Watch the highlights from the opening round of the 2026 US Open as Mariano Navone defeats No. 4 Novak Djokovic in 5 sets (7-6, 5-7, 4-6, 6-2, 6-1). Navone hands Djokovic his first opening-round loss of the US Open. It is Djokovic's first major loss in the first round since 2006. 0:00 Introductions 0:36 Set 1 3:45 Set 2 7:14 Set 3 11:21 Set 4 13:43 Set 5 16"38 Celebrations ✔️ Subscribe to ESPN Unlimited: plus.espn.com #ESPN