Elena Vesnina Elena Sergeyevna Vesnina (born 1 August 1986) is a Russian former professional tennis player and a former world No. 1 in doubles. She is a four-time Grand Slam champion, having won the 2013 French Open, 2014 US Open, and 2017 Wimbledon Cha ...

was the defending champion, but lost in the third round to

Angelique Kerber Angelique Kerber (; born 18 January 1988) is a German professional tennis player. She has been ranked as high as world No. 1, for a total of 34 weeks, and won three major titles at the 2016 Australian Open, the 2016 US Open, and the 2018 Wim ...

Naomi Osaka is a Japanese professional tennis player. She has been ranked world No. 1 in singles by the Women's Tennis Association (WTA) and is the first Asian player to hold the top ranking in singles. Osaka is a four-time Grand Slam singles champio ...

won her first WTA title, defeating

Daria Kasatkina Daria Sergeyevna Kasatkina (born 7 May 1997) is a Russian professional tennis player. She is currently the Russian No. 1 player in singles. She made her top-ten debut in the WTA rankings towards the end of the 2018 season and has been ranked ...

in the final, 6–3, 6–2. It was the first time two players under 21 had contested the finals since

Kim Clijsters Kim Antonie Lode Clijsters (; born 8 June 1983) is a Belgian former professional tennis player. Clijsters reached the world No. 1 ranking in both singles and doubles, having held both rankings simultaneously in 2003. She won six major titles, ...

and

Serena Williams Serena Jameka Williams (born September 26, 1981) is an American inactive professional tennis player. Considered among the greatest tennis players of all time, she was ranked world No. 1 in singles by the Women's Tennis Association (WTA) for ...

2001 The September 11 attacks against the United States by Al-Qaeda, which Casualties of the September 11 attacks, killed 2,977 people and instigated the global war on terror, were a defining event of 2001. The United States led a Participants in ...

. At 20 years old, Osaka was the youngest winner at the event since

Ana Ivanovic Ana Schweinsteiger ( sr, Ана Швајнштајгер / ''Ana Švajnštajger''; born 6 November 1987), professionally known by her birth name Ana Ivanovic (Ана Ивановић / ''Ana Ivanović'', ), is a Serbian former world No. 1 tenn ...

2008 File:2008 Events Collage.png, From left, clockwise: Lehman Brothers went bankrupt following the Subprime mortgage crisis; Cyclone Nargis killed more than 138,000 in Myanmar; A scene from the opening ceremony of the 2008 Summer Olympics in Beijing; ...

, and at any Premier Mandatory event since

Caroline Wozniacki Caroline Wozniacki (; born 11 July 1990) is a Danish former professional tennis player. She was ranked world No. 1 in singles for a total of 71 weeks, including at the end of 2010 and 2011. She achieved the top ranking for the first time on 11 ...

at the 2010 China Open. She was also only the third unseeded player to win the tournament after Serena Williams (1999) and Clijsters (2005) and the first Japanese player to win a Premier Mandatory title.

Simona Halep Simona Halep (; born 27 September 1991) is a Romanian professional tennis player. She has been ranked world No. 1 in singles twice between 2017 and 2019, for a total of 64 weeks, which ranks eleventh in the history of the Women's Tennis Assoc ...

and Wozniacki were in contention for the WTA no. 1 singles ranking at the beginning of the tournament. Halep retained the top ranking after Wozniacki lost in the fourth round. Moreover, former no. 1 players

Victoria Azarenka Victória Fyódarauna Azárenka ( be, Вікторыя Фёдараўна Азаранка; Russian: Виктория Фёдоровна Азаренко; born 31 July 1989) is a Belarusian professional tennis player. Azarenka is a former wo ...

Maria Sharapova Maria Yuryevna Sharapova ( , ; rus, Мари́я Ю́рьевна Шара́пова, p=mɐˈrʲijə ʂɐˈrapəvə, a=Maria_sharapova.ogg; born 19 April 1987) is a Russian former List of WTA number 1 ranked singles tennis players, world No. 1 ...

and Serena Williams played in the same tournament for the first time since the

2016 Australian Open The 2016 Australian Open was a tennis tournament that took place at Melbourne Park between 18 and 31 January 2016. It was the 104th edition of the Australian Open, and the first Grand Slam tournament of the year. The tournament consisted of event ...

. This was Azarenka's first tournament since the

2017 Wimbledon Championships The 2017 Wimbledon Championships was a Grand Slam tennis tournament that took place at the All England Lawn Tennis and Croquet Club in Wimbledon, London, United Kingdom. The main draw matches commenced on 3 July 2017 and concluded on 16 July 20 ...

and Williams' first since the

2017 Australian Open The 2017 Australian Open was a tennis tournament that took place at Melbourne Park between 16 and 29 January 2017. It was the 105th edition of the Australian Open, and the first Grand Slam tournament of the year. The tournament consisted of event ...

. It was also Sharapova's first appearance at Indian Wells since 2015.

Seeds

All

seeds A seed is an embryonic plant enclosed in a protective outer covering, along with a food reserve. The formation of the seed is a part of the process of reproduction in seed plants, the spermatophytes, including the gymnosperm and angiosperm pl ...

received a bye into the second round.

Draw

Finals

Top half

Section 1

Section 2

Section 3

Section 4

Bottom half

Section 5

Section 6

Section 7

Section 8

Qualifying

Seeds

Qualifiers

Qualifying draw

First qualifier

Second qualifier

Third qualifier

Fourth qualifier

Fifth qualifier

Sixth qualifier

Seventh qualifier

Eighth qualifier

Ninth qualifier

Tenth qualifier

Eleventh qualifier

Twelfth qualifier

References

;General
Main Draw

Qualifying Draw
;Specific {{DEFAULTSORT:BNP Paribas Open - Women's Singles, 2018 Women's Singles