Paolo Lorenzi was the defending champion, but lost in the second round to João Sousa.

Philipp Kohlschreiber won the title, defeating Sousa in the final, 6–3, 6–4.

This tournament was the last for the former world No.2 Tommy Haas who lost in the first round to Jan-Lennard Struff.

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

	Semifinals							Final
	WC	Sebastian Ofner	64	64
		João Sousa	77	77
									João Sousa	3	4
									Philipp Kohlschreiber	6	6
		Philipp Kohlschreiber	7	6
	2	Fabio Fognini	5	3

	First round							Second round							Quarterfinals							Semifinals
								1	P Cuevas	3	6	63
		N Basilashvili	5	0r				WC	S Ofner	6	2	77
	WC	S Ofner	7	3											WC	S Ofner	6	1	6
		R Olivo	7	6												R Olivo	3	6	3
	LL	T Monteiro	5	2					R Olivo	77	6
		R Dutra Silva	6	611	64			8	H Zeballos	64	2
	8	H Zeballos	2	713	77																	WC	S Ofner	64	64
																							J Sousa	77	77
								3	P Lorenzi	77	4	1
		J Sousa	64	7	6				J Sousa	65	6	6
		M Youzhny	77	5	3											J Sousa	2	6	6
		C Berlocq	4	7	3										WC	G Melzer	6	1	3
	WC	G Melzer	6	5	6			WC	G Melzer	6	77
	Q	S Giraldo	78	4	6			Q	S Giraldo	3	61
	5	R Haase	66	6	4

	First round							Second round							Quarterfinals							Semifinals
	7	J Veselý	6	6
	SE	Y Hanfmann	4	4				7	J Veselý	3	3
		P Kohlschreiber	7	3	6				P Kohlschreiber	6	6
	Q	F Bagnis	5	6	3											P Kohlschreiber	4	6	77
	Q	M Marterer	5	64												D Lajović	6	4	65
		D Lajović	7	77					D Lajović	6	6
								4	G Simon	4	4
																							P Kohlschreiber	7	6
	6	J-L Struff	6	77																		2	F Fognini	5	3
	WC	T Haas	3	64				6	J-L Struff	4	63
		T Bellucci	6	5	6				T Bellucci	6	77
		A Dolgopolov	2	7	4											T Bellucci	3	1
		A Kuznetsov	64	66											2	F Fognini	6	6
	Q	M Zekić	77	78				Q	M Zekić	4	4
								2	F Fognini	6	6

1. Thiago Monteiro

	First round							Qualifying competition
	1	Alessandro Giannessi	6	5	4
		Miljan Zekić	3	7	6
									Miljan Zekić	77	77
								8	Stefanos Tsitsipas	64	63
		Mohamed Safwat	3	64
	8	Stefanos Tsitsipas	6	77

	First round							Qualifying competition
	2	Santiago Giraldo	6	6
	WC	Lenny Hampel	1	2
								2	Santiago Giraldo	7	6
								7	Jozef Kovalík	5	4
		Gastão Elias	1	7	4
	7	Jozef Kovalík	6	5	6

	First round							Qualifying competition
	3	Jerzy Janowicz	1	4
		Michael Linzer	6	6
									Michael Linzer	2	4
								6	Maximilian Marterer	6	6
	WC	Jurij Rodionov	65	1
	6	Maximilian Marterer	77	6

	First round							Qualifying competition
	4	Facundo Bagnis	6	2	6
		Hubert Hurkacz	3	6	1
								4	Facundo Bagnis	3	6	6
								5	Thiago Monteiro	6	4	3
		Paul-Henri Mathieu	2	1
	5	Thiago Monteiro	6	6

• Main Draw
• Qualifying Draw