2019 Knoxville Challenger – Singles

Singles
2019 Knoxville Challenger
Champion	Michael Mmoh
Runner-up	Christopher O'Connell
Score	6–4, 6–4

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

Michael Mmoh won the title after defeating Christopher O'Connell 6–4, 6–4 in the final.

All seeds receive a bye into the second round.

	Quarterfinals							Semifinals							Final
	1	Tommy Paul	2	6	77
	9	Blaž Rola	6	1	64
								1	Tommy Paul	63	3
								8	Christopher O'Connell	77	6
		Ernesto Escobedo	77	4	4
	8	Christopher O'Connell	62	6	6
															8	Christopher O'Connell	4	4
																Michael Mmoh	6	6
		Michael Mmoh	6	6
	WC	Aleksandar Kovacevic	4	3
									Michael Mmoh	6	77
									Liam Broady	2	65
		Liam Broady	6	1	6
		Gijs Brouwer	3	6	3

	First round							Second round							Third round							Quarterfinals
								1	T Paul	6	610	77
		E King	5	6	6				E King	2	712	61
	WC	Nathan Ponwith	7	4	2										1	T Paul	6	0
		S Korda	67	7	6										13	V Pospisil	4	0r
		R Peniston	79	5	0				S Korda	4	4
								13	V Pospisil	6	6
																						1	T Paul	2	6	77
																						9	B Rola	6	1	64
								9	B Rola	6	6
	Q	A Vavassori	713	6				Q	A Vavassori	3	4
		Mi Redlicki	611	2											9	B Rola	6	6
		R Quiroz	712	2	3											D Popko	4	4
		D Popko	610	6	6				D Popko	4	6	6
								6	P Lorenzi	6	2	4

	First round							Second round							Third round							Quarterfinals
								4	T Daniel	66	4
		A Menéndez Maceiras	6	3	2				J. J. Wolf	78	6
		J. J. Wolf	2	6	6											J. J. Wolf	3	2
		JC Aragone	612	64												E Escobedo	6	6
		E Escobedo	714	77					E Escobedo	5	7	6
								15	A Vatutin	7	5	3
																							E Escobedo	77	4	4
																						8	C O'Connell	62	6	6
								11	P Polansky	6	7
		B Kavčič	2	62					E Leshem	2	5
		E Leshem	6	77											11	P Polansky	2	3
		K King	6	6											8	C O'Connell	6	6
		E Hoyt	1	4					K King	5	3
								8	C O'Connell	7	6

	First round							Second round							Third round							Quarterfinals
								5	D Kudla	65	2
		Roy Smith	6	3	6				R Smith	77	6
	WC	Scott Jones	3	6	4											R Smith	4	2
		R Cid Subervi	1	2												M Mmoh	6	6
		M Mmoh	6	6					M Mmoh	6	2	6
								12	D King	3	6	0
																							M Mmoh	6	6
																						WC	A Kovacevic	4	3
								16	M Krueger	6	64	4
	Q	S Kirchheimer	2	711	3				S Bangoura	3	77	6
		S Bangoura	6	69	6											S Bangoura	4	6	4
	WC	A Kovacevic	7	7											WC	A Kovacevic	6	4	6
		K Uchida	5	5				WC	A Kovacevic	3	79	6
								3	B Klahn	6	67	4

	First round							Second round							Third round							Quarterfinals
								7	M Giron	6	63	5
		L Broady	77	6					L Broady	2	77	7
		D Young	65	3												L Broady	7	5	7
		A Ritschard	4	77	6										10	E Gómez	5	7	5
	WC	Z Svajda	6	64	3				A Ritschard	6	1	2
								10	E Gómez	3	6	6
																							L Broady	6	1	6
																							G Brouwer	3	6	3
								LL	L Glasspool	65	6	65
	WC	B Nakashima	6	6				WC	B Nakashima	77	3	77
		F Peliwo	2	2											WC	B Nakashima	2	3
		G Brouwer	6	6												G Brouwer	6	6
		J Sels	3	2					G Brouwer	7	6
								2	B Schnur	5	3

• Main draw
• Qualifying draw