Japan's Naomi Osaka returns the ball to Russia's Anastasia Zakharova (off frame) during the women's singles first round tennis match on day two of the US Open tennis tournament at the USTA Billie Jean King National Tennis Center in New York City on August 31, 2026. (Photo by CHARLY TRIBALLEAU / AFP via Getty Images)

NEW YORK, NEW YORK - AUGUST 31: Naomi Osaka of Japan looks on during a break against Anastasia Zakharova during their Women's Singles First Round match on Day Two of the 2026 US Open at USTA Billie Jean King National Tennis Center on August 31, 2026 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Patrick Smith/Getty Images)

NEW YORK, NEW YORK - AUGUST 31: Naomi Osaka of Japan serves against Anastasia Zakharova during their Women's Singles First Round match on Day Two of the 2026 US Open at USTA Billie Jean King National Tennis Center on August 31, 2026 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Julian Finney/Getty Images)

NEW YORK, NEW YORK - AUGUST 31: Naomi Osaka of Japan looks on against Anastasia Zakharova during their Women's Singles First Round match on Day Two of the 2026 US Open at USTA Billie Jean King National Tennis Center on August 31, 2026 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Patrick Smith/Getty Images)

NEW YORK, NEW YORK - AUGUST 31: Naomi Osaka of Japan returns a shot against Anastasia Zakharova during their Women's Singles First Round match on Day Two of the 2026 US Open at USTA Billie Jean King National Tennis Center on August 31, 2026 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Patrick Smith/Getty Images)

NEW YORK, NEW YORK - AUGUST 31: Naomi Osaka of Japan returns a shot against Anastasia Zakharova during their Women's Singles First Round match on Day Two of the 2026 US Open at USTA Billie Jean King National Tennis Center on August 31, 2026 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Patrick Smith/Getty Images)

NEW YORK, NEW YORK - AUGUST 31: A detailed view of Naomi Osaka of Japan shoes against Anastasia Zakharova during their Women's Singles First Round match on Day Two of the 2026 US Open at USTA Billie Jean King National Tennis Center on August 31, 2026 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Patrick Smith/Getty Images)

NEW YORK, NEW YORK - AUGUST 31: Naomi Osaka of Japan returns a shot against Anastasia Zakharova during their Women's Singles First Round match on Day Two of the 2026 US Open at USTA Billie Jean King National Tennis Center on August 31, 2026 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Patrick Smith/Getty Images)