2019 Las Vegas Challenger – Singles

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

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

Main article: 2019 Las Vegas Challenger

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

Seeds

All seeds receive a bye into the second round.

1. Steve Johnson (quarterfinals)
2. Taro Daniel (quarterfinals)
3. Marcos Giron (quarterfinals)
4. Blaž Rola (second round)
5. James Duckworth (final)
6. Emilio Gómez (third round)
7. Peter Polansky (second round)
8. Darian King (second round)
9. Nicola Kuhn (second round)
10. Christopher O'Connell (semifinals)
11. Mitchell Krueger (third round)
12. Dmitry Popko (third round)
13. Jack Sock (second round, retired)
14. Alejandro Tabilo (second round, retired)
15. Donald Young (second round)
16. J. J. Wolf (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/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

Top half

Section 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

Section 2

	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

Bottom half

Section 3

	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

Section 4

	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