Novak Djokovic announced his withdrawal from the ATP Finals shortly after celebrating his 101st career title victory in ecstatic fashion.The Serbian legend came from behind to beat Lorenzo Musetti 4-6 6-3 7-5 in the inaugural Hellenic Championship final on Saturday.Djokovic couldn’t contain his delight as he ripped his shirtGetty Djokovic collapsed on the court once victory was confirmed and then ripped his shirt as he screamed towards the crowd in celebration.At age 38, the record 24-time Grand Slam champion lifted his 101st men’s singles title.He remains third in the all-time list, which is led by Jimmy Connors on 109 titles and then Roger Federer with 103.Djokovic also became the oldest player to ever win an ATP title aged 38 years, five months and 17 days.However, the win over Musetti appeared to take a toll on his fitness as revealed that an injury will sideline him for the ATP Finals.The 2025 season-ending championship takes place in Turin, Italy, and begins on Sunday.“I was really looking forward to competing in Turin and giving my best but after today’s final in Athens, I’m sad to share that I need to withdraw due to an ongoing injury,” Djokovic said on Instagram.“I’m truly sorry to the fans who were hoping to see me play – your support means so much.“I wish all the players an amazing tournament, and I can’t wait to be back on the court with you all soon!”Despite the defeat, Musetti will replace Djokovic at the ATP Finals.Djokovic has won an incredible 101 singles titles in his iconic careerGettyJannik Sinner, who won last year’s tournament, will be joined by rival Carlos Alcaraz in Turin.Alexander Zverev, Ben Shelton, Taylor Fritz, Alex de Minaur and Felix Auger-Aliassime are also set to play.Another strong year for DjokovicAmid the news of his injury, Djokovic has most likely played his final match of 2025.The Hellenic Championship is his second ATP 250 title win of the year after the Geneva Open in May, his 100th singles trophy.He was also a finalist at the Miami Open, although he lost in straight sets to Jakub Mensik.Djokovic has gone a second straight year without winning a Grand Slam but reached all four semi-finals in 2025.Despite his win, Djokovic will not take part in the ATP Finals this monthGettyView Tweet: https://t.co/ye1JvDmNJ7Rest and recovery will be his main objectives before he looks ahead to the new season.Djokovic will be eyeing a record-extending 11th Australian Open title in January, which would take him to an incredible 25 Grand Slam wins.