2021 Silicon Valley Classic
The 2021 Silicon Valley Classic was a professional tennis tournament played on hard courts. It was the 49th edition of the tournament, and part of the WTA 500 of the 2021 WTA Tour. It took place between 2 and 8 August 2021 in San Jose, California. It was the first women's event on the 2021 US Open Series.
Champions
Singles
Danielle Collins def. Daria Kasatkina, 6–3, 6–7, 6–1Doubles
- Darija Jurak / Andreja Klepač def. Gabriela Dabrowski / Luisa Stefani, 6−1, 7−5
Singles main-draw entrants
Seeds
Other entrants
The following players received wildcards into the main draw:The following player received entry using a protected ranking:
The following players received entry from the qualifying draw:
Withdrawals
;Before the tournament- Ekaterina Alexandrova → replaced by Kristina Mladenovic
- Paula Badosa → replaced by Caroline Garcia
- Sofia Kenin → replaced by Marie Bouzková
- Veronika Kudermetova → replaced by Caty McNally
- Karolína Muchová → replaced by Donna Vekić
- Jeļena Ostapenko → replaced by Anastasija Sevastova
Doubles main-draw entrants
Seeds
Other entrants
The following pairs received wildcards into the doubles main draw:The following pair received entry as a alternates:
Withdrawals
;Before the tournament- Marie Bouzková / Lucie Hradecká → replaced by Peyton Stearns / Maribella Zamarripa
- Chan Hao-ching / Latisha Chan → replaced by Elixane Lechemia / Ingrid Neel
- Desirae Krawczyk / Bethanie Mattek-Sands → replaced by Emina Bektas / Tara Moore
- Sania Mirza / Asia Muhammad → replaced by Erin Routliffe / Aldila Sutjiadi