2019 Knoxville Challenger – Singles

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

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

Main article: 2019 Knoxville Challenger

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

Seeds

All seeds receive a bye into the second round.

1. Tommy Paul (semifinals)
2. Brayden Schnur (second round)
3. Bradley Klahn (second round)
4. Taro Daniel (second round)
5. Denis Kudla (second round)
6. Paolo Lorenzi (second round)
7. Marcos Giron (second round)
8. Christopher O'Connell (final)
9. Blaž Rola (quarterfinals)
10. Emilio Gómez (third round)
11. Peter Polansky (third round)
12. Darian King (second round)
13. Vasek Pospisil (third round, retired)
14. Maxime Janvier (withdrew)
15. Alexey Vatutin (second round)
16. Mitchell Krueger (second round)

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

Finals

	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

Top half

Section 1

	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

Section 2

	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

Bottom half

Section 3

	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

Section 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