	FC Jianu	1	62
	LL	FC Jianu	6	7												R Bonadio	66	2
		P Krstin	0r												Q	J de Jong	78	6
		T Gabashvili	3						T Gabashvili	3	2
	Q	J de Jong	6	6				Q	J de Jong	6	6
	3	K Coppejans	4	2																		Q	J de Jong	6	77
	7	J Menezes	6	6																			M Bašić	4	63
	WC	Dostanbek Tashbulatov	2	0				7	J Menezes	6	2	5
		M Bašić	6	6					M Bašić	4	6	7
	SE	T Skatov	3	1												M Bašić	6	7
		GM Moroni	4	6	4											GM Moroni	3	5
		D Kuzmanov	6	3	1r				GM Moroni	4	6	6
	WC	B Zhukayev	4	4				2	M Safwat	6	3	3
	2	M Safwat	6	6

References

External links

• Main draw
• Qualifying draw