Four-time U.S. Open champion Novak Djokovic was shockingly upset in the first round of the 2026 tournament by Mariano Navone on Sunday, ending a wild streak of

The 39-year-old Djokovic hadn’t lost in the first round of a major since early in his career, in 2006.

TAMARA PRENN IN NEW YORK: Not since the 2006 Australian Open has the Serbian serial champion fallen at the first time of asking at a major