Zheng Saisai Zheng Saisai or Zheng Sai-Sai (; born 5 February 1994) is a Chinese tennis player. She has a career-high singles ranking of world No. 34, achieved on 2 March 2020, and a doubles ranking of No. 15, achieved on 11 July 2016. In her career, she wo ...

was the reigning champion but chose not to participate.

Danielle Collins Danielle Rose Collins (born December 13, 1993) is an American professional tennis player. She has reached career-high WTA rankings of world No. 7 in singles and No. 79 in doubles. Collins has won four singles titles, including a WTA 1000 titl ...

won the title, her second consecutive singles title on the

WTA Tour The WTA Tour (also known as the Hologic WTA Tour for sponsorship reasons) is a worldwide top-tier tennis tour for women and organized by the Women's Tennis Association. The second-tier tour is the WTA 125 series, and third-tier is the ITF Wome ...

, defeating

Daria Kasatkina Daria Sergeyevna Kasatkina (born 7 May 1997) is a Russian-born Australian professional tennis player. She has been ranked as high as world No. 8 in women's singles by the Women's Tennis Association, WTA, achieved in October 2022. Kasatkina ha ...

in the final, 6–3, 6–7^(10–12), 6–1.

Seeds

Draw

Finals

Top half

Bottom half

Qualifying

Seeds

Qualifiers

Qualifying draw

First qualifier

Second qualifier

Third qualifier

Fourth qualifier

References

External links

Main draw

Qualifying draw
{{DEFAULTSORT:2021 Silicon Valley Classic - Singles Silicon Valley Classic - Singles

2021 Singles 1 (one, unit, unity) is a number, numeral, and glyph. It is the first and smallest positive integer of the infinite sequence of natural numbers. This fundamental property has led to its unique uses in other fields, ranging from science to ...