2024 ATP Tour Defending men's champion Novak Djokovic is defeated in the third round by Alexei Popyrin, 6-4, 6-4, 2-6, 6-4, making 2024 the first tennis season since 2002 in which no Grand Slam tournaments were won by one of Djokovic, Roger Federer, or Rafael Nadal, collectively known as the "big three." Sources: AP News