Ivo Karlović was the defending champion from when the tournament was last held in 2008, but chose not to participate.

Denis Istomin won the title, defeating Sam Querrey in the final, 7–6^(7–1), 7–6^(8–6).

All seeds receive a bye into the second round.

	Quarterfinals							Semifinals							Final
		Marcos Baghdatis	6	6
		Simone Bolelli	4	4
									Marcos Baghdatis	2r
									Denis Istomin	1
	4	Leonardo Mayer	3	710	66
		Denis Istomin	6	68	78
																Denis Istomin	77	78
															12	Sam Querrey	61	66
		Alexandr Dolgopolov	6	4	77
		Lu Yen-hsun	4	6	64
									Alexandr Dolgopolov	6	3	5
								12	Sam Querrey	4	6	7
	12	Sam Querrey	5	710	6
	2	Gilles Simon	7	68	4

	First round							Second round							Third round							Quarterfinals
								1	D Ferrer	2	64
		V Estrella Burgos	5	0r					M Baghdatis	6	77
		M Baghdatis	7	3												M Baghdatis	6	6
	WC	A Zverev	6	6											WC	A Zverev	3	3
		M Kukushkin	0	2				WC	A Zverev	67	6	6
								13	T Bellucci	79	3	4
																							M Baghdatis	6	6
																							S Bolelli	4	4
								10	M Kližan	3	77	1
		S Bolelli	6	6					S Bolelli	6	64	6
	Q	G Soeda	3	2												S Bolelli	3	6	6
		D Schwartzman	1	77	2										8	A Mannarino	6	4	4
		A Bedene	6	65	6				A Bedene	64	4
								8	A Mannarino	77	6

	First round							Second round							Third round							Quarterfinals
								4	L Mayer	6	6
		H Chung	6	78					H Chung	3	1
		A Ramos Viñolas	4	66											4	L Mayer	77	77
	WC	J Ward	6	63	1										16	J Veselý	62	65
		T Smyczek	1	77	6				T Smyczek	1	3
								16	J Veselý	6	6
																						4	L Mayer	3	710	66
																							D Istomin	6	68	78
								9	J Mónaco	1	2
	PR	N Almagro	1	4					D Istomin	6	6
		D Istomin	6	6												D Istomin	7	6
		S Stakhovsky	6	6												S Stakhovsky	5	4
		S Johnson	4	3					S Stakhovsky	6	6
								6	V Troicki	4	2

	First round							Second round							Third round							Quarterfinals
								7	D Thiem	6	6
		M Jaziri	77	77					M Jaziri	3	1
	WC	K Edmund	64	65											7	D Thiem	3	3
		A Dolgopolov	6	6												A Dolgopolov	6	6
		D Young	4	4					A Dolgopolov	77	65	6
								11	P Andújar	65	77	4
																							A Dolgopolov	6	4	77
																							Y-h Lu	4	6	64
								15	A Seppi	4	3
		Y-h Lu	6	6					Y-h Lu	6	6
	Q	R Bemelmans	4	4												Y-h Lu	6	6
		P Carreño Busta	1	4											3	F López	3	2
	WC	TH Fritz	6	6				WC	TH Fritz	3	3
								3	F López	6	6

	First round							Second round							Third round							Quarterfinals
								5	P Cuevas	7	6
	Q	D Sela	7	6				Q	D Sela	5	4
		D Gimeno Traver	5	4											5	P Cuevas	67	63
		S Giraldo	6	1	6										12	S Querrey	79	77
		A Haider-Maurer	1	6	1				S Giraldo	64	4
								12	S Querrey	77	6
																						12	S Querrey	5	710	6
																						2	G Simon	7	68	4
								14	J Sousa	65	6	77
		S Groth	77	77					S Groth	77	3	63
	Q	M Zverev	61	63											14	J Sousa	4	1
		M Granollers	4	6	0										2	G Simon	6	6
		V Pospisil	6	4	0r				M Granollers	6	63	60
								2	G Simon	4	77	77

	First round							Second round							Qualifying competition
	1	Marsel İlhan	1	4
		Jordan Thompson	6	6
									Jordan Thompson	61	64
									Filip Krajinović	77	77
		Filip Krajinović	4	6	77
		Erik Crepaldi	6	4	64
																Filip Krajinović	1	1
															5	Go Soeda	6	6
		Mate Pavić	6	6
	WC	James Marsalek	4	4
									Mate Pavić	64	1
								5	Go Soeda	77	6
		Dzmitry Zhyrmont	4	3
	5	Go Soeda	6	6

	First round							Second round							Qualifying competition
	Alt	Danai Udomchoke	77	1
		Łukasz Kubot	63	0r
								Alt	Danai Udomchoke	3	2
								WC	Daniel Smethurst	6	6
	WC	Daniel Smethurst	7	6
		Daniel Nguyen	5	1
															WC	Daniel Smethurst	3	7	5
															8	Ruben Bemelmans	6	5	7
		Alex Bolt	64	4
	WC	Luke Bambridge	77	6
								WC	Luke Bambridge	65	0
								8	Ruben Bemelmans	77	6
		Brydan Klein	3	3
	8	Ruben Bemelmans	6	6

	First round							Second round							Qualifying competition
	3	Dušan Lajović	2	62
		Mischa Zverev	6	77
									Mischa Zverev	6	6
									Grega Žemlja	4	2
		Grega Žemlja	4	6	77
		Marinko Matosevic	6	1	63
																Mischa Zverev	7	6
															7	Blaž Rola	5	0
		Dimitar Kutrovsky	6	6
		Connor Smith	4	3
									Dimitar Kutrovsky	4	63
								7	Blaž Rola	6	77
		Liam Broady	65	5
	7	Blaž Rola	77	7

	First round							Second round							Qualifying competition
	4	Dudi Sela	7	6
		Adrien Bossel	5	4
								4	Dudi Sela	6	6
									Daniel Brands	2	4
		Lucas Pouille	3	4
		Daniel Brands	6	6
															4	Dudi Sela	6	77
															6	Lukáš Lacko	3	61
		Illya Marchenko	6	6
	WC	David Rice	4	2
									Illya Marchenko	6	4	4
								6	Lukáš Lacko	3	6	6
		Frederik Nielsen	4	3
	6	Lukáš Lacko	6	6

• Main Draw
• Qualifying Draw