John Isner was the defending champion, but lost in the second round to Dustin Brown.

Fernando Verdasco won the title, defeating Nicolás Almagro in the final, 6–3, 7–6^(7–4).^[1][2]

The top four seeds received a bye into the second round.

	Semifinals							Final
		Sam Querrey
	3	Nicolás Almagro	w/o
								3	Nicolás Almagro	3	64
								4	Fernando Verdasco	6	77
	4	Fernando Verdasco	6	7
		Santiago Giraldo	4	5

	First round							Second round							Quarterfinals							Semifinals
								1	J Isner	4	79	64
	WC	R Williams	1	2					D Brown	6	67	77
		D Brown	6	6												D Brown	3	710	3
		A Bogomolov Jr.	4	66												S Querrey	6	68	6
		S Querrey	6	78					S Querrey	6	6
	Q	P Polansky	4	6	4			7	L Hewitt	3	4
	7	L Hewitt	6	3	6																		S Querrey
																						3	N Almagro	w/o
								3	N Almagro	6	6
		M Russell	6	77					M Russell	2	3
		D Gimeno Traver	3	62											3	N Almagro	6	6
		B Becker	6	1	6											J Sock	2	4
	Q	R Ramírez Hidalgo	1	6	3				B Becker	4	3
		J Sock	6	6					J Sock	6	6
	8	I Karlović	1	4

	First round							Second round							Quarterfinals							Semifinals
	6	J Mónaco	77	6
		S Devvarman	64	2				6	J Mónaco	77	4	3
	Q	R Harrison	0	1					D Young	64	6	6
		D Young	6	6												D Young	61	1
	WC	S Johnson	6	77											4	F Verdasco	77	6
		D Kudla	3	64				WC	S Johnson	0	6	3
								4	F Verdasco	6	4	6
																						4	F Verdasco	6	7
	5	F López	7	6																			S Giraldo	4	5
	Q	R Ginepri	5	2				5	F López	3	0r
	WC	M Baghdatis	6	2	1				A González	6	2
		A González	4	6	6											A González	3	4
		S Giraldo	6	6												S Giraldo	6	6
		M Ebden	1	2					S Giraldo	6	6
								2	T Robredo	3	4

	First round							Second round							Qualifying competition
	1	Ryan Harrison	6	6
		Andrew Carter	4	4
								1	Ryan Harrison	6	5	6
									Louk Sorensen	0	7	4
	WC	Bayo Philips	1	0
		Louk Sorensen	6	6
															1	Ryan Harrison	1	7	77
															6	Ruben Bemelmans	6	5	63
	WC	Adam Gustavsson	6	0	4
	WC	Srikar Alla	3	6	6
								WC	Srikar Alla	2	2
								6	Ruben Bemelmans	6	6
		Mitchell Krueger	5	3
	6	Ruben Bemelmans	7	6

	First round							Second round							Qualifying competition
	2	Alex Kuznetsov	6	2	1
		Robby Ginepri	2	6	6
									Robby Ginepri	6	65	6
									Bjorn Fratangelo	3	77	3
		Purav Raja	4	3
		Bjorn Fratangelo	6	6
																Robby Ginepri	7	78
																Thanasi Kokkinakis	5	66
		Fritz Wolmarans	7	2	2
		Thanasi Kokkinakis	5	6	6
									Thanasi Kokkinakis	6	6
								8	Illya Marchenko	1	4
		John-Patrick Smith	4	2
	8	Illya Marchenko	6	6

	First round							Second round							Qualifying competition
	3	Peter Polansky	79	6
		Erik Crepaldi	67	1
								3	Peter Polansky	77	77
									Ante Pavić	63	64
		Ante Pavić	77	6
		Andrea Arnaboldi	62	3
															3	Peter Polansky	6	6
															5	Thiemo de Bakker	4	3
		Alexander Zverev	5	6	2r
		Mischa Zverev	7	4	3
									Mischa Zverev	64	6	1
								5	Thiemo de Bakker	77	1	6
		Bojan Szumański	0	1
	5	Thiemo de Bakker	6	6

	First round							Second round							Qualifying competition
	4	Wayne Odesnik	2	3
		Jason Kubler	6	6
									Jason Kubler	3	4
									Takanyi Garanganga	6	6
		Takanyi Garanganga	65	77	6
		Nils Langer	77	62	2
																Takanyi Garanganga	1	7	3
															7	Rubén Ramírez Hidalgo	6	5	6
		Greg Ouellette	6	6
	WC	David Warren	3	3
									Greg Ouellette	3	3
								7	Rubén Ramírez Hidalgo	6	6
		Patrick Davidson	1	0
	7	Rubén Ramírez Hidalgo	6	6

• Main Draw
• Qualifying Draw