By Trevor Stynes
TURIN, Italy (Reuters) -Italy's Jannik Sinner began his bid to retain the ATP Finals title with a resounding 7-5 6-1 win over injury-hit Canadian Felix Auger-Aliassime in their round-robin clash at a packed Inalpi Arena on Monday.
The pair were meeting for the fourth time since August, and eight days after their last clash, with the outcome the same as Sinner eased into the match before overpowering Auger-Aliassime, who needed medical attention during the second set.
Sinner extended
his incredible indoor hardcourt winning streak to 27 matches, his last defeat on the surface coming against Novak Djokovic in the 2023 ATP Finals decider.
The Italian is also in a battle with Carlos Alcaraz to end the year as world number one. Sinner must retain his title in Turin to have any chance, while the Spaniard can secure the prize by winning two more matches after victory in his opener.
Sinner began with intent by winning the first game to love and went on to give up just three points on serve in the opening set while forcing five break points, displaying an impressive mixture of sharp backhand and forehand shots down the line.
Auger-Aliassime hung in, smashing eight aces to Sinner's one during the first set, often at just the right time as he saved four break points, but the Italian came through when it mattered, breaking to win the set.
Sinner stormed into a 3-0 lead in the second and his opponent took a medical timeout for a problem in his left calf.
Auger-Aliassime saved two break points to avoid losing touch completely before Sinner sank the Canadian with another break to leave the Italian serving for the match, which he did in style, hammering home an ace to clinch the win.
On Sunday, German Alexander Zverev beat American Ben Shelton 6-3 7-6(6) in the other Bjorn Borg group match. All four players in the group will meet each other with the top two qualifying for the semi-finals.
Tuesday's action features the Jimmy Connors Group, where Alcaraz takes on last year's finalist Taylor Fritz, with both players on one win each, and Italian Lorenzo Musetti faces Australian Alex de Minaur.
(Reporting by Trevor Stynes; Editing by Ken Ferris)
