Germany's Alexander Zverev celebrates after winning the singles tennis match of the ATP World Tour Finals against Russia's Andrey Rublev, at the Inalpi Arena, in Turin, Italy, Monday, Nov. 11, 2024. (AP Photo/Antonio Calanni)
Spain's Carlos Alcaraz waves his fans at the end of the singles tennis match of the ATP World Tour Finals against Norway's Casper Ruud, at the Inalpi Arena, in Turin, Italy, Monday, Nov. 11, 2024. (AP Photo/Antonio Calanni)
Russia's Andrey Rublev makes a return to Germany's Alexander Zverev at the ATP Finals tennis tournament in Turin, Italy, Monday, Nov. 11, 2024. (Marco Alpozzi/LaPresse via AP)
Italy's Jannik Sinner holds the trophy as ATP world best player at the ATP World Tour Finals at the Inalpi Arena, in Turin, Italy, Monday, Nov. 11, 2024. Sinner was presented with the trophy for finishing the year ranked No. 1. (AP Photo/Antonio Calanni)
Spain's Carlos Alcaraz returns the ball to Denmark's Casper Ruud during their singles tennis match of the ATP World Tour Finals at the Inalpi Arena, in Turin, Italy, Monday, Nov. 11, 2024. (AP Photo/Antonio Calanni)
Italy's Jannik Sinner holds the trophy as ATP world best player at the ATP World Tour Finals at the Inalpi Arena, in Turin, Italy, Monday, Nov. 11, 2024. Sinner was presented with the trophy for finishing the year ranked No. 1. (AP Photo/Antonio Calanni)
Russia's Andrey Rublev serves to Germany's Alexander Zverev at the ATP Finals tennis tournament in Turin, Italy, Monday, Nov. 11, 2024. (Marco Alpozzi/LaPresse via AP)
CORRECT NATIONALITY OF PLAYER RUUD Spain's Carlos Alcaraz reacts during the singles tennis match of the ATP World Tour Finals agains Norway's Casper Ruud, at the Inalpi Arena, in Turin, Italy, Monday, Nov. 11, 2024. (AP Photo/Antonio Calanni)
Denmark's Casper Ruud returns the ball to Spain's Carlos Alcaraz during their singles tennis match of the ATP World Tour Finals at the Inalpi Arena, in Turin, Italy, Monday, Nov. 11, 2024. (AP Photo/Antonio Calanni)
Spain's Carlos Alcaraz returns the ball to Norway's Casper Ruud during their singles tennis match of the ATP World Tour Finals at the Inalpi Arena, in Turin, Italy, Monday, Nov. 11, 2024. (AP Photo/Antonio Calanni)
CORRECT NATIONALITY OF PLAYER Norway's Casper Ruud celebrates after winning the singles tennis match of the ATP World Tour Finals against Spain's Carlos Alcaraz, at the Inalpi Arena, in Turin, Italy, Monday, Nov. 11, 2024. (AP Photo/Antonio Calanni)