Facts & Stats

Ranking Reaction: Iga Swiatek kicks off 40th consecutive week at No. 1

By John Berkok Jan 02, 2023
Facts & Stats

Biggest ranking jumps in 2025: Amanda Anisimova makes biggest leap into Top 10

By John Berkok Dec 03, 2025
Facts & Stats

Most titles in 2025: Carlos Alcaraz joins exclusive list with eight trophies this year

By John Berkok Dec 02, 2025
Facts & Stats

Most aces in 2025: Elena Rybakina becomes first woman in nine years to surpass 500 aces

By John Berkok Dec 01, 2025
Facts & Stats

10 sensational things Jannik Sinner achieved by winning this year's ATP Finals in Turin

By John Berkok Nov 20, 2025
Facts & Stats

Roger Federer is headed to the International Tennis Hall of Fame: 26 stats for his 2026 induction

By John Berkok Nov 19, 2025
Facts & Stats

Generational Rivalry: Jannik Sinner, Carlos Alcaraz head into 2026 after playing for four of five biggest titles

By TENNIS.com Nov 16, 2025
Facts & Stats

Carlos Alcaraz and Jannik Sinner's blockbuster final clash at the ATP Finals: 10 things to know

By John Berkok Nov 16, 2025
Facts & Stats

Novak Djokovic has now won 101 career titles across 20 different countries and in 30 different cities

By John Berkok Nov 08, 2025
Facts & Stats

Four Grand Slams, four different champions: The importance of this year’s WTA Finals

By John Berkok Oct 31, 2025
Facts & Stats

Ranking Reaction: Iga Swiatek kicks off 40th consecutive week at No. 1

She’s the fourth woman in WTA rankings history to spend 40 or more weeks at No. 1 in their first stint at the top spot.

ByJohn Berkok

Published Jan 02, 2023

HIGHLIGHTS: I. Swiatek def. Y. Putintseva; United Cup Day 3

Advertising

Iga Swiatek rose to No. 1 on the WTA rankings for the first time on April 4th, 2022, and today—January 2nd, 2023—the Polish trailblazer kicks off her 40th consecutive week at the top spot.

Since WTA rankings began in 1975, she’s just the fourth woman to spend 40 or more consecutive weeks at No. 1 in their first stint there.

TOP 10 LONGEST FIRST-TIME STINTS AS WTA NO. 1:
186 weeks: Steffi Graf [Aug. 17, 1987 to Mar. 10, 1991]
80 weeks: Martina Hingis [Mar. 31, 1997 to Oct. 11, 1998]
57 weeks: Serena Williams [Jul. 8, 2002 to Aug. 10, 2003]
40 weeks: Iga Swiatek [Apr. 4, 2022 to present]
26 weeks: Martina Navratilova [Jul. 10, 1978 to Jan. 13, 1979]
25 weeks: Chris Evert [Nov. 3, 1975 to Apr. 25, 1976]
25 weeks: Dinara Safina [Apr. 20, 2009 to Oct. 11, 2009]
21 weeks: Monica Seles [Mar. 11, 1991 to Aug. 4, 1991]
21 weeks: Naomi Osaka [Jan. 28, 2019 to Jun. 23, 2019]
20 weeks: Angelique Kerber [Sept. 12, 2016 to Jan. 29, 2017]

Swiatek already has the 13th-most career weeks at No. 1 in WTA rankings history.

Swiatek already has the 13th-most career weeks at No. 1 in WTA rankings history.

© 2023 Robert Prange

Advertising

All stints combined, Swiatek is already the 13th woman in WTA rankings history to record 40 career weeks at No. 1.

MOST CAREER WEEKS AS WTA NO. 1 (40+ weeks):
377: Steffi Graf
332: Martina Navratilova
319: Serena Williams
260: Chris Evert
209: Martina Hingis
178: Monica Seles
121: Ashleigh Barty
117: Justine Henin
98: Lindsay Davenport
71: Caroline Wozniacki
64: Simona Halep
51: Victoria Azarenka
40: Iga Swiatek

Swiatek has already gotten her 2023 season off to a winning start, cruising to a 6-1, 6-3 victory over Yulia Putintseva on Saturday during Poland’s United Cup tie against Kazakhstan.

She also won a mixed doubles match alongside Hubert Hurkacz on Sunday, even pulling off an early frontrunner for shot of the year: