2019 Las Vegas Challenger – Singles

Singles
2019 Las Vegas Challenger
Champion	Vasek Pospisil
Runner-up	James Duckworth
Score	7–5, 6–7(11–13), 6–3

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

Vasek Pospisil won the title after defeating James Duckworth 7–5, 6–7^(11–13), 6–3 in the final.

All seeds receive a bye into the second round.

	Quarterfinals							Semifinals							Final
	1/WC	Steve Johnson	4	78	66
		Ernesto Escobedo	6	66	78
									Ernesto Escobedo	4	65
								5	James Duckworth	6	77
	WC	Stefan Kozlov	2	3
	5	James Duckworth	6	6
															5	James Duckworth	5	713	3
																Vasek Pospisil	7	611	6
	10	Christopher O'Connell	79	3	78
	3	Marcos Giron	67	6	66
								10	Christopher O'Connell	4	3
									Vasek Pospisil	6	6
		Vasek Pospisil	6	6
	2	Taro Daniel	4	1

	First round							Second round							Third round							Quarterfinals
								1/WC	S Johnson	w/o
		JC Aragone	77	7					JC Aragone
		L Lokoli	65	5											1/WC	S Johnson	6	6
		Mi Redlicki	6	2	6											Mi Redlicki	4	4
		F Peliwo	2	6	2				Mi Redlicki	6	7
								16	J. J. Wolf	3	5
																						1/WC	S Johnson	4	78	66
																							E Escobedo	6	66	78
								9	N Kuhn	68	6	1
	Q	D Novikov	3	4					E Escobedo	710	3	6
		E Escobedo	6	6												E Escobedo	7	3	6
		L Glasspool	7	77											6	E Gómez	5	6	3
		Ma Redlicki	5	64					L Glasspool	2	77	3
								6	E Gómez	6	62	6

	First round							Second round							Third round							Quarterfinals
								4	B Rola	4	3
	WC	S Kozlov	6	6				WC	S Kozlov	6	6
	WC	Evan Song	4	3											WC	S Kozlov	5	6	6
		A Ritschard	7	6												A Ritschard	7	4	1
	WC	A Cozbinov	5	4					A Ritschard	6	5
								14	A Tabilo	2	3r
																						WC	S Kozlov	2	3
																						5	J Duckworth	6	6
								12	D Popko	6	6
		A Çelikbilek	4	2					R Quiroz	3	0
		R Quiroz	6	6											12	D Popko	3	4
		Roy Smith	6	4	6										5	J Duckworth	6	6
		M Arévalo	2	6	3				R Smith	4	4
								5	J Duckworth	6	6

	First round							Second round							Third round							Quarterfinals
								8	D King	77	4	3
		J Draper	5	63					R Peniston	65	6	6
		R Peniston	7	77												R Peniston	3	7	2
		N Mejía	4	6	6										10	C O'Connell	6	5	6
		T Bellucci	6	1	3				N Mejía	3	2
								10	C O'Connell	6	6
																						10	C O'Connell	79	3	78
																						3	M Giron	67	6	66
								13	J Sock	67	0r
	Q	M Pervolarakis	6	6				Q	M Pervolarakis	79	1
	WC	Alex Kobelt	1	3											Q	M Pervolarakis	0	64
		C Altamirano	3	5											3	M Giron	6	77
		K King	6	7					K King	4	3
								3	M Giron	6	6

	First round							Second round							Third round							Quarterfinals
								7	P Polansky	1	2
		V Pospisil	6	6					V Pospisil	6	6
		M Mmoh	3	2												V Pospisil	6	6
		L Broady	6	2	77										11	M Krueger	4	1
		R Cid Subervi	3	6	63				L Broady	4	2
								11	M Krueger	6	6
																							V Pospisil	6	6
																						2	T Daniel	4	1
								15	D Young	69	5
		G Escobar	61	6	6				G Escobar	711	7
		S Korda	77	1	2											G Escobar	3	3
		S Bangoura	65	77	6										2	T Daniel	6	6
		E King	77	64	4				S Bangoura	4	64
								2	T Daniel	6	77

• Main draw
• Qualifying draw