Kazakhstan's Elena Rybakina serves to Japan's Naomi Osaka during the women's singles round of 16 tennis match on day nine of the US Open tennis tournament at the USTA Billie Jean King National Tennis Center in New York City on September 7, 2026. (Photo by TIMOTHY A. CLARY / AFP via Getty Images)

Kazakhstan's Elena Rybakina serves to Japan's Naomi Osaka during the women's singles round of 16 tennis match on day nine of the US Open tennis tournament at the USTA Billie Jean King National Tennis Center in New York City on September 7, 2026. (Photo by TIMOTHY A. CLARY / AFP via Getty Images)

NEW YORK, NEW YORK - SEPTEMBER 07: (L-R) Taylor Townsend of the United States and Katerina Siniakova of Czechia celebrates after defeating Storm Hunter of Australia and Desirae Krawczyk of the United States during their Women's Doubles Third Round match on Day Nine of the 2026 US Open at USTA Billie Jean King National Tennis Center on September 07, 2026 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Sarah Stier/Getty Images)

NEW YORK, NEW YORK - SEPTEMBER 07: Taylor Townsend of the United States celebrates with partner Katerina Siniakova of Czechia after defeating Storm Hunter of Australia and Desirae Krawczyk of the United States during their Women's Doubles Third Round match on Day Nine of the 2026 US Open at USTA Billie Jean King National Tennis Center on September 07, 2026 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Sarah Stier/Getty Images)

NEW YORK, NEW YORK - SEPTEMBER 07: Taylor Townsend of the United States celebrates with partner Katerina Siniakova of Czechia after defeating Storm Hunter of Australia and Desirae Krawczyk of the United States during their Women's Doubles Third Round match on Day Nine of the 2026 US Open at USTA Billie Jean King National Tennis Center on September 07, 2026 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Sarah Stier/Getty Images)

Kazakhstan's Elena Rybakina returns the ball to Japan's Naomi Osaka during the women's singles round of 16 tennis match on day nine of the US Open tennis tournament at the USTA Billie Jean King National Tennis Center in New York City on September 7, 2026. (Photo by Leonardo MUNOZ / AFP via Getty Images)

NEW YORK, NEW YORK - SEPTEMBER 07: Naomi Osaka of Japan walks on before a match against Elena Rybakina of Kazakhstan during their Women's Singles Fourth Round match on Day Nine of the 2026 US Open at USTA Billie Jean King National Tennis Center on September 07, 2026 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Sarah Stier/Getty Images)

NEW YORK, NEW YORK - SEPTEMBER 07: Naomi Osaka of Japan walks on before a match against Elena Rybakina of Kazakhstan during their Women's Singles Fourth Round match on Day Nine of the 2026 US Open at USTA Billie Jean King National Tennis Center on September 07, 2026 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Sarah Stier/Getty Images)