2021 Silicon Valley Classic – Singles

Zheng Saisai was the reigning champion but chose not to participate.

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

Main article: 2021 Silicon Valley Classic

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

1. Elise Mertens (semifinals)
2. Elena Rybakina (quarterfinals)
3. Madison Keys (second round)
4. Daria Kasatkina (final)
5. Veronika Kudermetova (withdrew)
6. Petra Martić (second round)
7. Danielle Collins (champion)
8. Yulia Putintseva (quarterfinals)
9. Alison Riske (second round)

Draw

Key

• Q = Qualifier
• WC = Wild card
• LL = Lucky loser
• Alt = Alternate
• SE = Special exempt
• PR = Protected ranking
• ITF = ITF entry
• JE = Junior exempt
• w/o = Walkover
• r = Retired
• d = Defaulted
• SR = Special ranking

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

Seeds

1. Anastasia Potapova (qualifying competition)
2. Kristie Ahn (first round)
3. Caty McNally (moved to main draw)
4. Ana Konjuh (qualified)
5. Arina Rodionova (first round)
6. Lesley Pattinama Kerkhove (qualified)
7. Valeria Savinykh (first round)
8. Mayo Hibi (first round)

Qualifiers

1. Lesley Pattinama Kerkhove
2. Han Na-lae
3. Emina Bektas
4. Ana Konjuh

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

External links

• Main draw
• Qualifying draw