Coco Gauff is at the heart of a promising era in American women's tennis -- but she admitted the men have some catching up to do.

The world No. 2 is joined in the top 10 by close friend Jessica Pegula

(No. 4), Amanda Anisimova (No. 5), and Madison Keys (No. 6).

Billionaire heiress Emma Navarro is only one spot back in 11th as the tennis world enters its hardcourt swing.

Each of the past four Grand Slam finals has featured an American woman, including wins for Gauff at Roland Garros and Keys at the Australian Open .

Gauff faces Wang Xinyu in the Cincinnati Open round of 62 Sunday and is hoping she can repeat her breakthrough 2023 triumph at the tournament, which was followed by a first Major at the US Open , a month later.

"It gave me the belief that I could win a Slam,"

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