Alcaraz missed last year’s ATP Finals because of an abdominal injury.

Source: https://businessmirror.com.ph/2023/11/16/rublev-bloodies-himself-with-racket-during-loss-to-alcaraz-at-atp-finals/?utm_source=rss&utm_medium=rss&utm_campaign=rublev-bloodies-himself-with-racket-during-loss-to-alcaraz-at-atp-finals

Alcaraz, who had become the youngest man ever to reach the top spot after beating Casper Ruud in the US Open final in New York in September, had only just recovered from a torn abdominal muscle that ruled him out of the season-ending ATP Finals.

Source: https://www.theguardian.com/sport/2023/jan/08/unstoppable-novak-djokovic-suffers-injury-scare-in-adelaide-win-as-streak-hits-33-games

Evans had a strong record against De Minaur but has lost all five meetings with Wawrinka, while Swiss number two Dominic Stricker beat fellow 21-year-old Draper at last year’s Next Gen ATP Finals in their only previous match.

Source: https://www.heraldscotland.com/sport/23789483.leon-smith-warns-switzerland-will-high-motivation-davis-cup/?ref=rss

It was also only the second time in the last 15 years that a player has made the finals of all four grand slam tournaments and the ATP Finals.

Source: https://www.perthnow.com.au/sport/tennis/imperious-djokovic-wins-record-seventh-atp-finals-title-c-12611671

Ruud said he was looking ahead to qualification for the ATP Finals in Turin, which takes place in November and features the world's best eight qualified players.

Source: https://www.hurriyetdailynews.com/medvedev-out-of-shanghai-masters-186867

Still, this wouldn’t have been the ATP Finals debut the 20-year-old Spaniard was hoping for at the season-ending event for the year’s top eight players.

Source: https://www.newdelhitimes.com/alcaraz-loses-to-zverev-in-his-atp-finals-debut-medvedev-soundly-beats-good-friend-rublev/

The final day of the ATP Finals saw break another record, standing alone as the only man to win seven titles at the season-ending championships.

Source: https://www.express.co.uk/sport/tennis/1836618/ATP-Finals-LIVE-news-Novak-Djokovic-Jannik-Sinner