Doubles
2020 St. Petersburg Ladies' Trophy
Final
Champions	Shuko Aoyama Ena Shibahara
Runners-up	Kaitlyn Christian Alexa Guarachi
Score	4–6, 6–0, [10–3]
Events
Singles Doubles
← 2019 · St. Petersburg Ladies' Trophy · 2021 →

Margarita Gasparyan and Ekaterina Makarova were the defending champions,^[1] but Gasparyan chose not to defend her title. Makarova retired from professional tennis in January 2020.

Shuko Aoyama and Ena Shibahara won the title, defeating Kaitlyn Christian and Alexa Guarachi in the final, 4–6, 6–0, [10–3].

	First round							Quarterfinals							Semifinals							Final
	1	S Aoyama E Shibahara	4	6	[10]
		D Jurak L Marozava	6	1	[5]			1	S Aoyama E Shibahara	6	6
		A Rosolska A Tomljanović	64	6	[3]				A Potapova Y Putintseva	1	2
		A Potapova Y Putintseva	77	4	[10]										1	S Aoyama E Shibahara	6	6
	4	H Carter S Fichman	6	6											4	H Carter S Fichman	2	3
		E Alexandrova V Zvonareva	2	1				4	H Carter S Fichman	6	6
		M Adamczak Y Sizikova	6	6					M Adamczak Y Sizikova	3	3
		V Diatchenko N Dzalamidze	4	2																		1	S Aoyama E Shibahara	4	6	[10]
	PR	A Kudryavtseva K Srebotnik	6	2	[10]																	3	K Christian A Guarachi	6	0	[3]
		O Kalashnikova A Mitu	3	6	[6]			PR	A Kudryavtseva K Srebotnik	3	5
	WC	D Mishina E Shalimova	2	2				3	K Christian A Guarachi	6	7
	3	K Christian A Guarachi	6	6											3	K Christian A Guarachi	6	7
		C Garcia J Konta	6	3	[10]											C Garcia J Konta	4	5
		V Heisen V Strakhova	3	6	[5]				C Garcia J Konta	6	6
		C Lister R Voráčová	6	7					C Lister R Voráčová	2	2
	2	L Kichenok N Kichenok	4	5

• Main Draw