2021 St. Petersburg Open – Doubles

Jürgen Melzer and Édouard Roger-Vasselin were the defending champions,^[1] but Roger-Vasselin chose not to participate and Melzer chose to compete in Vienna instead.

Doubles
2021 St. Petersburg Open
Champions	Jamie Murray Bruno Soares
Runners-up	Andrey Golubev Hugo Nys
Score	6–3, 6–4

Main article: 2021 St. Petersburg Open

Jamie Murray and Bruno Soares won the title, defeating Andrey Golubev and Hugo Nys in the final, 6–3, 6–4.

Seeds

1. Jamie Murray / Bruno Soares (champions)
2. Raven Klaasen / Ben McLachlan (first round)
3. Marcelo Arévalo / Matwé Middelkoop (first round)
4. Andrey Golubev / Hugo Nys (final)

Draw

Key

• Q = Qualifier
• WC = Wild card
• LL = Lucky loser
• Alt = Alternate
• ITF = ITF entry
• PR = Protected ranking
• SR = Special ranking
• SE = Special exempt
• JE = Junior exempt
• JR = Junior Accelerator Programme entrant
• CO = College Accelerator Programme entrant
• NG = Next Gen Accelerator Program entrant
• w/o = Walkover
• r = Retired
• d = Defaulted

Draw

	First round							Quarterfinals							Semifinals							Final
	1	J Murray B Soares	6	6
	WC	J Erlich A Vasilevski	1	4				1	J Murray B Soares	77	3	[10]
	PR	D Inglot K Skupski	4	5					L Saville J-P Smith	60	6	[6]
		L Saville J-P Smith	6	7											1	J Murray B Soares	7	6
	3	M Arévalo M Middelkoop	6	5	[7]											M Daniell M Demoliner	5	3
		M Daniell M Demoliner	3	7	[10]				M Daniell M Demoliner	6	3	[10]
		A Behar G Escobar	4	5					T Fritz T Paul	0	6	[7]
		T Fritz T Paul	6	7																		1	J Murray B Soares	6	6
		T Brkić N Ćaćić	4	6	[7]																	4	A Golubev H Nys	3	4
		S González A Molteni	6	2	[10]				S González A Molteni	64	3
		A Bublik I Ivashka	3	1				4	A Golubev H Nys	77	6
	4	A Golubev H Nys	6	6											4	A Golubev H Nys	6	2	[10]
		K Khachanov A Rublev	6	6												R Bopanna D Shapovalov	4	6	[4]
	WC	D Golubev E Tiurnev	1	1					K Khachanov A Rublev	4	7	[7]
		R Bopanna D Shapovalov	7	6					R Bopanna D Shapovalov	6	5	[10]
	2	R Klaasen B McLachlan	5	4