Greatest Female Tennis Players of All Time: The Definitive List

Serena Williams is the most decorated female tennis player of the Open Era with 23 Grand Slam singles titles, and most experts name her the greatest of all time. Margaret Court won 24 majors overall, but 11 came before the Open Era began in 1968. Steffi Graf and Martina Navratilova complete the usual shortlist, leaving a GOAT debate that has run for decades without a settled answer.

What makes a female tennis player great

No single number crowns the greatest player, so analysts weigh several measures together:

• Grand Slam singles titles, the primary currency of tennis greatness
• Weeks at world No. 1, a measure of sustained dominance over peers
• Versatility, the ability to win on clay, grass, and hard courts
• Longevity, maintaining elite results across many years and generations
• Head-to-head records against the best contemporaries of their era

Because eras differ so sharply in competition depth, travel, technology, and prize money, cross-generational comparisons stay contested. That is why the same four or five names recur in every serious ranking.

The all-time greats

Serena Williams won 23 Grand Slam singles titles, the most of any player since the Open Era began in 1968. She won across four decades, on every surface, against multiple generations of opponents, and returned to major finals after serious health complications following childbirth. Her power, competitiveness, and cultural reach reshaped the sport.

Steffi Graf completed the Calendar Grand Slam in 1988, then added Olympic gold to make it the sport’s only “Golden Slam.” She won 22 majors on clay, grass, and hard courts and spent a record 377 weeks ranked world No. 1, still the women’s benchmark as of 2026.

Martina Navratilova brought a level of fitness and athleticism to women’s tennis that the sport had not emphasized before her. Her serve-and-volley game made Wimbledon her territory for years. Her 18 Grand Slam singles titles sit beside a doubles record that is arguably even more dominant, and she competed at an elite level across three decades.

Margaret Court holds the all-time record of 24 Grand Slam singles titles, though 11 came before the Open Era, which complicates direct comparison with modern players. Within her own era she was untouchable, completing the Calendar Grand Slam in 1970.

Chris Evert built her game on relentless consistency, reaching the semifinals or better in a remarkable share of the majors she entered and winning 18 titles. Her rivalry with Navratilova, two contrasting styles pushing each other, defined women’s tennis through the 1970s and 1980s.

Billie Jean King won 12 Grand Slam singles titles and, beyond the court, drove the founding of the WTA and the fight for equal prize money, making her one of the most influential figures the sport has produced.

At-a-glance table

Player	Country	Grand Slams (singles)	Weeks at No. 1	Career span
Margaret Court	Australia	24 (11 pre-Open Era)	—	1960s–1970s
Serena Williams	USA	23 (all Open Era)	319	1995–2022
Steffi Graf	Germany	22	377	1982–1999
Martina Navratilova	USA (Czech-born)	18	332	1975–2006
Chris Evert	USA	18	260	1972–1989
Billie Jean King	USA	12	—	1961–1983

Figures are Open Era WTA records where applicable; weeks at No. 1 predate the computer ranking for Court and King.

The current era (2024–2026)

Women’s tennis has a clear front-runner as of 2026. Aryna Sabalenka has held the world No. 1 ranking continuously since October 2024 and finished as year-end No. 1 in both 2024 and 2025. She owns four Grand Slam titles, the 2023 and 2024 Australian Opens and the 2024 and 2025 US Opens, and opened 2026 by completing the Sunshine Double at Indian Wells and Miami.

Iga Świątek remains the era’s most accomplished major winner with six Grand Slam titles: four French Opens, the 2022 US Open, and her first Wimbledon in 2025. Coco Gauff has two majors, the 2023 US Open and the 2025 French Open, where she beat Sabalenka in a three-set final. None has yet approached the all-time greats’ totals, but their rivalry is the defining storyline of the post-Serena game.

Why the debate endures

There is no single correct answer. In the Open Era, Serena Williams stands alone with 23 majors and four decades of relevance. Across all eras, Graf’s Golden Slam and 377 weeks at No. 1 and Court’s title count both hold up. Any serious top five has to include Serena, Graf, Navratilova, Court, and Evert, with Billie Jean King close behind on influence. The measures reward different virtues, so reasonable fans land on different names, and that unresolved tension is exactly what keeps the conversation alive.