2021 Knoxville Challenger – Doubles

Doubles

Final

Champions

Runners-up

Score

3–6, 6–3,

Events

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2021 tennis event results Main article: 2021 Knoxville Challenger

Hans Hach Verdugo and Adrián Menéndez Maceiras were the defending champions 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, in the final.

Seeds

First round				Quarterfinals				Semifinals				Final

1	H Hach Verdugo MÁ Reyes-Varela	6	7
WC	Emile Hudd Shunsuke Mitsui	7	6	1	H Hach Verdugo MÁ Reyes-Varela	6	2
WC	M Damm G Nanda	4	4		J Jung M Krueger	3	6
	J Jung M Krueger	6	6					1	H Hach Verdugo MÁ Reyes-Varela	6	5
3	E King H Reese	7	6					3	E King H Reese	3	7
Alt	D Marrero Y Uchiyama	6	4	3	E King H Reese	7	4
	C Harrison N Lammons	6	4		T Sandgren M Torpegaard	6	6
	T Sandgren M Torpegaard	7	6									1	H Hach Verdugo MÁ Reyes-Varela	6	3
	A Kadhe R Roelofse	3	6										M Jaziri B Rola	3	6
	M Jaziri B Rola	6	4		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	6
	JC Aragone D Novikov	1	3						R Gonzales C Rungkat	3	7
	R Gonzales C Rungkat	6	6		R Gonzales C Rungkat	6	7
	W Blumberg M Schnur	7	6		W Blumberg M Schnur	4	6
2	T Huey F Nielsen	6	2