Singles
2017 Sparkassen ATP Challenger
Champion	Lorenzo Sonego
Runner-up	Tim Pütz
Score	6–4, 6–4

Stefano Napolitano was the defending champion but lost in the second round to Matteo Donati.

Lorenzo Sonego won the title after defeating Tim Pütz 6–4, 6–4 in the final.

Seeds

Draw

Finals

	Semifinals							Final
	Q	Tim Pütz	62	6	77
	4	Pierre-Hugues Herbert	77	1	65
								Q	Tim Pütz	4	4
								WC	Lorenzo Sonego	6	6
	WC	Matteo Donati	66	61
	WC	Lorenzo Sonego	78	77

Top half

	First round							Second round							Quarterfinals							Semifinals
	LL	A Arnaboldi	77	6
	WC	Patrick Prader	65	2				LL	A Arnaboldi	4	3
		V Galović	6	3	6				V Galović	6	6
		Jeremy Jahn	3	6	3											V Galović	4	77	2
	Q	T Pütz	6	6											Q	T Pütz	6	61	6
	Q	K Krawietz	1	1				Q	T Pütz	6	63	6
		M Bourgue	6	1	3			8	S Ofner	3	77	2
	8	S Ofner	1	6	6																	Q	T Pütz	62	6	77
	4	P-H Herbert	6	6																		4	P-H Herbert	77	1	65
		L Grigelis	3	4				4	P-H Herbert	77	6
		K de Schepper	77	6					K de Schepper	65	4
		R Berankis	63	4											4	P-H Herbert	77	3	6
	PR	I Sijsling	1	4											Q	M Sieber	63	6	3
	Q	Marc Sieber	6	6				Q	M Sieber	2	77	77
	LL	E Leshem	3	5				6	D Brown	6	63	65
	6	D Brown	6	7

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	5	M Fucsovics	6	4	4
		S Napolitano	4	6	6				S Napolitano	6	4	5
		N Kuhn	77	63	4			WC	M Donati	4	6	7
	WC	M Donati	64	77	6										WC	M Donati	77	77
		S Caruso	6	77											3	A Seppi	65	65
		P Martínez	3	61					S Caruso	78	4	4
		J Janowicz	2	2				3	A Seppi	66	6	6
	3	A Seppi	6	6																		WC	M Donati	66	61
	7	O Otte	6	4	77																	WC	L Sonego	78	77
	WC	F Gaio	4	6	62			7	O Otte	62	6	6
		B Zapata Miralles	6	6					B Zapata Miralles	77	1	4
		S Robert	3	0											7	O Otte	1	4
	Q	M Viola	77	5	7										WC	L Sonego	6	6
		T Lamasine	64	7	5			Q	M Viola	4	1
	WC	L Sonego	2	7	6			WC	L Sonego	6	6
	2	N Gombos	6	5	4

References

• Main Draw
• Qualifying Draw