Men's singles
2021 Columbus Challenger
Champion	Stefan Kozlov
Runner-up	Max Purcell
Score	4–6, 6–2, 6–4

J. J. Wolf was the defending champion^[1] but lost in the semifinals to Stefan Kozlov.

Kozlov won the title after defeating Max Purcell 4–6, 6–2, 6–4 in the final.

Seeds

Draw

Finals

	Semifinals							Final
	7	J. J. Wolf	6	3	5
		Stefan Kozlov	2	6	7
									Stefan Kozlov	4	6	6
									Max Purcell	6	2	4
		Aleksandar Vukic	63	66
		Max Purcell	77	78

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	T Sandgren	6	6
	LL	A Galarneau	3	2				1	T Sandgren	6	6
	Q	G Brouwer	77	6				Q	G Brouwer	4	4
		D King	61	0											1	T Sandgren	3	6	65
		JC Aragone	4	4											7	J. J. Wolf	6	3	77
	Q	E King	6	6				Q	E King	3	0
		M Sasikumar	3	2				7	J. J. Wolf	6	6
	7	J. J. Wolf	6	6																		7	J. J. Wolf	6	3	5
	4	P Gunneswaran	3	6	7																		S Kozlov	2	6	7
	Q	A Kovacevic	6	3	5			4	P Gunneswaran	1	4
	LL	S Mochizuki	3	77	65				M Torpegaard	6	6
		M Torpegaard	6	63	77											M Torpegaard	6	64	4
		J Kubler	78	6												S Kozlov	2	77	6
		P Polansky	66	4					J Kubler	2	5
		S Kozlov	6	6					S Kozlov	6	7
	8	M Krueger	0	3

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	6	E Escobedo	4	5
		A Vukic	6	7					A Vukic	77	7
	WC	Matěj Vocel	7	1	63			WC	C Kingsley	64	5
	WC	C Kingsley	5	6	77											A Vukic	7	6
	Q	Y-s Chung	6	4	63										3	A Bolt	5	4
		J-s Nam	3	6	77				J-s Nam	65	4
		N Rubin	65	64				3	A Bolt	77	6
	3	A Bolt	77	77																			A Vukic	63	66
	5	J Jung	3	4																			M Purcell	77	78
		R Peniston	6	6					R Peniston	3	67
	WC	James Tracy	3	2					M Purcell	6	79
		M Purcell	6	6												M Purcell	6	3	6
	Alt	N Chappell	0r													N Mejía	4	6	0
		N Mejía	5						N Mejía	6	0	6
	Alt	D Kelly	6	3				Alt	D Kelly	4	6	2
	2	S Caruso	2	0r

References

External links

• Main draw
• Qualifying draw