Singles
2013 St. Petersburg Open
Champion	Ernests Gulbis
Runner-up	Guillermo García-López
Score	3–6, 6–4, 6–0
Draw	32
Seeds	8

Martin Kližan was the defending champion, but withdrew before the tournament began.
Ernests Gulbis won the title, defeating Guillermo García-López in the final, 3–6, 6–4, 6–0.

Seeds

Draw

Finals

	Semifinals							Final
		Michał Przysiężny	3	3
	6	Ernests Gulbis	6	6
								6	Ernests Gulbis	3	6	6
									Guillermo García-López	6	4	0
		João Sousa	1	1
		Guillermo García-López	6	6

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	F Fognini	6	6
	Q	D Inglot	4	4				1	F Fognini	3	3r
		M Przysiężny	3	6	6				M Przysiężny	6	5
		A Ramos	6	4	3											M Przysiężny	79	1	6
		V Hănescu	64	64											7	L Rosol	67	6	3
	WC	K Khachanov	77	77				WC	K Khachanov	4	4
		R Berankis	4	64				7	L Rosol	6	6
	7	L Rosol	6	77																			M Przysiężny	3	3
	3	J Tipsarević	64	3																		6	E Gulbis	6	6
		R Bautista-Agut	77	6					R Bautista-Agut	2	6	77
		A Mannarino	1	4					E Donskoy	6	1	65
		E Donskoy	6	6												R Bautista-Agut	1	2
	PR	J Zopp	6	3	6										6	E Gulbis	6	6
		D Gimeno-Traver	1	6	3			PR	J Zopp	3	6	3
	WC	M Elgin	0	1				6	E Gulbis	6	1	6
	6	E Gulbis	6	6

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	5	F Verdasco	3	4
		S Stakhovsky	6	6					S Stakhovsky	6	4	0
		P Lorenzi	3	4					J Sousa	3	6	6
		J Sousa	6	6												J Sousa	6	6
		H Zeballos	65	3											4	D Tursunov	4	3
	Q	K Kravchuk	77	6				Q	K Kravchuk	3	0
		M Baghdatis	63	63				4	D Tursunov	6	6
	4	D Tursunov	77	77																			J Sousa	1	1
	8	D Istomin	6	3	7																		G García-López	6	6
	Q	S Groth	4	6	5			8	D Istomin	4	6	6
		J Struff	77	3	1				A Golubev	6	3	4
		A Golubev	63	6	6										8	D Istomin	2	4
	Q	M Biryukov	4	1												G García-López	6	6
		G García-López	6	6					G García-López	6	4	6
	WC	A Karatsev	77	2	2			2	M Youzhny	4	6	3
	2	M Youzhny	65	6	6

Qualifying

Qualifying draw

First qualifier

	First round							Second round							Qualifying competition
	1	Konstantin Kravchuk	63	6	6
		Alexander Vasilenko	77	2	2
								1	Konstantin Kravchuk	6	6
									Kirill Saplin	4	1
	WC	Teimouraz Metreveli	2	4
		Kirill Saplin	6	6
															1	Konstantin Kravchuk	6	77
															7	Alexander Bury	4	64
		Fedor Chervyakov	6	6
		Artur Madzhar	0	1
									Fedor Chervyakov	2	1
								7	Alexander Bury	6	6
	WC	Nikita Gudozhnikov	1	2
	7	Alexander Bury	6	6

Second qualifier

	First round							Second round							Qualifying competition
	2	Samuel Groth	6	6
		Frank Moser	1	4
								2	Samuel Groth	77	6
									Mikhail Vaks	64	4
		Mikhail Vaks	6	7
		Vitaliy Kachanovskiy	3	5
															2	Samuel Groth	6	6
															5	Victor Baluda	4	3
		Timur Razmaitov	1	1
		Anton Zaitsev	6	6
									Anton Zaitsev	7	0	1
								5	Victor Baluda	5	6	6
	WC	Dmitrii Dosuzhev	3	1
	5	Victor Baluda	6	6

Third qualifier

	First round							Second round							Qualifying competition
	3	Alexander Kudryavtsev	6	6
		Andrei Vasilevski	4	2
								3	Alexander Kudryavtsev	6	6
									Sergey Strelkov	1	2
		Alexander Zhurbin	4	5
		Sergey Strelkov	6	7
															3	Alexander Kudryavtsev	67	63
																Dominic Inglot	79	77
		Alexander Igoshin	6	6
		Dmitri Marfinsky	4	1
									Alexander Igoshin	1	2
									Dominic Inglot	6	6
		Dominic Inglot	6	4	7
	8	Vladimir Ivanov	3	6	5

Fourth qualifier

	First round							Second round							Qualifying competition
	4	Valery Rudnev	79	6
		Vladimir Polyakov	67	3
								4	Valery Rudnev	6	6
									Evgeny Elistratov	4	2
		Pavel Zelenkin	2	4
		Evgeny Elistratov	6	6
															4	Valery Rudnev	4	4
															6	Mikhail Biryukov	6	6
	WC	Andrei Stoliarov	0	1
		František Čermák	6	6
									František Čermák	3	4
								6	Mikhail Biryukov	6	6
		Stepan Khotulev	6	2	1
	6	Mikhail Biryukov	3	6	6

References

• Main Draw
• Qualifying Draw