Singles
2017 Sibiu Open
Champion	Cedrik-Marcel Stebe
Runner-up	Carlos Taberner
Score	6–3, 6–3

Robin Haase was the defending champion but chose not to defend his title.

Cedrik-Marcel Stebe won the title after defeating Carlos Taberner 6–3, 6–3 in the final.

Seeds

Draw

Finals

	Semifinals							Final
	1	Cedrik-Marcel Stebe	6	6
	5	Maximilian Marterer	2	1
								1	Cedrik-Marcel Stebe	6	6
									Carlos Taberner	3	3
	WC	Adrian Ungur	3	0
		Carlos Taberner	6	6

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	C-M Stebe	77	77
	WC	Vlad Andrei Dancu	64	64				1	C-M Stebe	2	78	6
		Í Cervantes	77	6					Í Cervantes	6	66	2
		A Arnaboldi	62	1											1	C-M Stebe	6	6
		J Šátral	6	6												S Napolitano	0	3
	WC	N Serdarušić	4	2					J Šátral	6	4	3
		S Napolitano	6	1	6				S Napolitano	3	6	6
	8	T Daniel	2	6	3																	1	C-M Stebe	6	6
	4	R Carballés Baena	6	6																		5	M Marterer	2	1
	Q	A Lazov	3	4				4	R Carballés Baena	5	5
		V Šafránek	1	0r					C Ruud	7	7
		C Ruud	6	3												C Ruud	64	3
	Q	M Donati	6	6											5	M Marterer	77	6
		T Robredo	1	4				Q	M Donati	4	5
		L Grigelis	1	1				5	M Marterer	6	7
	5	M Marterer	6	6

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	7	S Travaglia	6	6
		L Giustino	2	0				7	S Travaglia	6	6
	Q	A Müller	1	5				LL	D Kuzmanov	2	0
	LL	D Kuzmanov	6	7											7	S Travaglia	3	1
		R Ojeda Lara	1	6	2										WC	A Ungur	6	6
	WC	A Ungur	6	1	6			WC	A Ungur	7	6
	WC	Michał Dembek	1	5				3	M Cecchinato	5	3
	3	M Cecchinato	6	7																		WC	A Ungur	3	0
	6	B Fratangelo	2	6	79																		C Taberner	6	6
		Jeremy Jahn	6	3	67			6	B Fratangelo	6	6
		R Bellotti	6	6					R Bellotti	4	2
		M Kližan	3	1											6	B Fratangelo	3	65
		G Oliveira	2	2												C Taberner	6	77
		C Taberner	6	6					C Taberner	6	6
	Q	Lenny Hampel	3	6	6			Q	L Hampel	1	2
	2	L Đere	6	4	1

References

• Main Draw
• Qualifying Draw