NEW YORK, NEW YORK - AUGUST 25: Carlos Alcaraz of Spain interacts with Serena Williams of the United States in their mixed doubles match against Erin Routliffe of New Zealand and Lloyd Glasspool of the United Kingdom during Fan Week at the USTA Billie Jean King National Tennis Center on August 25, 2026 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Sarah Stier/Getty Images)

NEW YORK, NEW YORK - AUGUST 25: Carlos Alcaraz of Spain returns a shot with partner Serena Williams of the United States in their mixed doubles match against Erin Routliffe of New Zealand and Lloyd Glasspool of the United Kingdom during Fan Week at the USTA Billie Jean King National Tennis Center on August 25, 2026 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Sarah Stier/Getty Images)

NEW YORK, NEW YORK - AUGUST 25: Serena Williams of the United States returns a shot with partner Carlos Alcaraz of Spain in their mixed doubles match against Erin Routliffe of New Zealand and Lloyd Glasspool of the United Kingdom during Fan Week at the USTA Billie Jean King National Tennis Center on August 25, 2026 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Sarah Stier/Getty Images)

NEW YORK, NEW YORK - AUGUST 25: Carlos Alcaraz of Spain reacts with partner Serena Williams of the United States in their mixed doubles match against Erin Routliffe of New Zealand and Lloyd Glasspool of the United Kingdom during Fan Week at the USTA Billie Jean King National Tennis Center on August 25, 2026 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Sarah Stier/Getty Images)

NEW YORK, NEW YORK - AUGUST 25: Serena Williams of the United States returns a shot with partner Carlos Alcaraz of Spain in their mixed doubles match against Erin Routliffe of New Zealand and Lloyd Glasspool of the United Kingdom during Fan Week at the USTA Billie Jean King National Tennis Center on August 25, 2026 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Sarah Stier/Getty Images)

NEW YORK, NEW YORK - AUGUST 25: Serena Williams of the United States reacts with partner Carlos Alcaraz of Spain in their mixed doubles match against Erin Routliffe of New Zealand and Lloyd Glasspool of the United Kingdom during Fan Week at the USTA Billie Jean King National Tennis Center on August 25, 2026 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Sarah Stier/Getty Images)

NEW YORK, NEW YORK - AUGUST 25: Serena Williams of the United States reacts with partner Carlos Alcaraz of Spain in their mixed doubles match against Erin Routliffe of New Zealand and Lloyd Glasspool of the United Kingdom during Fan Week at the USTA Billie Jean King National Tennis Center on August 25, 2026 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Sarah Stier/Getty Images)

NEW YORK, NEW YORK - AUGUST 25: Serena Williams of the United States reacts with partner Carlos Alcaraz of Spain in their mixed doubles match against Erin Routliffe of New Zealand and Lloyd Glasspool of the United Kingdom during Fan Week at the USTA Billie Jean King National Tennis Center on August 25, 2026 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Sarah Stier/Getty Images)