World number one Jannik Sinner threw the ball in air to serve but stopped after a fan in the stands sneezed during his semifinal match against Zhang Zhizhen at 2024 Halle Open. Sinner and the crowd erupted in laughter after the incident. Sinner won the game with a scoreline of 6-4, 7-6(3) and will face Hubert Hurkacz in the final.