Lukas Rosol

World number ones Novak Djokovic and Serena Williams head the fields at the Miami Masters hardcourt event that begins on Tuesday, although several big names will be missing.

World number ones Novak Djokovic and Serena Williams head the fields at the Miami Masters hardcourt event that begins on Tuesday, although several big names will be missing.

Rafael Nadal looked sharp as he booked a finals berth in an ATP South American clay court tournament, his first event back from a seven-month injury absence.

Rafael Nadal looked sharp as he booked a finals berth in his first event back from a seven-month injury absence.

Rafael Nadal launched his return from a seven-month injury break by teaming with Argentina's Juan Monaco for an emphatic doubles victory in an ATP clay court event in Chile.

Short-handed five-time champions Spain crashed out of the Davis Cup Sunday when Canada completed a famous World Group triumph while 32-time winners United States edged Brazil in a dogfight.

Tomas Berdych defeated Stanislas Wawrinka in a battle of Davis Cup marathon men on Sunday as defending champions Czech Republic reached the quarter-finals.

Tomas Berdych and Lukas Rosol won a Davis Cup doubles epic to give defending champions Czech Republic the edge over Switzerland as 2012 finalists Spain stayed alive in Canada.

Czech Republic's Tomas Berdych and Lukas Rosol beat Switzerland's Stanislas Wawrinka and Marco Chiudinelli Saturday in the longest ever Davis Cup match, an exhausting clash which took 7 hours and one minute.

The Czech Republic's Tomas Berdych and Lukas Rosol on Saturday beat Stanislas Wawrinka and Marco Chiudinelli of Switzerland in the longest Davis Cup rubber of all time that took 7 hours and two minutes.

Serbia and France cruised into the Davis Cup quarter-finals on Saturday as five-time champions Spain faced a humiliating first round exit.

Spain were facing Davis Cup humiliation on Saturday after the five-time champions slumped 2-0 down to Canada, a country who have never previously won a World Group clash.

World number one Novak Djokovic steered Serbia to the brink of the Davis Cup quarter-finals Friday, easing past Belgium's Olivier Rochus on a makeshift court he described as the worst he's ever encountered.

World number one Novak Djokovic steered Serbia to the brink of the Davis Cup quarter-finals Friday, easing past Belgian veteran Olivier Rochus on a makeshift court he described as the worst he's ever encountered.

Serbia's Viktor Troicki defeated Belgium's David Goffin in a Davis Cup five-set thriller on Friday, mastering a clay court condemned as dangerous by world number one compatriot Novak Djokovic.

Rafael Nadal is looking forward to returning to action in the first clay-court tournament of the year in Chile next week, but the Spaniard admits that his injured knee is still a source of some pain.

Serena Williams survived a busted lip and Roger Federer and Andy Murray raced into round three on a day of ice-packs and sunscreen as temperatures soared at the Australian Open on Thursday.

Roger Federer set up an intriguing clash with cocky young Australian Bernard Tomic as title rival Andy Murray booked a straightforward passage into the Australian Open third round on Thursday.

Andy Murray mercifully kept it short as Jo-Wilfried Tsonga and Bernard Tomic were made to sweat it out en-route to the third round of the Australian Open.

Rafael Nadal heads into 2013 with his career in freefall and needing to summon up the no-surrender spirit that steered him to 11 Grand Slam titles, the world number one spot and $50 million in prize money.