2021 Saint Petersburg Challenger – Doubles

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

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

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

Seeds

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]