Novak Djokovic outbattled Alexander Zverev to qualify for the last four at the ATP Finals on Friday, staying on track to match Roger Federer's record of six titles at the end-of-season event.

Source: Manila Bulletin (https://mb.com.ph/2020/11/21/djokovic-beats-zverev-to-reach-last-four-at-atp-finals/?utm_source=rss&utm_medium=rss&utm_campaign=djokovic-beats-zverev-to-reach-last-four-at-atp-finals)