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Doubles
2021 J&T Banka Ostrava Open
Final
Champions	Sania Mirza Zhang Shuai
Runners-up	Kaitlyn Christian Erin Routliffe
Score	6–3, 6–2
Events
Singles Doubles
← 2020 · Ostrava Open · 2022 →

Elise Mertens and Aryna Sabalenka were the defending champions,^[1] but chose not to participate.

Sania Mirza and Zhang Shuai won the title, defeating Kaitlyn Christian and Erin Routliffe in the final, 6–3, 6–2.^[2]

	First round							Quarterfinals							Semifinals							Final
	1	M Linette B Pera	6	6
		A Mitu A Rosolska	0	4				1	M Linette B Pera	6	6
		A Sharma R van der Hoek	7	7					A Sharma R van der Hoek	4	2
		A Fomina-Klotz K Kawa	5	5											1	M Linette B Pera
	3	K Christian E Routliffe	6	6											3	K Christian E Routliffe	w/o
	Alt	R Bhosale E Webley-Smith	3	4				3	K Christian E Routliffe	6	6
		A Blinkova M Doi	6	2	[13]				V Heisen R Voráčová	3	2
		V Heisen R Voráčová	1	6	[15]																	3	K Christian E Routliffe	3	2
		O Kalashnikova M Kato	6	6																		2	S Mirza S Zhang	6	6
		J Lohoff A Panova	1	2					O Kalashnikova M Kato	4	2
		K Piter K Zimmermann	3	6	[6]			4	E Hozumi M Ninomiya	6	6
	4	E Hozumi M Ninomiya	6	3	[10]										4	E Hozumi M Ninomiya	2	5
		N Dzalamidze Y Sizikova	3	77	[6]										2	S Mirza S Zhang	6	7
		A Danilina L Marozava	6	63	[10]				A Danilina L Marozava	3	6	[6]
		E Bektas T Moore	77	5	[7]			2	S Mirza S Zhang	6	3	[10]
	2	S Mirza S Zhang	63	7	[10]

• Main Draw