Madison Keys Madison Keys (born February 17, 1995) is an American professional tennis player. She has been WTA rankings, ranked as high as world No. 5 in women's singles by the Women's Tennis Association, WTA. Keys has won ten WTA Tour-level career singles ...

was the defending champion, but withdrew due to a wrist injury.

Mihaela Buzărnescu Mihaela Buzărnescu (born 4 May 1988) is a Romanian tennis player. She has a career-high WTA singles ranking of No. 20, achieved on 6 August 2018. Her best doubles ranking of world No. 24, she reached on 22 October 2018. She won one singles tit ...

won her first

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 ...

singles title, defeating

Maria Sakkari Maria Sakkari (, ; born 25 July 1995) is a Greek professional tennis player. She has been ranked as high as world No. 3 by the Women's Tennis Association, WTA, which she first achieved on 21 March 2022, making her the highest-ranked Greek player ...

in the final, 6–1, 6–0.

Seeds

The top four

seeds In botany, a seed is a plant structure containing an embryo and stored nutrients in a protective coat called a ''testa''. More generally, the term "seed" means anything that can be sown, which may include seed and husk or tuber. Seeds are the ...

received a bye into the second round. Note:

Aryna Sabalenka Aryna Siarhiejeŭna Sabalenka (born 5 May 1998) is a Belarusian professional tennis player. She is currently ranked as the world No. 1 in women's singles by the Women's Tennis Association (WTA), and is a former world No. 1 in women's doubles. ...

, who would have been placed in the entry list on the initial entry cutoff date of June 18, 2018 and seeded 7th, entered late and played the qualifying tournament. But she was eliminated in qualifying matches.

Draw

Finals

Top half

Bottom half

Qualifying

Seeds

Qualifiers

Lucky losers

Qualifying draw

First qualifier

Second qualifier

Third qualifier

Fourth qualifier

External links

Main draw

Qualifying draw
{{DEFAULTSORT:Silicon Valley Classic - Singles 2018 US Open Series 2018 WTA Tour

2018 Singles Eighteen or 18 may refer to: * 18 (number) * One of the years 18 BC, AD 18, 1918, 2018 Film, television and entertainment * ''18'' (film), a 1993 Taiwanese experimental film based on the short story ''God's Dice'' * ''Eighteen'' (film), a 2 ...