Singles
2017 City of Onkaparinga ATP Challenger
Champion	Peter Gojowczyk
Runner-up	Omar Jasika
Score	6–3, 6–1

Taylor Fritz was the defending champion but chose not to defend his title.

Peter Gojowczyk won the title after defeating Omar Jasika 6–3, 6–1 in the final.

Seeds

Draw

Finals

	Semifinals							Final
		Peter Gojowczyk	6	6
	3	Denis Kudla	4	2
									Peter Gojowczyk	6	6
								WC	Omar Jasika	3	1
	WC	Omar Jasika	6	4	77
		Joris De Loore	4	6	63

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	D Young	4	6	63
		R Bemelmans	6	2	77				R Bemelmans	6	6
		J McGee	0	4				Q	Y Uchiyama	3	0
	Q	Y Uchiyama	6	6												R Bemelmans	66	4
		P Gojowczyk	6	6												P Gojowczyk	78	6
		M Tepavac	4	4					P Gojowczyk	6	6
		M Mmoh	6	6					M Mmoh	2	3
	7	G Žemlja	2	4																			P Gojowczyk	6	6
	3	D Kudla	2	6	6																	3	D Kudla	4	2
		U Ignatik	6	4	4			3	D Kudla	6	6
	Q	A Bublik	6	2	3				K Coppejans	2	2
		K Coppejans	3	6	6										3	D Kudla	6	77
	Q	L Saville	4	6	6										6	D King	2	64
	WC	M Purcell	6	3	3			Q	L Saville	6	66	2
		A Sarkissian	4	4				6	D King	4	78	6
	6	D King	6	6

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	5	N Gombos	2	79	5
	WC	O Jasika	6	67	7			WC	O Jasika	6	6
		T Ito	3	2				Q	A Bolt	3	3
	Q	A Bolt	6	6											WC	O Jasika	6	6
		B Mott	64	77	4										4	P Polansky	4	2
		D Brands	77	65	6				D Brands	63	4
	WC	M Polmans	1	6	4			4	P Polansky	77	6
	4	P Polansky	6	4	6																	WC	O Jasika	6	4	77
	8	M Fucsovics	6	3	6																		J De Loore	4	6	63
		M Arévalo	1	6	3			8	M Fucsovics	6	6
		I Ivashka	6	6					I Ivashka	3	3
		J Šátral	3	4											8	M Fucsovics	66	3
		J De Loore	6	6												J De Loore	78	6
		L Đere	2	3					J De Loore	6	6
	PR	M Bachinger	65	6	6			PR	M Bachinger	2	4
	2	J Souza	77	4	3

References

• Main Draw
• Qualifying Draw