Novak Djokovic has made the ideal start in his quest to win a record-equalling sixth ATP Finals title.
The world number two easily beat Italy's Matteo Berrettini in straight sets at the O2 Arena in London.
However, things weren't as rosy for Roger Federer, who was beaten by Dominic Thiem in his tournament opener.
It's the second year in a row that the seven-time Dubai Duty Free Tennis Championships winner has lost his opening match at the ATP Finals.
Abu Dhabi UFC Fight Night ends with Ankalaev fifth-round victory
Magomed Ankalaev secured a fifth-round stoppage victory over Bogdan Guskov at UFC Fight Night in Abu Dhabi on Saturday after overcoming a slow start to strengthen his claim for a shot at the UFC light heavyweight title.
Joshua bounces back to secure knockout win over Prenga
Former world heavyweight champion Anthony Joshua survived a first-round onslaught before knocking out Albanian Kristian Prenga to clear the path for his long-awaited showdown with fellow Briton Tyson Fury.
UFC 333 confirmed for Abu Dhabi in October
The UFC will return to Abu Dhabi on October 24, with UFC 333 set to take place at Etihad Arena on Yas Island.
Norris takes Hungary pole as Mercedes domination ends
Formula One world champion Lando Norris put McLaren on pole position for the Hungarian Grand Prix on Saturday to end Mercedes' qualifying domination.
India win second T20 clash in Zimbabwe to take series
India inflicted another heavy defeat on Zimbabwe when they won the second Twenty20 international at Harare Sports Club by 90 runs on Saturday to secure their three-match series.
President His Highness Sheikh Mohamed bin Zayed Al Nahyan has thanked the team behind the UAE's 54th Eid Al Etihad celebrations, praising their efforts in delivering the nationwide event.
UAE President His Highness Sheikh Mohamed bin Zayed Al Nahyan and Uzbekistan's leader Shavkat Mirziyoyev discussed ways to boost bilateral relations during a phone call.
Fujairah’s Wadi Wuraya has been added to the UNESCO's World Heritage list, making it the first Emirati site to be inscribed for its outstanding natural value, and the third Emirati site on the list.
