Arnaldi is one of nine Italian men currently ranked inside the Top 100 of the ATP rankings. On Saturday, he knocked off world No. 5 and three-time Mutua Madrid Open champion Novak Djokovic, 6-3, 6-4, ...

He’s just the second Italian man born in 1990 or later to hit that number, after the current world No. 1, Jannik Sinner.