![Serbia's Novak Djokovic celebrates with the trophy after winning the singles final tennis match of the ATP World Tour Finals at the Pala Alpitour, in Turin, Italy, Sunday, Nov. 19, 2023. (AP Photo/Antonio Calanni)](https://media.cnn.com/api/v1/images/stellar/prod/231120110628-01-novak-djokovic-111923.jpg?c=16x9&q=h_438,w_780,c_fill)
Novak Djokovic wins record seventh ATP Finals title after defeating Jannik Sinner to cap stunning year for world No. 1
![Italy's Jannik Sinner celebrates after winning against Denmark's Holger Rune during their first round-robin match at the ATP Finals tennis tournament in Turin on November 16, 2023. (Photo by Tiziana FABI / AFP) (Photo by TIZIANA FABI/AFP via Getty Images)](https://media.cnn.com/api/v1/images/stellar/prod/231117093222-01-jannik-sinner-111623.jpg?c=16x9&q=h_438,w_780,c_fill)
ATP Finals: Jannik Sinner beats Holger Rune to reach the semifinals – and also helps Novak Djokovic qualify