NEW YORK, NEW YORK - AUGUST 30: Carl Radke at the Heineken Suite of the US Open at the USTA National Tennis Center in New York on August 30, 2026 in New York City. (Photo by Craig Barritt/Getty Images for Heineken)

NEW YORK, NEW YORK - AUGUST 30: Carl Radke at the Heineken Suite of the US Open at the USTA National Tennis Center in New York on August 30, 2026 in New York City. (Photo by Craig Barritt/Getty Images for Heineken)

NEW YORK, NEW YORK - AUGUST 30: Carl Radke at the Heineken Suite of the US Open at the USTA National Tennis Center in New York on August 30, 2026 in New York City. (Photo by Craig Barritt/Getty Images for Heineken)

NEW YORK, NEW YORK - AUGUST 30: Carl Radke at the Heineken Suite of the US Open at the USTA National Tennis Center in New York on August 30, 2026 in New York City. (Photo by Craig Barritt/Getty Images for Heineken)

NEW YORK NEW YORK - AUGUST 30: Novak Djokovic of Serbia returns a shot in his match against Mariano Navone of Argentina during their Men's Singles First Round match on Day One of the 2026 US Open at USTA Billie Jean King National Tennis Center on August 30, 2026 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Julian Finney/Getty Images)

NEW YORK NEW YORK - AUGUST 30: Novak Djokovic of Serbia returns a shot in his match against Mariano Navone of Argentina during their Men's Singles First Round match on Day One of the 2026 US Open at USTA Billie Jean King National Tennis Center on August 30, 2026 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Julian Finney/Getty Images)

NEW YORK NEW YORK - AUGUST 30: Novak Djokovic of Serbia serves against Mariano Navone of Argentina during their Men's Singles First Round match on Day One of the 2026 US Open at USTA Billie Jean King National Tennis Center on August 30, 2026 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Julian Finney/Getty Images)

NEW YORK NEW YORK - AUGUST 30: Mariano Navone of Argentina holds his racket against Novak Djokovic of Serbia during their Men's Singles First Round match on Day One of the 2026 US Open at USTA Billie Jean King National Tennis Center on August 30, 2026 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Julian Finney/Getty Images)