Singles
2017 St. Petersburg Open
Champion	Damir Džumhur
Runner-up	Fabio Fognini
Score	3–6, 6–4, 6–2
Draw	28 (4 Q / 3 WC )
Seeds	8

Alexander Zverev was the defending champion, but chose not to participate this year.

Damir Džumhur won his first ATP World Tour title, defeating Fabio Fognini in the final, 3–6, 6–4, 6–2. Džumhur became the first player from Bosnia and Herzegovina to win the ATP title.

Seeds

The top four seeds receive a bye into the second round.

Draw

Finals

	Semifinals							Finals
	1	Roberto Bautista Agut	6	67	65
	3	Fabio Fognini	2	79	77
								3	Fabio Fognini	6	4	2
									Damir Džumhur	3	6	6
		Damir Džumhur	6	7
	8	Jan-Lennard Struff	3	5

Top half

	First round							Second round							Quarterfinals							Semifinals
								1	R Bautista Agut	6	4	6
		R Dutra Silva	2	6	6				R Dutra Silva	4	6	0
	LL	R Albot	6	2	2										1	R Bautista Agut	6	6
		D Lajović	64	3											7	V Troicki	1	2
		G Pella	77	6					G Pella	63	6	4
		A Kuznetsov	66	62				7	V Troicki	77	4	6
	7	V Troicki	78	77																		1	R Bautista Agut	6	67	65
																						3	F Fognini	2	79	77
								3	F Fognini	6	4	6
	Q	J-P Smith	66	4					M Youzhny	4	6	4
		M Youzhny	78	6											3	F Fognini	6	6
	PR	R Berankis	3	6	6										PR	R Berankis	3	0
	Q	D Masur	6	3	2			PR	R Berankis	w/o
	WC	E Tyurnev	1	3				5	P Kohlschreiber
	5	P Kohlschreiber	6	6

Bottom half

	First round							Second round							Quarterfnals							Semifinals
	6	P Lorenzi	5	5
		D Džumhur	7	7					D Džumhur	6	77
		M Baghdatis	7	6					M Baghdatis	4	64
		H Zeballos	5	4												D Džumhur	6	2	6
	Q	E Gulbis	3	0											Q	L Broady	3	6	4
	Q	L Broady	6	6				Q	L Broady	2	6	6
								4	A Mannarino	6	4	0
																							D Džumhur	6	7
	8	J-L Struff	3	6	6																	8	J-L Struff	3	5
		B Ćorić	6	2	4			8	J-L Struff	6	6
		D Medvedev	64	5					T Fabbiano	1	4
		T Fabbiano	77	7											8	J-L Struff	3	6	6
		J Sousa	77	6											2/WC	J-W Tsonga	6	3	2
	WC	E Donskoy	62	3					J Sousa	61	6	2
								2/WC	J-W Tsonga	77	3	6

Qualifying

Qualifying draw

First qualifier

	First round							Qualifying competition
	1	Radu Albot	7	7
		Alexander Kudryavtsev	5	5
								1	Radu Albot	1	6	64
								6	Liam Broady	6	2	77
		Filip Horanský	3	1
	6	Liam Broady	6	6

Second qualifier

	First round							Qualifying competition
	2	John-Patrick Smith	6	6
		Ivan Gakhov	2	0
								2	John-Patrick Smith	77	6
								WC	Mikhail Elgin	64	2
	WC	Mikhail Elgin	77	6
	7	Petr Michnev	62	4

Third qualifier

	First round							Qualifying competition
	3	Alexey Vatutin	7	6
		Evgeny Karlovskiy	5	0
								3	Alexey Vatutin	2	2
									Daniel Masur	6	6
		Daniel Masur	3	6	7
	5	Teymuraz Gabashvili	6	1	5

Fourth qualifier

	First round							Qualifying competition
	4	Ernests Gulbis	4	6	6
	WC	Alexander Vasilenko	6	3	2
								4	Ernests Gulbis	6	6
									Ivan Nedelko	2	1
		Ivan Nedelko	6	6
	8	Peđa Krstin	3	4

References

• Main draw
• Qualifying draw