Mariano Navone stunned Novak Djokovic in a four-hour, 36-minute US Open thriller to secure the biggest victory of his career
The 25-year-old Argentine reached a career-high No. 29 in 2024 and won his maiden ATP title in Bucharest earlier this year
A lifelong Djokovic admirer, Navone has now defeated his childhood idol on the biggest stage at Arthur Ashe Stadium