Jannik Sinner has clinched the year-end world No. 1 ranking in men's tennis after defeating Czech player Tomas Machac, the 30th seed, with a score of 6-4, 7-5 in the semi-finals of the Shanghai Masters. This victory marks a significant achievement for the Italian, who has secured two Grand Slam titles this year. Machac started strong, taking the first two games, but Sinner quickly found his rhythm and turned the set in his favor, finishing it in just 44 minutes. As the match progressed, Machac began to accumulate errors, while Sinner maintained his composure, committing only nine unforced errors throughout the match. With this win, Sinner notched his 64th victory of the year. In other news, Aryna Sabalenka triumphed over Coco Gauff in Wuhan, with Gauff struggling with her serve, recording 21 double faults during the match.