The world No. 1 produced a classy show to win 6-3 7-6 (7-4) towards his 23-year-old opponent who struggled to achieve the depth wanted to hassle the Serb.
Both males knew the winner of their last round-robin match would face reigning US Open champion, Dominic Thiem, within the semifinals on Saturday and Djokovic is properly conscious of the problem forward.
“Being one of the hardest workers on the tour, one of the most dedicated players, Dominic (Thiem) has found his A-game on all surfaces. His first grand slam came on a hard court earlier this year in New York,” Djokovic mentioned after his match.
“I played him last year here and I lost … it was really a thrilling match. Hopefully, we can have another great match but hopefully with a different outcome.”
Having misplaced his final group match in straight units to Daniil Medvedev, Djokovic began on the entrance foot and cruised to a set lead with relative ease.
However, Zverev started to search out his rhythm because the match progressed and his first serve started dominating proceedings.
But it was a case of too little too late for the 2018 champion as Djokovic expertly held his nerve within the second-set tiebreak — the Serb has solely misplaced one tiebreak this season.
“I felt great, early in the first set he had a couple of breakpoint chances but I managed to serve well in the important moments,” Djokovic added.
“Contrary to the last match against Daniil (Medvedev) I just managed to find the right shots at the right time.
“I’ve large respect for him (Alexander Zverev). He’s an awesome participant, large serve, Obviously, it is not simple to return the 140mph serves.”
An in-form Medvedev will face Rafael Nadal within the different semifinal on Saturday with the season-ending finale set for Sunday.
Nadal has received 20 grand slams throughout his illustrious profession however has but to win the ATP Finals.
The match is being held on the O2 Arena in London for the final time earlier than it strikes to Turin in 2021.
There will not be an opportunity for followers to say farewell to the stage that is hosted the Finals since 2009, with matches being performed behind closed doorways because of the pandemic.