# 2021 Silicon Valley Classic

The 2021 Silicon Valley Classic (also known as the Mubadala Silicon Valley Classic for sponsorship reasons) 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$^{(10–12)}$, 6–1

### Doubles

* Darija Jurak / Andreja Klepač def. Gabriela Dabrowski / Luisa Stefani, 6−1, 7−5

## Points and prize money
### Point distribution

| Event | W | F | SF | QF | Round of 16 | Round of 32 | Q | Q2 | Q1 |
| Women's singles | 470 | 305 | 185 | 100 | 55 | 1 | 25 | 13 | 1 |
| Women's doubles | 470 | 305 | 185 | 100 | 1 | — | — | — | — |

### Prize money

| Event | W | F | SF | QF | Round of 16 | Round of 32 | Q2 | Q1 |
| Women's singles | $68,570 | $51,000 | $32,400 | $15,500 | $8,200 | $7,200 | $6,145 | $3,700 |
| Women's doubles | $25,230 | $17,750 | $10,000 | $5,500 | $3,500 | — | — | — |

## Singles main-draw entrants
### Seeds

| Country | Player | Rank$^1$ | Seed |
| BEL | Elise Mertens | 17 | 1 |
| KAZ | Elena Rybakina | 20 | 2 |
| USA | Madison Keys | 26 | 3 |
| RUS | Daria Kasatkina | 31 | 4 |
| RUS | Veronika Kudermetova | 32 | 5 |
| CRO | Petra Martić | 33 | 6 |
| USA | Danielle Collins | 35 | 7 |
| KAZ | Yulia Putintseva | 36 | 8 |
| USA | Alison Riske | 37 | 9 |
* Rankings are as of July 26, 2021.

### Other entrants

The following players received wildcards into the main draw:
* Claire Liu
* Emma Raducanu
The following player received entry using a protected ranking:
* CoCo Vandeweghe
The following players received entry from the qualifying draw:
* Emina Bektas
* Han Na-lae
* Ana Konjuh
* Lesley Pattinama Kerkhove

### 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

| Country | Player | Country | Player | Rank$^1$ | Seed |
| CAN | Gabriela Dabrowski | BRA | Luisa Stefani | 37 | 1 |
| CRO | Darija Jurak | SLO | Andreja Klepač | 49 | 2 |
| AUS | Ellen Perez | CZE | Květa Peschke | 76 | 3 |
| CZE | Marie Bouzková | CZE | Lucie Hradecká | 78 | 4 |
| MEX | Giuliana Olmos | USA | Sabrina Santamaria | 90 | 5 |
* $^1$ Rankings are as of 26 July 2021.

### Other entrants

The following pairs received wildcards into the doubles main draw:
* Makenna Jones / Elizabeth Scotty
* Ashlyn Krueger / Robin Montgomery
The following pair received entry as a alternates:
* Peyton Stearns / Maribella Zamarripa

### 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