2021 Columbus Challenger – Men's doubles

Treat Huey and Nathaniel Lammons were the defending champions^[1] but chose not to defend their title.

Men's doubles
2021 Columbus Challenger
Champions	Stefan Kozlov Peter Polansky
Runners-up	Andrew Lutschaunig James Trotter
Score	7–5, 7–6(7–5)

Main article: 2021 Columbus Challenger

Stefan Kozlov and Peter Polansky won the title after defeating Andrew Lutschaunig and James Trotter 7–5, 7–6^(7–5) in the final.

Seeds

1. Robert Galloway / Alex Lawson (semifinals)
2. Evan King / Jackson Withrow (quarterfinals)
3. Christian Harrison / Dennis Novikov (first round)
4. Nam Ji-sung / Song Min-kyu (quarterfinals)

Draw

Key

• Q = Qualifier
• WC = Wild card
• LL = Lucky loser
• Alt = Alternate
• ITF = ITF entry
• PR = Protected ranking
• SR = Special ranking
• SE = Special exempt
• JE = Junior exempt
• JR = Junior Accelerator Programme entrant
• CO = College Accelerator Programme entrant
• NG = Next Gen Accelerator Program entrant
• w/o = Walkover
• r = Retired
• d = Defaulted

	First round							Quarterfinals							Semifinals							Final
	1	R Galloway A Lawson	6	6
		D King R Roelofse	3	4				1	R Galloway A Lawson	6	6
	WC	C Kingsley Jake Van Emburgh	1	3					A Galarneau A Kovacevic	4	4
		A Galarneau A Kovacevic	6	6											1	R Galloway A Lawson	5	6	[2]
	4	J-s Nam M-k Song	6	3	[10]											S Kozlov P Polansky	7	3	[10]
		JC Aragone N Barrientos	2	6	[4]			4	J-s Nam M-k Song	3	78	[6]
		G Brouwer R Stalder	5	6	[7]				S Kozlov P Polansky	6	66	[10]
		S Kozlov P Polansky	7	4	[10]																		S Kozlov P Polansky	7	77
		N Mejía M Mmoh																				WC	A Lutschaunig J Trotter	5	65
		W Blumberg M Schnur	w/o						W Blumberg M Schnur	65	6	[8]
		Y-s Chung S-c Hong	5	7	[15]				Y-s Chung S-c Hong	77	4	[10]
	3	C Harrison D Novikov	7	5	[13]											Y-s Chung S-c Hong	2	4
	WC	Andrew Lutschaunig J Trotter	w/o												WC	A Lutschaunig J Trotter	6	6
	WC	J Boulais R Cash						WC	A Lutschaunig J Trotter	77	5	[10]
		T Fancutt J Kubler	6	2	[8]			2	E King J Withrow	64	7	[7]
	2	E King J Withrow	4	6	[10]