Singles
2021 Silicon Valley Classic
Champion	Danielle Collins
Runner-up	Daria Kasatkina
Score	6–3, 6–7(10–12), 6–1
Draw	28
Seeds	8

Zheng Saisai was the reigning champion^[1] but chose not to participate.

Danielle Collins won the title, her second consecutive singles title on the WTA Tour, defeating Daria Kasatkina in the final, 6–3, 6–7^(10–12), 6–1.

Seeds

Draw

Finals

	Semifinals							Final
	1	Elise Mertens	3	2
	4	Daria Kasatkina	6	6
								4	Daria Kasatkina	3	712	1
								7	Danielle Collins	6	610	6
	Q	Ana Konjuh	0	2
	7	Danielle Collins	6	6

Top half

	First round							Second round							Quarterfinals							Semifinals
								1	E Mertens	6	4	6
		K Mladenovic	6	6					K Mladenovic	2	6	4
	Q	N-l Han	4	4											1	E Mertens	6	710
		A Tomljanović	1	7	7										8	Y Putintseva	3	68
		A Anisimova	6	5	5				A Tomljanović	6	5	3
		D Vekić	5	3				8	Y Putintseva	3	7	6
	8	Y Putintseva	7	6																		1	E Mertens	3	2
																						4	D Kasatkina	6	6
								4	D Kasatkina	3	7	6
	Q	E Bektas	3	4					C Garcia	6	5	3
		C Garcia	6	6											4	D Kasatkina	6	3	6
		M Linette	6	6												M Linette	4	6	4
	Q	L Pattinama Kerkhove	3	3					M Linette	7	77
		A Sevastova	3	3				6	P Martić	5	65
	6	P Martić	6	6

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	9	A Riske	6	6
	PR	C Vandeweghe	3	4				9	A Riske	1	4
		M Bouzková	5	6	5			Q	A Konjuh	6	6
	Q	A Konjuh	7	3	7										Q	A Konjuh	3	6	6
	WC	E Raducanu	3	2												S Zhang	6	2	0
		S Zhang	6	6					S Zhang	7	77
								3	M Keys	5	65
																						Q	A Konjuh	0	2
	7	D Collins	6	6																		7	D Collins	6	6
		S Rogers	4	3				7	D Collins	3	6	6
		C McNally	4	2					S Stephens	6	4	3
		S Stephens	6	6											7	D Collins	77	77
		D Yastremska	3	6	4										2	E Rybakina	65	64
	WC	C Liu	6	4	6			WC	C Liu	6	0	2
								2	E Rybakina	2	6	6

Qualifying

Qualifying draw

First qualifier

	First round							Qualifying competition
	1	Anastasia Potapova	2	6	6
		Danielle Lao	6	0	2
								1	Anastasia Potapova	77	5	5
								6	Lesley Pattinama Kerkhove	64	7	7
		Carol Zhao	2	2
	6	Lesley Pattinama Kerkhove	6	6

Second qualifier

	First round							Qualifying competition
	2	Kristie Ahn	3	6	0
		Han Na-lae	6	2	6
									Han Na-lae	6	4	6
								WC	Ashlyn Krueger	1	6	1
	WC	Ashlyn Krueger	6	77
	7	Valeria Savinykh	1	62

Third qualifier

	First round							Qualifying competition
	Alt	Emina Bektas	6	1	6
		Katie Volynets	4	6	3
								Alt	Emina Bektas	6	5	6
									Ellen Perez	4	7	4
		Ellen Perez	6	62	7
	8	Mayo Hibi	2	77	5

Fourth qualifier

	First round							Qualifying competition
	4	Ana Konjuh	6	6
		Eri Hozumi	3	2
								4	Ana Konjuh	6	77
								WC	Robin Montgomery	3	62
	WC	Robin Montgomery	6	6
	5	Arina Rodionova	4	0

References

External links

• Main draw
• Qualifying draw