USA's Coco Gauff celebrates after defeating USA's Iva Jovic 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 CHARLY TRIBALLEAU / AFP via Getty Images)

USA's Coco Gauff celebrates after defeating USA's Iva Jovic 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 CHARLY TRIBALLEAU / AFP via Getty Images)

USA's Coco Gauff celebrates after defeating USA's Iva Jovic 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 CHARLY TRIBALLEAU / AFP via Getty Images)

NEW YORK, NEW YORK - SEPTEMBER 07: Coco Gauff of the United States celebrates after defeating Iva Jovic of the United States 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 Matthew Stockman/Getty Images)

NEW YORK, NEW YORK - SEPTEMBER 07: Coco Gauff of the United States celebrates after defeating Iva Jovic of the United States 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 Matthew Stockman/Getty Images)

NEW YORK, NEW YORK - SEPTEMBER 07: Coco Gauff of the United States celebrates after defeating Iva Jovic of the United States 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 Matthew Stockman/Getty Images)

USA's Iva Jovic returns the ball to USA's Coco Gauff 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 CHARLY TRIBALLEAU / AFP via Getty Images)

NEW YORK, NEW YORK - SEPTEMBER 07: Elena Rybakina of Kazakhstan serves a shot against Naomi Osaka of Japan 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 Patrick Smith/Getty Images)