Top seed Rafael Nadal was stunned 3-6 6-3 6-4 by Italian Andreas Seppi in one of series of second-round upsets at the World Indoor Tournament on Thursday. Second seed Nikolay Davydenko of Russia, third seeded Spaniard David Ferrer and fifth seed Tomas Berdych of the Czech Republic also suffered early exits.
In beating Czech Tomas Berdych in straight sets, the Swiss became the first man to reach 11 finals at the All England Club -- making the contention that, after knee surgery and a six-month layoff, he is back to his best at 35 more compelling than ever.
Juan Martin del Potro continued his encouraging buildup to the Australian Open by reaching the semi-finals of the Sydney International on Thursday, but women's contender Petra Kvitova was stunned by a Bulgarian qualifier in the last four.
World number two Novak Djokovic hammered Swiss Stanislas Wawrinka 6-1, 6-4 to reach the Paris Masters semi-finals on Friday.
Venus Williams and Ana Ivanovic thundered into the Australian Open quarter-finals and Roger Federer overcome his second stern test of the tournament to reach the last eight.
Rafael Nadal says he could miss the season-ending ATP World Tour Finals next month because of appendicitis.
Friday's showdown will be the 40th meeting between the duo with Rafael Nadal leading 24-15 and 10-3 in Grand Slams.
Federer welcomed the emergence of new challengers
The Australian Open will lose one of its giant killers when South Korean Chung Hyeon meets American Tennys Sandgren in an unlikely quarter-final showdown at the Rod Laver Arena on Wednesday.
Roger Federer beat Germany's Nicolas Kiefer while Croatian Ivo Karlovic ground down Czech fifth seed Tomas Berdych. The other semi-final will be contested between Jarkko Nieminen and Marcos Baghdatis.
Andy Murray demolished Croatian teenager Borna Coric 6-1, 6-2 in the second round of the Paris Masters on Wednesday to set up a Davis Cup-flavoured clash with Belgium's David Goffin.
Roger Federer battled back from two sets down and double match point to defeat 20th seed Gael Monfils 4-6, 3-6, 6-4, 7-5, 6-2 to reach the semi-finals of the U.S. Open on Thursday.
Leander Paes and Martina Hingis won their mixed doubles opener at the Australian Open tennis tournament on Sunday.
World No 1 Federer got the better of Juan Carlos Ferrero while Nadal proved too good for Tomas Berdych in the quarter-finals.
The second seed and runner-up last year, will meet Czech Tomas Berdych, the number seven seed, in the last eight.
Stanislas Wawrinka survived a thriller against Mikhail Youzhny in the second round of the Rogers Cup on Tuesday, fighting back in both sets to prevail 7-6(3), 7-6(8).
He beat Haas on Saturday to move within one win of equalling Bjorn Borg's record for consecutive victories on grass.
The Czech Republic sealed a place in the final of the World Team Cup with a 3-0 victory over holders Germany on the last day of group action on Friday.
World number ones Roger Federer and Amelie Mauresmo face potentially tricky Czech opponents in the fourth round of the French Open on Sunday
The world number two, whose victory took his winning streak on clay to 75 matches, went through to a semi-final against fourth seed Nikolay Davydenko at the Rome Masters.
Caroline Wozniacki used her aggressive groundstroke game to near perfection on Tuesday and pummeled Italy's Sara Errani 6-0, 6-1 to reach the semi-finals of the US Open.
As Real Madrid star striker Cristiano Ronaldo watched, the World No 4 Nadal went past Italian Bolelli to set up a quarter-final clash against 10th seed Grigor Dimitrov.
Images from Day 5 of the Australian Open in Melbourne on Friday.
Roger Federer described his Wimbledon draw as one of the toughest of his career.
Unseeded German Benjamin Becker stunned third-seed Tomas Berdych to reach his first ATP final at the Thailand Open on Saturday.
Roger Federer suffered a rare defeat when Radek Stepanek and Tomas Berdych won the doubles to give the Czech Republic a 2-1 lead over Switzerland in their Davis Cup World Group playoff tie.
Roger Federer overcame Radek Stepanek in four sets as Switzerland and the Czech Republic battled to 1-1 after the opening singles matches in their Davis Cup World Group playoff on Friday.
Serbia's Novak Djokovic, who beat Switzerland's Roger Federer to win his 16th Grand Slam title on Sunday:
Fans spent more time looking at the murky Parisian sky than watching tennis on Tuesday as French Open organisers were accused of "not caring about the players" after the event was disrupted by more rain following the previous day's washout.
A look at the records of Spain's Rafael Nadal and Serbia's Novak Djokovic before their title clash at the Australian Open on Sunday (prefix number denotes seeding):
Andy Murray has booked a place in the quarter-finals with a 6-4, 2-6, 6-4 win over Tomas Berdych.
On a day of upsets at the Pacific Life Open, Australian Open runner-up Marcos Baghdatis beat 7th seed Gaston Gaudio.
It's an acid test against the Czech Republic in the World Group Play-off tie, but Rohan Bopanna is confident India's Davis Cup team can tame the world number one three-time champions.
The top seeds were given a scare by Florian Mayer and Lars\nBurgsmuller in their opening match at the Mercedes Cup.\n
World No 1 Novak Djokovic ended Kei Nishikori's impressive debut at the ATP World Tour Finals with a 6-1, 3-6, 6-0 semi-final victory at the O2 Arena on Saturday.
Croatian Ivan Ljubicic grabbed the last ticket to the eight-strong Masters Cup on Friday.
Having exchanged a few shots with a young prospect after an intense training session in searing heat at his own tennis complex in central Belgrade, the 30-year old Serb conceded that the last 18 months have been testing.
Canadian tennis player Eugenie Bouchard is undecided about her participation in next month's Rio Olympics over concerns about the Zika virus, the 22-year-old said.
World number five Juan Martin del Potro began his 2014 season with a win, albeit a scrappy one over Frenchman Nicolas Mahut to advance to the quarter-finals of the Sydney International on Wednesday.