NEW YORK NEW YORK - AUGUST 30: Umpire Alison Hughes officiates during Novak Djokovic of Serbia against Mariano Navone of Argentina in 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 celebrates winning the third set 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 celebrates winning the third set 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)

ARLINGTON, TEXAS - AUGUST 30: Diamond Miller #1 of the Connecticut Sun reacts to an officials call during the second half against the Dallas Wings at College Park Center on August 30, 2026 in Arlington, Texas. NOTE TO USER: User expressly acknowledges and agrees that, by downloading and or using this photograph, User is consenting to the terms and conditions of the GettyImages License Agreement. (Photo by Stacy Revere/Getty Images)

NEW YORK NEW YORK - AUGUST 30: Novak Djokovic of Serbia reacts 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 Mike Stobe/Getty Images)

NEW YORK NEW YORK - AUGUST 30: Novak Djokovic of Serbia looks on 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 Mike Stobe/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 Mike Stobe/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 Mike Stobe/Getty Images)