The 5 women with the highest Grand Slam win percentage: Steffi Graf with 89.7%, Serena Williams 3rd

From players who have won at least 100 matches at Grand Slams, Steffi Graf holds a higher win rate than any other woman in the Open Era.

Graf secured 22 major titles during her career and her fellow icon Serena Williams is the only woman to win more (with 23) since the Professional Era started in 1968.

Here are the five players with the highest win percentage in women’s singles Grand Slam matches in the Open Era (minimum of 100 wins).

5. Monica Seles – 85.4%
Monica Seles compiled a 181-31 record from the 212 matches she contested at major events, giving her a win rate of 85.4%.

The Yugoslavian-American held her best Grand Slam win percentage (91.5%) at the Australian Open, ahead of the French Open, the US Open and Wimbledon.

Seles’ Grand Slam record
Australian Open – 43-4 (91.5%)

French Open – 54-8 (87.1%)

Wimbledon – 30-9 (76.9%)

US Open – 53-10 (84.1%)

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4. Martina Navratilova – 86.2%
Martina Navratilova amassed a 306-49 record from the 355 matches she played at Grand Slam tournaments, giving her a win percentage of 86.2%.

The Czech-American held her highest major win rate at Wimbledon (89.6%), ahead of the Australian Open, the US Open and the French Open.

Navratilova’ Grand Slam record
Australian Open – 46-7 (86.5%)

French Open – 51-11 (82.3%)

Wimbledon – 120-14 (89.6%)

US Open – 89-17 (84.3%)

3. Serena Williams – 86.8%
Serena Williams finished her career with a 367-56 record from the 423 matches she played at major tournaments, giving her a win rate of 86.8%.

The American held her best Grand Slam win percentage at the US Open (87.8%), ahead of the Australian Open, Wimbledon and the French Open.

Williams’ Grand Slam record
Australian Open – 92-13 (87.6%)

French Open – 69-14 (83.1%)

Wimbledon – 98-14 (87.5%)

US Open – 108-15 (87.8%)

2. Chris Evert – 89%
Chris Evert compiled a 299-37 record from the 336 matches she played at Grand Slam events, giving her a win percentage of 89%.

The American held her highest major win rate at the French Open (92.3%), ahead of the US Open, the Australian Open and Wimbledon.

Evert’s Grand Slam record
Australian Open – 30-4 (88.2%)

French Open – 72-6 (92.3%)

Wimbledon – 96-15 (86.5%)

US Open – 101-12 (89.4%)

1. Steffi Graf – 89.7%
Graf amassed a 278-32 record from the 310 matches she played at Grand Slam tournaments, giving her a win percentage of 89.7%.

The German held her highest major win rate at Wimbledon (91.4%), ahead of the French Open, the US Open and the Australian Open.

Graf’s Grand Slam record
Australian Open – 47-6 (88.7%)