Doubles
2021 İstanbul Cup
Final
Champions	Veronika Kudermetova Elise Mertens
Runners-up	Nao Hibino Makoto Ninomiya
Score	6–1, 6–1
Events
Singles Doubles
← 2020 · İstanbul Cup · 2022 →

Alexa Guarachi andDesirae Krawczyk were the defending champions, but Guarachi chose not to participate this year and Krawczyk chose to compete inStuttgart instead.^{[citation needed]}

Veronika Kudermetova andElise Mertens won the title, defeatingNao Hibino andMakoto Ninomiya in the final, 6–1, 6–1.^[1]

Key

	First round							Quarterfinals							Semifinals							Final
	1	V Kudermetova E Mertens	6	6
	WC	Ç Büyükakçay P Özgen	2	2				1	V Kudermetova E Mertens	6	4	[10]
		A Danilina K Rakhimova	3	6	[6]				D Jakupović Y Sizikova	4	6	[8]
		D Jakupović Y Sizikova	6	3	[10]										1	V Kudermetova E Mertens	6	6
	4	A Pavlyuchenkova A Potapova	5	6	[10]										4	A Pavlyuchenkova A Potapova	3	1
		B Haas Q Wang	7	3	[3]			4	A Pavlyuchenkova A Potapova	7	6
		M Kato K Piter	4	6	[5]			PR	V Golubic A Panova	5	3
	PR	V Golubic A Panova	6	4	[10]																	1	V Kudermetova E Mertens	6	6
		N Broady E Lechemia	0	3																		2	N Hibino M Ninomiya	1	1
		L Marozava A Mitu	6	6					L Marozava A Mitu	6	1	[3]
		P Kania-Choduń J Wachaczyk	6	6					P Kania-Choduń J Wachaczyk	2	6	[10]
	3	L Arruabarrena R Voráčová	2	2												P Kania-Choduń J Wachaczyk	3	2
		E-s Liang S Zheng	2	7	[8]										2	N Hibino M Ninomiya	6	6
	WC	E Vesnina V Zvonareva	6	5	[10]			WC	E Vesnina V Zvonareva	3	1
	PR	B Gumulya J Rompies	2	2				2	N Hibino M Ninomiya	6	6
	2	N Hibino M Ninomiya	6	6

• Main Draw

• 2021 WTA Tour
• İstanbul Cup
• 2021 in Istanbul
• 2021 in Turkish tennis

• Articles with short description
• Short description matches Wikidata
• All articles with unsourced statements
• Articles with unsourced statements from November 2024