2021 Nur-Sultan Challenger II – Singles

This was the second of two editions of the tournament in the 2021 tennis season. Mackenzie McDonald was the defending champion but lost in the second round to Tomáš Macháč.

Singles
2021 Nur-Sultan Challenger II
Champion	Tomáš Macháč
Runner-up	Sebastian Ofner
Score	4–6, 6–4, 6–4

Main article: 2021 Nur-Sultan Challenger II

Macháč won the title after defeating Sebastian Ofner 4–6, 6–4, 6–4 in the final.

Seeds

1. Kwon Soon-woo (quarterfinals)
2. Emil Ruusuvuori (first round)
3. Mikhail Kukushkin (first round)
4. James Duckworth (quarterfinals)
5. Taro Daniel (semifinals)
6. Evgeny Donskoy (first round)
7. Henri Laaksonen (first round)
8. Prajnesh Gunneswaran (semifinals)

Draw

Key

• Q = Qualifier
• WC = Wild card
• LL = Lucky loser
• Alt = Alternate
• SE = Special exempt
• PR = Protected ranking
• ITF = ITF entry
• JE = Junior exempt
• w/o = Walkover
• r = Retired
• d = Defaulted
• SR = Special ranking

Finals

	Semifinals							Final
		Tomáš Macháč	6	1	6
	8	Prajnesh Gunneswaran	3	6	2
									Tomáš Macháč	4	6	6
									Sebastian Ofner	6	4	4
		Sebastian Ofner	6	6
	5	Taro Daniel	3	4

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	S-w Kwon	7	6
		B Rola	5	2				1	S-w Kwon	79	6
		P Polansky	77	4					P Polansky	67	4
	LL	U Blanch	62	3r											1	S-w Kwon	2	1
		M McDonald	6	4	6											T Macháč	6	6
		B Schnur	3	6	4				M McDonald	4	1
		T Macháč	7	6					T Macháč	6	6
	7	H Laaksonen	5	2																			T Macháč	6	1	6
	4	J Duckworth	6	5	7																	8	P Gunneswaran	3	6	2
	Q	A Kachmazov	4	7	5			4	J Duckworth	6	65	7
	WC	A Nedovyesov	5	3				Q	V Manafov	2	77	5
	Q	V Manafov	7	6											4	J Duckworth	4	6	61
	WC	D Yevseyev	4	6	3										8	P Gunneswaran	6	2	77
		T Ito	6	2	6				T Ito	3	0r
	LL	J Lenz	6	2	3			8	P Gunneswaran	6	2
	8	P Gunneswaran	3	6	6

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	6	E Donskoy	2	4
		S Ofner	6	6					S Ofner	6	77
		D Popko	4	4				WC	T Skatov	3	64
	WC	T Skatov	6	6												S Ofner	77	4	7
		R Ramanathan	6	3	6											F Ferreira Silva	62	6	5
		H Grenier	4	6	3				R Ramanathan	4	5
		F Ferreira Silva	6	7					F Ferreira Silva	6	7
	3	M Kukushkin	3	5																			S Ofner	6	6
	5	T Daniel	6	6																		5	T Daniel	3	4
	Q	R Peniston	2	4				5	T Daniel	6	6
		A Müller	3	1r					D Istomin	2	4
		D Istomin	6	3											5	T Daniel	6	6
	Q	T-l Wu	6	4	77										Q	T-l Wu	2	1
		M Kližan	3	6	65			Q	T-l Wu	6	710
		V Troicki	6	6					V Troicki	3	68
	2	E Ruusuvuori	4	2

External links

• Main draw
• Qualifying draw