Novak Djokovic and Nick Kyrgios hope the Davis Cup heals the wounds of their painful Australian Open exits this weekend when they will be the only two men in the top 15 taking part.

Andy Murray is yet to reach his maximum potential and should only get better but the world number one has not seen the back of Novak Djokovic, according to eight-times grand slam champion Andre Agassi.

With Novak Djokovic's reign broken, Andy Murray boosted his claim to the Melbourne Park throne with a comprehensive 6-4 6-2 6-4 win over American Sam Querrey to reach the fourth round of the Australian Open on Friday.

Uzbek Denis Istomin pulled off an Australian Open upset for the ages when he sent reigning champion Novak Djokovic tumbling out of the year's first grand slam in a near five-hour epic on Thursday.

World number one Andy Murray could face challenges from Kei Nishikori and Stan Wawrinka if he is to reach a sixth Australian Open final following Friday's draw.

World number ones Andy Murray and Angelique Kerber were named the top seeds on Thursday for next week's Australian Open with organisers aligning with the current rankings.

Novak Djokovic of Serbia and former Australian cricketer Shane Warne took part in a game during a charity event in Melbourne.

Rafael Nadal says the emergence of a new generation is just what tennis needs, while welcoming back old foe Roger Federer to help him keep them at bay.

Novak Djokovic said he did not intentionally hit a ball into the crowd during his Qatar Open final against Andy Murray, an incident which threatened to take the gloss off his victory.

World number one Andy Murray claimed his 26th consecutive victory on Wednesday with a battling 7-6 (8/6), 7-5 win over Austria's Gerald Melzer to reach the Qatar Open quarter-finals.

World number one Andy Murray insisted Sunday that Novak Djokovic will remain his biggest threat in 2017, as the pair prepare for a potential first clash of the season in Doha this week.

World number two Novak Djokovic confirms that he has split from his coach Boris Becker after three years working together

Andy Murray could round off his sensational year which has seen him finish as men's tennis world number one and win both Wimbledon and the Olympic title with a historic third BBC Sports Personality of the Year award.

Andy Murray and Novak Djokovic will slug it out for the world number one ranking in a high-stakes final at the ATP Tour Finals after completing their contrasting paths to the dramatic showdown.

Andy Murray remains on course for a dramatic showdown with Novak Djokovic as the world number one staged a superb fightback to defeat Milos Raonic 5-7, 7-6 (7/5), 7-6 (11/9) in the semifinals of the ATP Tour Finals.

Novak Djokovic booked his place in the semifinals of the ATP Tour Finals with an emotional 7-6 (8/6), 7-6 (7/5) victory over Milos Raonic on Tuesday.

Novak Djokovic books his place in the semi-finals of the ATP Tour Finals with an emotional 7-6 (8/6), 7-6 (7/5) victory over Milos Raonic.

Marin Cilic dumps a struggling Novak Djokovic out of the Paris Masters quarter-finals to pave the way for Andy Murray to become the new world number one.

Novak Djokovic's problems come to an explosive head at the Shanghai Masters and the Serb now faces being knocked off world number one if he can't find a quick solution.

Australia's Nick Kyrgios is booed off court in a tanking row at the Shanghai Masters as Rafael Nadal crashes out and Andy Murray motors into round three.