2021 Saint Petersburg Challenger – Doubles

This was the first edition of the tournament.^[1]

Doubles
2021 Saint Petersburg Challenger
Champions	Christopher Eubanks Roberto Quiroz
Runners-up	Jesper de Jong Sem Verbeek
Score	6–4, 6–3

Main article: 2021 Saint Petersburg Challenger

Christopher Eubanks and Roberto Quiroz won the title after defeating Jesper de Jong and Sem Verbeek 6–4, 6–3 in the final.

Seeds

1. Jesper de Jong / Sem Verbeek (final)
2. Christopher Eubanks / Roberto Quiroz (champions)
3. Teymuraz Gabashvili / Konstantin Kravchuk (quarterfinals)
4. Arjun Kadhe / Benjamin Lock (quarterfinals)

Draw

Key

• Q = Qualifier
• WC = Wild card
• LL = Lucky loser
• Alt = Alternate
• SE = Special exempt
• PR = Protected ranking
• ITF = ITF entry
• JE = Junior exempt
• w/o = Walkover
• r = Retired
• d = Defaulted
• SR = Special ranking

	First round							Quarterfinals							Semifinals							Final
	1	J de Jong S Verbeek	6	3	[10]
		E Kırkın R Molleker	2	6	[6]			1	J de Jong S Verbeek	6	6
		P Kotov R Safiullin	6	6					P Kotov R Safiullin	2	2
		U Ignatik V Kopřiva	1	2											1	J de Jong S Verbeek	6	6
	3	T Gabashvili K Kravchuk	6	6												A Bega S Mansouri	2	3
		E Karlovskiy N Serdarušić	3	4				3	T Gabashvili K Kravchuk	3	6	[6]
	WC	I Gakhov Alexander Igoshin	6	63	[6]				A Bega S Mansouri	6	3	[10]
		A Bega S Mansouri	3	77	[10]																	1	J de Jong S Verbeek	4	3
	WC	D Golubev E Tiurnev	66	3																		2	C Eubanks R Quiroz	6	6
		B Hassan A Vatutin	78	6					B Hassan A Vatutin	7	7
		A Çelikbilek C İlkel	4	1				4	A Kadhe B Lock	5	5
	4	A Kadhe B Lock	6	6												B Hassan A Vatutin	4	2
		A Cozbinov Shuichi Sekiguchi	64	77	[2]										2	C Eubanks R Quiroz	6	6
		H Bourchier M Vervoort	77	61	[10]				H Bourchier M Vervoort	79	2	[8]
	WC	Aleksei Abazov Alexander Vasilenko	6	1	[5]			2	C Eubanks R Quiroz	67	6	[10]
	2	C Eubanks R Quiroz	4	6	[10]