Singles
2017 Slovak Open
Champion	Lukáš Lacko
Runner-up	Marius Copil
Score	6–4, 7–6(7–4)

Norbert Gombos was the defending champion but lost in the first round to Jerzy Janowicz.

Lukáš Lacko won the title after defeating Marius Copil 6–4, 7–6^(7–4) in the final.

Seeds

Draw

Finals

	Semifinals							Final
	1	Mikhail Kukushkin	3	0r
	4	Marius Copil	6	3
								4	Marius Copil	4	64
								8	Lukáš Lacko	6	77
		Jürgen Zopp	65	2
	8	Lukáš Lacko	77	6

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	M Kukushkin	6	6
		A Giannessi	0	2				1	M Kukushkin	63	6	6
	PR	I Sijsling	4	2				Q	N Desein	77	3	4
	Q	N Desein	6	6											1	M Kukushkin	3	77	4
		B Tomic	77	6												J Janowicz	6	62	0r
		R Berankis	63	2					B Tomic	63	62
		J Janowicz	3	7	77				J Janowicz	77	77
	7	N Gombos	6	5	65																	1	M Kukushkin	3	0r
	4	M Copil	6	5	6																	4	M Copil	6	3
	WC	Patrik Néma	4	7	4			4	M Copil	6	7
	Alt	P Krstin	77	3	4			WC	L Klein	4	5
	WC	L Klein	65	6	6										4	M Copil	77	6
	WC	A Nedovyesov	2	2											Q	K Majchrzak	64	1
	Q	K Majchrzak	6	6				Q	K Majchrzak	4	6	6
		A Martin	77	6					A Martin	6	3	2
	6	S Stakhovsky	63	3

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	5	M Baghdatis	6	6
	LL	M Viola	4	4				5	M Baghdatis	611	0r
	Q	T Farquharson	64	6	65				J Zopp	713	2
		J Zopp	77	4	77											J Zopp	77	6
		U Ignatik	6	1	79										3	A Seppi	64	3
		V Šafránek	2	6	67				U Ignatik	65	68
		S Ofner	3	2				3	A Seppi	77	710
	3	A Seppi	6	6																			J Zopp	65	2
	8	L Lacko	6	6																		8	L Lacko	77	6
		J Kovalík	4	4				8	L Lacko	611	6	6
		F Auger-Aliassime	6	6					F Auger-Aliassime	713	4	3
		M Bachinger	2	4											8	L Lacko	6	3	6
		A Šetkić	3	6	3										Q	F Škugor	1	6	3
	Q	F Škugor	6	2	6			Q	F Škugor	64	6	6
	WC	Tomáš Líška	0	0				2	M Fucsovics	77	4	3
	2	M Fucsovics	6	6

References

• Main draw
• Qualifying draw