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Barbora Krejcikova has long been one of the best doubles players in the world, but over the last year and a half something’s clicked in singles, and now she’s one of the best in the world in both disciplines.

And this week, Krejcikova rose from No. 3 to a new career-high of No. 2 in singles, which means she joins a very, very exclusive list: she’s the 10th woman in WTA rankings history to have reached the Top 2 in both singles and doubles in her career.

She's currently ranked No. 2 in doubles (her career-high is No. 1).

(Note: While the WTA singles rankings began on November 3rd, 1975, the WTA doubles rankings only began on September 10th, 1984, thus this only includes doubles rankings from 1984 and on.)

WOMEN TO REACH TOP 2 IN BOTH SINGLES AND DOUBLES ON WTA RANKINGS (career-highs listed in parentheses)
~ Martina Navratilova (No. 1 in singles, No. 1 in doubles)
~ Arantxa Sanchez-Vicario (No. 1 in singles, No. 1 in doubles)
~ Jana Novotna (No. 2 in singles, No. 1 in doubles)
~ Martina Hingis (No. 1 in singles, No. 1 in doubles)
~ Lindsay Davenport (No. 1 in singles, No. 1 in doubles)
~ Venus Williams (No. 1 in singles, No. 1 in doubles)
~ Serena Williams (No. 1 in singles, No. 1 in doubles)
~ Kim Clijsters (No. 1 in singles, No. 1 in doubles)
~ Aryna Sabalenka (No. 2 in singles, No. 1 in doubles)
~ Barbora Krejcikova (No. 2 in singles, No. 1 in doubles)

Of the 10, only one—Sabalenka—hasn't been in the Top 2 of singles and doubles at the same time, barely missing out on the achievement in 2021 (she fell out of the doubles Top 2 in April and entered the singles Top 2 in August).

Krejcikova didn't just win the singles at Roland Garros last year, she won the doubles with Katerina Siniakova, becoming one of only three women in the last 20 years to sweep the singles and doubles at a Grand Slam, alongside the Williams sisters.

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Of the other nine…

Six have been No. 1 in singles and doubles at the same time:
103 weeks: Martina Navratilova (1984-1987)
29 weeks: Martina Hingis (1998-2000)
9 weeks: Serena Williams (2010)
7 weeks: Arantxa Sanchez-Vicario (1995)
3 weeks: Lindsay Davenport (2000)
3 weeks: Kim Clijsters (2003)

And three have been Top 2 in singles and doubles at the same time:
7 weeks: Venus (2010)
6 weeks: Novotna (1998)
1 week: Krejcikova (2022)

Krejcikova is the first woman to be ranked in the Top 2 of singles and doubles at the same time since Serena, who was last in the Top 2 of both during the 2010 US Open from August 30th to September 12th, 2010 (she was No. 1 in singles and No. 2 in doubles there).

And finally…

Krejcikova is currently the only player, male OR female, to be in the Top 10 of both singles and doubles. Only one other player, male or female, is currently in the Top 20 of both: Coco Gauff, who’s No. 19 in singles and No. 10 in doubles.

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