Japan's media have been enthusing about their new Grand Slam champion Naomi Osaka.

LISTEN: Champions Corner - Osaka sets sights on Singapore

After the 20-year-old beat Serena Williams to win the US Open on Saturday, she has been doing plenty of media interviews and finds herself splashed across the Japanese front pages, according to a feature in Japan Today.

A reader holds a copy of a newspaper on which Naomi Osaka's image is prominently featured (Getty)

Japan's largest newspaper, Yomiuri, ran a photo of her with her trophy at the top of its Monday front page - and in a headline inside the paper, Yomiuri called her an "Overnight Queen - Powerful and Stable", going on to hail her as a "new heroine that Japan is proud of".

LOOK: From Today to Top of the Rock - Osaka and her US Open trophy

Another newspaper, Asahi, called her the "New Queen," praising her combination of "strength and gentleness."

She has even received congratulations from the country's prime minister - and she remains much in demand by the media, who want her to reflect on her historic triumph as the first Japanese player to win a Grand Slam.

READ: Osaka's odyssey - how the world's media reacted

Osaka will return to Japan shortly for the Toray Pan Pacific Open, which begins on September 17.