Singles
2017 AON Open Challenger
Champion	Stefanos Tsitsipas
Runner-up	Guillermo García López
Score	7–5, 7–6(7–2)

Jerzy Janowicz was the defending champion but chose not to defend his title.

Stefanos Tsitsipas won the title after defeating Guillermo García López 7–5, 7–6^(7–2) in the final.

Seeds

Draw

Finals

	Semifinals							Final
	WC	Stefanos Tsitsipas	6	1
	8	Márton Fucsovics	0	0r
								WC	Stefanos Tsitsipas	7	77
									Guillermo García López	5	62
		Guillermo García López	6	65	6
		Stefano Napolitano	2	77	3

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	J-L Struff	6	77
		M Zekić	4	62				1	J-L Struff	78	77
	Alt	H Hurkacz	6	2	5				U Ignatik	66	64
		U Ignatik	3	6	7										1	J-L Struff	2	3
		G Andreozzi	3	4											WC	S Tsitsipas	6	6
	WC	S Tsitsipas	6	6				WC	S Tsitsipas	6	6
		A Šetkić	1	77	6				A Šetkić	2	4
	5	M Cecchinato	6	65	3																	WC	S Tsitsipas	6	1
	4	L Đere	6	5	6																	8	M Fucsovics	0	0r
	Q	Gianluca Di Nicola	1	7	4			4	L Đere	3	3
		E Ymer	3	64					A Balázs	6	6
		A Balázs	6	77												A Balázs	77	2	5
	Q	T Pütz	77	6											8	M Fucsovics	64	6	7
	Alt	F Gaio	60	1				Q	T Pütz	1	2
		S Caruso	1	1				8	M Fucsovics	6	6
	8	M Fucsovics	6	6

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	6	R Olivo	5	2
		A Vatutin	7	6					A Vatutin	6	4	1
	Q	A Pellegrino	3	4				WC	M Donati	2	6	6
	WC	M Donati	6	6											WC	M Donati	4	2
		J Eysseric	4	1												G García López	6	6
		G García López	6	6					G García López	6	7
	WC	J Ocleppo	5	1				3	A Giannessi	4	5
	3	A Giannessi	7	6																			G García López	6	65	6
	7	D Brown	7	6																			S Napolitano	2	77	3
	Alt	R Bonadio	5	2				7	D Brown	4	2
		M Berrettini	4	6	2				S Napolitano	6	6
		S Napolitano	6	3	6											S Napolitano	77	6
		K de Schepper	2	2											Q	A Basso	62	4
		J Kovalík	6	6					J Kovalík	6	3	4
	Q	A Basso	61	6	77			Q	A Basso	3	6	6
	2/WC	A Seppi	77	3	64

References

• Main Draw
• Qualifying Draw