Singles
2021 Las Vegas Challenger
Champion	J. J. Wolf
Runner-up	Stefan Kozlov
Score	6–4, 6–4

Vasek Pospisil was the defending champion^[1] but chose not to defend his title.

J. J. Wolf won the title after defeating Stefan Kozlov 6–4, 6–4 in the final.

Seeds

Draw

Finals

	Semifinals							Final
	Alt	Stefan Kozlov	6	6
	WC	Aleksandar Kovacevic	2	4
								Alt	Stefan Kozlov	4	4
									J. J. Wolf	6	6
		Michael Mmoh	3	2
		J. J. Wolf	6	6

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	S Johnson	4	4
	LL	A McHugh	6	6				LL	A McHugh	2	7	613
	Q	M Sasikumar	2	4				Alt	S Kozlov	6	5	715
	Alt	S Kozlov	6	6											Alt	S Kozlov	77	6
		J Kubler	65	6	78										7	E Gómez	63	4
		Yo Watanuki	77	0	66				J Kubler	6	0	68
		C-M Stebe	62	0				7	E Gómez	2	6	710
	7	E Gómez	77	6																		Alt	S Kozlov	6	6
	4	D Altmaier	78	6																		WC	A Kovacevic	2	4
		Y Uchiyama	66	1				4	D Altmaier	67	3
	WC	A Kovacevic	6	3	77			WC	A Kovacevic	79	6
		C Eubanks	1	6	65										WC	A Kovacevic	6	6
	Q	D Young	4	4											5	T Daniel	3	2
		T Ito	6	6					T Ito	2	1
	WC	Jordan Sauer	0	2				5	T Daniel	6	6
	5	T Daniel	6	6

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	6	M Krueger	4	1
		A Vukic	6	6					A Vukic	4	4
		M Mmoh	6	6					M Mmoh	6	6
	LL	N Chappell	2	1												M Mmoh	6	65	6
	Q	D Kelly	6	6												M Torpegaard	1	77	1
	WC	Christopher Bulus	3	2				Q	D Kelly	2	3
		M Torpegaard	64	7	3				M Torpegaard	6	6
	3	T Sandgren	77	5	0r																		M Mmoh	3	2
	8	J Jung	5	2																			J. J. Wolf	6	6
		T-S Kwiatkowski	7	6					T-S Kwiatkowski	5	2
		B Fratangelo	78	62	65				E Escobedo	7	6
		E Escobedo	66	77	77											E Escobedo	3	3
	Q	S Mochizuki	3	5												J. J. Wolf	6	6
		J. J. Wolf	6	7					J. J. Wolf	4	6	6
		B Schnur	3	2				2	D Kudla	6	3	0
	2	D Kudla	6	6

References

External links

• Main draw
• Qualifying draw