Peter Gojowczyk was the defending champion, but lost to Kei Nishikori in the second round.

Gilles Simon won the title, defeating Matthias Bachinger in the final, 7–6^(7–2), 6–1.

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

	Semifinals							Final
	1	Kei Nishikori	6	4	5
	Q	Matthias Bachinger	2	6	7
								Q	Matthias Bachinger	62	1
									Gilles Simon	77	6
		Gilles Simon	6	6
		Radu Albot	3	1

	First round							Second round							Quarterfinals							Semifinals
								1	K Nishikori	77	6
		P Gojowczyk	65	6	6				P Gojowczyk	64	3
		J-W Tsonga	77	3	4										1	K Nishikori	6	4	6
	Q	B Tomic	77	3	4										5	N Basilashvili	3	6	4
	WC	U Humbert	65	6	6			WC	U Humbert	77	64	3
	Q	K de Schepper	2	60				5	N Basilashvili	62	77	6
	5	N Basilashvili	6	77																		1	K Nishikori	6	4	5
																						Q	M Bachinger	2	6	7
								LL	G Barrère	0	3
		J Munar	4	4				Q	M Bachinger	6	6
	Q	M Bachinger	6	6											Q	M Bachinger	6	2	6
	WC	Q Halys	64	2											LL	Y Maden	3	6	4
		B Paire	77	6					B Paire	4	6	3
		M Zverev	5	6	1			LL	Y Maden	6	3	6
	LL	Y Maden	7	4	6

	First round							Second round							Quarterfinals							Semifinals
	7	F Krajinović	6	6
	WC	C Moutet	1	1				7	F Krajinović	6	5	5
		G Simon	7	6					G Simon	4	7	7
		J Veselý	5	3												G Simon	77	6
	Q	C Lestienne	6	7											4	R Gasquet	64	2
		J Zopp	3	5				Q	C Lestienne	4	2
								4	R Gasquet	6	6
																							G Simon	6	6
	6	A Mannarino	3	2																			R Albot	3	1
		M Fucsovics	6	6					M Fucsovics	3	2
		R Albot	6	6					R Albot	6	6
		P-H Herbert	3	4												R Albot	77	6
		M Marterer	61	77	4											R Berankis	64	4
		R Berankis	77	61	6				R Berankis	65	78	6
								2	S Tsitsipas	77	66	3

	First round							Qualifying competition
	1	Yannick Maden	77	6
		Oscar Otte	61	3
								1	Yannick Maden	66	3
								5	Matthias Bachinger	78	6
		Norbert Gombos	63	77	3
	5	Matthias Bachinger	77	60	6

	First round							Qualifying competition
	2	Bernard Tomic	7	7
		Ante Pavić	5	5
								2	Bernard Tomic	78	3	6
								6	Mats Moraing	66	6	3
		Tobias Kamke	63	2
	6	Mats Moraing	77	6

	First round							Qualifying competition
	3	Sergiy Stakhovsky	3	4
	Alt	Maxime Janvier	6	6
								Alt	Maxime Janvier	4	4
								7	Constant Lestienne	6	6
	WC	Boris Fassbender	2	1
	7	Constant Lestienne	6	6

	First round							Qualifying competition
	4	Grégoire Barrère	6	77
	WC	Arthur Rinderknech	3	64
								4	Grégoire Barrère	64	77	63
								8	Kenny de Schepper	77	65	77
		Dustin Brown	4	4
	8	Kenny de Schepper	6	6

• Main draw
• Qualifying draw