Doubles
2021 Knoxville Challenger
Champions	Malek Jaziri Blaž Rola
Runners-up	Hans Hach Verdugo Miguel Ángel Reyes-Varela
Score	3–6, 6–3, [10–5]

Hans Hach Verdugo and Adrián Menéndez Maceiras were the defending champions^[1] but only Hach Verdugo chose to defend his title, partnering Miguel Ángel Reyes-Varela. Hach Verdugo lost in the final to Malek Jaziri and Blaž Rola.

Jaziri and Rola won the title after defeating Hach Verdugo and Reyes-Varela 3–6, 6–3, [10–5] in the final.

Seeds

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

	First round							Quarterfinals							Semifinals							Final
	1	H Hach Verdugo MÁ Reyes-Varela	63	77	[10]
	WC	Emile Hudd Shunsuke Mitsui	77	64	[6]			1	H Hach Verdugo MÁ Reyes-Varela	6	2	[12]
	WC	M Damm G Nanda	4	4					J Jung M Krueger	3	6	[10]
		J Jung M Krueger	6	6											1	H Hach Verdugo MÁ Reyes-Varela	6	5	[10]
	3	E King H Reese	77	6											3	E King H Reese	3	7	[2]
	Alt	D Marrero Y Uchiyama	63	4				3	E King H Reese	79	4	[14]
		C Harrison N Lammons	67	4					T Sandgren M Torpegaard	67	6	[12]
		T Sandgren M Torpegaard	79	6																		1	H Hach Verdugo MÁ Reyes-Varela	6	3	[5]
		A Kadhe R Roelofse	3	6	[6]																		M Jaziri B Rola	3	6	[10]
		M Jaziri B Rola	6	4	[10]				M Jaziri B Rola	6	6
	WC	Martim Leote Prata J Monday	3	4				4	R Galloway A Lawson	2	2
	4	R Galloway A Lawson	6	6												M Jaziri B Rola	6	66	[11]
		JC Aragone D Novikov	1	3												R Gonzales C Rungkat	3	78	[9]
		R Gonzales C Rungkat	6	6					R Gonzales C Rungkat	6	78
		W Blumberg M Schnur	77	6					W Blumberg M Schnur	4	66
	2	T Huey F Nielsen	63	2

References

External links

• Main draw