2026 National Bank Open – Women's doubles

Women's doubles
2026 National Bank Open
Champions	Kateřina Siniaková Zhang Shuai
Runners-up	Sara Errani Nicole Melichar-Martinez
Score	6–3, 6–4
Date	13 August 2026
Draw	32
Seeds	8

Further information: 2026 National Bank Open

Kateřina Siniaková and Zhang Shuai defeated Sara Errani and Nicole Melichar-Martinez in the final, 6–3, 6–4 to win the women's doubles tennis title at the 2026 Canadian Open.

Coco Gauff and McCartney Kessler were the defending champions, but they played separately this year. Gauff partnered Caty McNally, but lost in the second round to Siniaková and Zhang. Kessler partnered Jessica Pegula, but lost in the first round to Errani and Melichar-Martinez.

Seeds

1. Kateřina Siniaková / Zhang Shuai (champions)
2. Anna Danilina / Aleksandra Krunić (first round)
3. Sara Errani / Nicole Melichar-Martinez (final)
4. Guo Hanyu / Kristina Mladenovic (first round)
5. Hsieh Su-wei / Jeļena Ostapenko (semifinals)
6. Elise Mertens / Diana Shnaider (quarterfinals)
7. Ellen Perez / Demi Schuurs (quarterfinals)
8. Shuko Aoyama / Liang En-shuo (first round)

Draw

Key

• Q = Qualifier
• WC = Wild card
• LL = Lucky loser
• Alt = Alternate
• ITF = ITF entry
• PR = Protected ranking
• SR = Special ranking
• SE = Special exempt
• JE = Junior exempt
• JR = Junior Accelerator Programme entrant
• CO = College Accelerator Programme entrant
• NG = Next Gen Accelerator Program entrant
• w/o = Walkover
• r = Retired
• d = Defaulted

Finals

	Semifinals							Final
	1	Kateřina Siniaková Zhang Shuai	6	7
		Tereza Mihalíková Olivia Nicholls	1	5
								1	Kateřina Siniaková Zhang Shuai	6	6
								3	Sara Errani Nicole Melichar-Martinez	3	4
	3	Sara Errani Nicole Melichar-Martinez	6	4	[10]
	5	Hsieh Su-wei Jeļena Ostapenko	1	6	[8]

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	K Siniaková S Zhang	6	6
		M Andreeva S Cîrstea	2	2				1	K Siniaková S Zhang	6	6
		E Alexandrova G Dabrowski	6	3	[9]				C Gauff C McNally	0	4
		C Gauff C McNally	3	6	[11]										1	K Siniaková S Zhang	6	6
		S Hunter D Krawczyk	6	6												S Hunter D Krawczyk	4	3
		K Piter J Tjen	4	0					S Hunter D Krawczyk	6	6
		H-c Chan M Joint	6	6					H-c Chan M Joint	2	2
	8	S Aoyama E-s Liang	2	3																		1	K Siniaková S Zhang	6	7
	4	H Guo K Mladenovic	3	77	[5]																		T Mihalíková O Nicholls	1	5
		E Routliffe A Sutjiadi	6	64	[10]				E Routliffe A Sutjiadi	3	5
		C Bucșa E Chong	6	5	[9]				T Mihalíková O Nicholls	6	7
		T Mihalíková O Nicholls	4	7	[11]											T Mihalíková O Nicholls	7	6
		X Jiang F-h Wu	6	0	[10]										6	E Mertens D Shnaider	5	4
		M Bouzková L Nosková	4	6	[6]				X Jiang F-h Wu	3	3
	WC	B Fernandez L Fernandez	1	2				6	E Mertens D Shnaider	6	6
	6	E Mertens D Shnaider	6	6

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	7	E Perez D Schuurs	7	6
		N Kichenok M Lumsden	5	4				7	E Perez D Schuurs	6	6
		A Muhammad F Stollár	4	6	[10]				A Muhammad F Stollár	4	2
		Q Tang Y Xu	6	3	[7]										7	E Perez D Schuurs	2	2
		M Kato L Samsonova	6	6											3	S Errani N Melichar-Martinez	6	6
	WC	A Eala V Williams	4	3					M Kato L Samsonova	2	2
		M Kessler J Pegula	2	6	[8]			3	S Errani N Melichar-Martinez	6	6
	3	S Errani N Melichar-Martinez	6	3	[10]																	3	S Errani N Melichar-Martinez	6	4	[10]
	5	S-w Hsieh J Ostapenko	6	6																		5	S-w Hsieh J Ostapenko	1	6	[8]
		M Sakkari D Vekić	2	2				5	S-w Hsieh J Ostapenko	6	77
	WC	B Andreescu K Cross	4	63					U Eikeri Q Gleason	4	61
		U Eikeri Q Gleason	6	77											5	S-w Hsieh J Ostapenko	77	6
		A Li C Tauson	6	7												A Li C Tauson	64	4
		M Kempen A Panova	2	5					A Li C Tauson	4	77	[11]
	PR	I Neel G Olmos	6	7				PR	I Neel G Olmos	6	63	[9]
	2	A Danilina A Krunić	4	5

Seeded teams

The following are the seeded teams. Seedings are based on WTA rankings as of 27 July 2026.

Country	Player	Country	Player	Rank	Seed
CZE	Kateřina Siniaková	CHN	Zhang Shuai	9	1
KAZ	Anna Danilina	SRB	Aleksandra Krunić	11	2
ITA	Sara Errani	USA	Nicole Melichar-Martinez	21	3
CHN	Guo Hanyu	FRA	Kristina Mladenovic	22	4
TPE	Hsieh Su-wei	LAT	Jeļena Ostapenko	32	5
BEL	Elise Mertens		Diana Shnaider	40	6
AUS	Ellen Perez	NED	Demi Schuurs	42	7
JPN	Shuko Aoyama	TPE	Liang En-shuo	46	8

Other entry information

Wildcards

• Bianca Andreescu / Kayla Cross
• Alexandra Eala / Venus Williams
• Bianca Fernandez / Leylah Fernandez

Protected ranking

• Ingrid Neel / Giuliana Olmos

External links

• Main draw