Singles
2015 St. Petersburg Open
Final
Champion	Milos Raonic
Runner-up	João Sousa
Score	6–3, 3–6, 6–3
Details
Draw	28
Seeds	8
Events
Singles Doubles
← 2013 · St. Petersburg Open · 2016 →

Ernests Gulbis won the last edition of the tournament held in 2013, but lost in the first round to Marcos Baghdatis.
Milos Raonic won the title, defeating João Sousa in the final, 6–3, 3–6, 6–3.

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

	Semifinals							Final
	7	João Sousa	6	77
	3	Dominic Thiem	4	65
								7	João Sousa	3	6	3
								2	Milos Raonic	6	3	6
	4	Roberto Bautista Agut	2	62
	2	Milos Raonic	6	77

	First round							Second round							Quarterfinals							Semifinals
								1	T Berdych	65	4
	WC	A Rublev	6	3	1				S Bolelli	77	6
		S Bolelli	4	6	6											S Bolelli	67	61
		M Granollers	6	6											7	J Sousa	79	77
		T Kokkinakis	3	3					M Granollers	3	3
	Q	R Albot	6	5	4			7	J Sousa	6	6
	7	J Sousa	3	7	6																	7	J Sousa	6	77
																						3	D Thiem	4	65
								3	D Thiem	6	77
		D Gimeno Traver	5	62					A Haider-Maurer	2	62
		A Haider-Maurer	7	77											3	D Thiem	6	7
	Q	A Golubev	4	6	4											D Istomin	2	5
		B Becker	6	1	6				B Becker	6	65	4
		D Istomin	77	2	6				D Istomin	2	77	6
	8	M Kukushkin	64	6	2

	First round							Second round							Quarterfinals							Semifinals
	6	B Paire	4	0r
		J Janowicz	6	3					J Janowicz	68	61
		R Berankis	69	6	64				L Pouille	710	77
		L Pouille	711	3	77											L Pouille	2	3
		T Gabashvili	6	6											4	R Bautista Agut	6	6
	Q	Y Shyla	2	2					T Gabashvili	3	7	5
								4	R Bautista Agut	6	5	7
																						4	R Bautista Agut	2	62
	5	T Robredo	6	3	6																	2	M Raonic	6	77
	WC	M Youzhny	4	6	3			5	T Robredo	77	6
		M Baghdatis	6	4	6				M Baghdatis	65	1
		E Gulbis	4	6	3										5	T Robredo	1	2
	Q	A Sidorenko	2	4											2	M Raonic	6	6
	WC	E Donskoy	6	6				WC	E Donskoy	4	4
								2	M Raonic	6	6

	First round							Second round							Qualifying competition
	1	Radu Albot	6	62	6
		Mikhail Ledovskikh	2	77	3
								1	Radu Albot	6	6
									Alexandr Igoshin	4	2
		Alexander Ovcharov	64	5
		Alexandr Igoshin	77	7
															1	Radu Albot	6	6
																Valery Rudnev	3	0
	WC	Artur Gusev	0	0
		Valery Rudnev	6	6
									Valery Rudnev	6	2	6
								8	Alexey Vatutin	2	6	4
		Evgeny Karlovskiy	5	2
	8	Alexey Vatutin	7	6

	First round							Second round							Qualifying competition
	2	Andrey Golubev	6	6
		Kirill Kivattsev	1	2
								2	Andrey Golubev	6	6
									Evgeny Elistratov	4	2
	WC	Pavel Shchaya-Zubrov	6	0	1
		Evgeny Elistratov	4	6	6
															2	Andrey Golubev	6	6
																Evgenii Tiurnev	4	2
		Yahor Yatsyk	63	6	2
		Evgenii Tiurnev	77	4	6
									Evgenii Tiurnev	6	77
								5	Nikola Mektić	3	65
		Alexander Perfilov	3	3
	5	Nikola Mektić	6	6

	First round							Second round							Qualifying competition
	3	Alexander Kudryavtsev	6	6
		Volodymyr Uzhylovskyi	3	2
								3	Alexander Kudryavtsev	6	3	6
									Alexander Vasilenko	4	6	3
	WC	Philipp Klimov	1	4
		Alexander Vasilenko	6	6
															3	Alexander Kudryavtsev	6	4	4
																Alexandre Sidorenko	3	6	6
		Alexandre Sidorenko	6	6
	WC	Santiago González	3	1
									Alexandre Sidorenko	3	6	6
								7	Vladimir Ivanov	6	1	4
		Aleksei Khomich	1	1
	7	Vladimir Ivanov	6	6

	First round							Second round							Qualifying competition
	4	Dzmitry Zhyrmont	6	3	2
		Vladimir Polyakov	1	6	6
									Vladimir Polyakov	2	3
									Alexander Bublik	6	6
		Mikhail Elgin	4	7	63
		Alexander Bublik	6	5	77
																Alexander Bublik	3	4
															6	Yaraslav Shyla	6	6
		Richard Muzaev	4	6	6
		Vitaly Kozyukov	6	2	1
									Richard Muzaev	6	4	5
								6	Yaraslav Shyla	4	6	7
	PR	Alexander Lobkov	6	1	2
	6	Yaraslav Shyla	3	6	6

• Main draw
• Qualifying draw