Novak Djokovic spearheads Serbia's bid to reach the Davis Cup semi-finals for the first time since 2013 and reboot a career which has stalled since his history-making French Open victory.

Sitting out last week's Miami Open was rejuvenating for Novak Djokovic although it meant missing the chance to win a record seventh title in the tournament, Serbia's world number two said on Tuesday.

Roger Federer dramatically fought his way into the Miami Open semi-finals with a 6-2, 3-6, 7-6 (8/6) victory over Czech 10th seed Tomas Berdych on Thursday.

Nick Kyrgios overpowered Novak Djokovic for the second time in as many weeks on Wednesday to book an Indian Wells quarter-final against Roger Federer, who swatted aside old foe Rafael Nadal.

Rafael Nadal and Roger Federer booked a mouthwatering fourth-round clash at the ATP Indian Wells Masters on Tuesday, where five-time champion Novak Djokovic also advanced from the "group of death".

Stan Wawrinka breezed into the fourth round of the BNP Paribas Open on Monday and saw another seed removed from his path to the final when lucky loser Yoshihito Nishioka of Japan turned his match against Tomas Berdych upside down.

Novak Djokovic launched his bid for a sixth ATP Indian Wells Masters crown with a two-set triumph over Kyle Edmund as the stars shone in the California desert.

The introduction of best-of-three set matches in the Davis Cup won't be enough to halt the drain of top talent from the 117-year-old world tennis tournament, Rafael Nadal said.

Five-time champion Novak Djokovic will be out to reassert his dominance on the hard courts of Indian Wells this week, seeking to shake off the slump that has dogged him into 2017.

Andy Murray clinched his first title of 2017 and 45th of his career as he dominated Spain's Fernando Verdasco 6-3, 6-2 to win the Dubai Tennis Championships on Saturday.

Two-time champion Rafael Nadal rolled into the final of the ATP Mexico Open on Friday with a 6-1, 6-2 victory over Croatian Marin Cilic that extended the Spaniard's unbeaten record in Acapulco.

Rafael Nadal booked his semi-final spot at the Mexico Open by battling past Yoshihito Nishioka in straight sets, while top seed Novak Djokovic suffered another stunning exit in a shaky start to 2017.

Rafael Nadal bounced back from a break down in both sets to defeat Japan's Yoshihito Nishioka 7-6 (7/2), 6-3 and book a spot in the semi-finals of the ATP Mexico Open.

Former world number one Novak Djokovic was made to work hard before finishing strongly to defeat Martin Klizan in straight sets on his return to competition at the ATP Acapulco event on Tuesday.

World number two Novak Djokovic will make his return from a shoulder injury at next week's ATP tournament in Acapulco, the Serb said on Friday.

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.