Alexander Zverev has beaten Rafael Nadal in their opening round-robin match of the ATP Finals.
The loss dents Nadal's chances of ending the year as the number one ranked tennis player in the world.
He entered the season-finale in London with an abdominal injury.
Tuesday's match sees Roger Federer, who also lost his opening encounter, take on Italy's Matteo Berrettini.
Play gets underway at 6:00 pm UAE time.
HotelPlanner tour: Emirati talent on show at Abu Dhabi Challenge
Emirati golfers Ahmad Skaik and Ahmed Al Musharekh will represent the region when the Abu Dhabi Challenge returns to Al Ain Equestrian, Shooting & Golf Club in the Al Ain Region next week.
Dubai T100 Triathlon attracts over 2,000 athletes from 57 nationalities
More than 2,000 athletes from 57 nationalities have registered for the third edition of the Dubai T100 Triathlon Weekend, which will take place at Al Mamzar from November 13-15.
Philippines gymnast Yulo adds Asian Games gold to Olympic success
Philippines gymnast Carlos Yulo said winning the Asian Games floor exercise gold on Thursday felt like another Olympic triumph, elevated by redemption after he buried the disappointment of Jakarta 2018.
Kane considers NFL kicking career after football
England captain Harry Kane said on Wednesday he is considering a future as an NFL kicker later in his career, with a possible spell in Major League Soccer potentially helping him make the transition.
Iraq and Oman share points in Gulf Cup
Iraq and Oman opened their Arabian Gulf Cup campaigns with a 1-1 draw at Prince Abdullah Al-Faisal Stadium, Jeddah.
