Roger Federer, who will be chasing an 18th Grand Slam title at the Australian Open later this month, breezed through to the Brisbane International men's semi-finals with a 6-1, 6-1 thumping of Australian Marinko Matosevic.
World number one Andy Murray shrugged off a sluggish start to reach his fifth French Open semi-final with a 2-6, 6-1, 7-6(0), 6-1 defeat of Japan's Kei Nishikori.
Marin Cilic completed a sensational set of semi-final shockers by upsetting 17-times Grand Slam winner Roger Federer 6-3, 6-4, 6-4 on Saturday to reach the final of the US Open. Croatian 14th seed Cilic's opponent in Monday's final will be 10th seed Kei Nishikori of Japan, who sent world number one Novak Djokovic out of Flushing Meadows with a stunning 6-4, 1-6, 7-6(4), 6-3 victory.
Rafael Nadal's Australian Open quarter-final curse struck again on Tuesday, an injury forcing the top seed to retire in the fifth set against Croatia's Marin Cilic.
Unseeded Novak Djokovic was given some trouble by Jeremy Chardy in the opening set but prevailed 7-6(5), 6-4 to take his record over the Frenchman to 11-0 and 26-0 in sets.
Last year, Andy Murray prevailed on four sets but the Briton has been struggling to find his A-game this season. Stan Wawrinka also believes he is playing better than a year ago.
'The governing bodies, especially Grand Slams, need to allocate enough funds to support lower-ranked players, low-level tournaments, futures, challengers and I believe there is enough funds for those too.'
Marin Cilic can now secure Croatia's place in Friday's semi-final against Australia with a victory over Pablo Carreno Busta in the day's second singles match.
Nadal braced for tough Cilic test in Melbourne showdown
Borna Coric ended Roger Federer's 20-match winning streak on grass, beating him 7-6(6), 3-6, 6-2 in the Halle Open final on Sunday while also bringing to a halt the Swiss maestro's reign as World No 1.
Croatian Cilic, who lost last year's final to Roger Federer, underlined his credentials for another Grand Slam title bid to add to his U.S. Open triumph in 2014.
IMAGES from Day 8 of the US Open on Monday
Russia took an unassailable 2-0 lead over Croatia in the Davis Cup final in Madrid on Sunday to secure their third title and first in 15 years, as Daniil Medvedev outlasted Croatian Marin Cilic 7-6(7), 6-2.
American qualifier Steve Johnson is through to his first ATP Tour semi-final after an emphatic victory at the Delray Beach Open on Friday.
Borna Coric and Marin Cilic put Croatia in complete control of the Davis Cup final on Friday, leaving hosts and defending champions France facing what looks like mission impossible.
IMAGES from the matches played at the Miami Masters on Sunday
Rediff.com brings you players who have tested positive for use of banned substances over the years.
Kei Nishikori exacted a measure of revenge against Marin Cilic when the Japanese world number five overcame the Croatian in the semi-finals of the Citi Open.
Images from matches played on Day 7 at the Australian Open in Melbourne Park on Sunday
Roger Federer beats Tomas Berdych 7-6, 7-6, 6-4 to reach the final!
Inspired Cilic vs 'tired' underdog Muller
Top seed Nikolay Davydenko tumbled out of the St Petersburg Open in the second round, going down to Croatian qualifier Marin Cilic.
World No 5 Roger Federer's possible records aside, it is the first time since 2003 that the semis have featured four men outside the top four in the world rankings.
IMAGES from matches played at the Miami Masters in Key Biscayne, Florida
Top seed Andy Murray quickly found his feet on grass at Queen's Club on Wednesday, posting a 6-1, 6-4 victory over Italy's Andreas Seppi to reach the third round of the Wimbledon warm-up tournament.
Big-serving Canadian Milos Raonic fired 19 aces to topple Sam Querrey 6-4, 6-4 and set up a second-round clash with either Dan Evans or Russian 10th seed Andrey Rublev.
Top seed Rafa Nadal moved into the semi-finals of the Shanghai Masters on Friday when Ivan Ljubicic became the eighth player to retire from the $3.24 million tournament. The Spanish world number two had just evened the match up at 3-6, 6-3 when 30-year-old Ljubicic, who had already had treatment on his left thigh, decided he could no longer continue.
Ninth seed Gilles Simon booked his place in the third round of the Cincinnati Masters on Tuesday after a 7-6, 6-7, 6-1 win over Russian Igor Andreev.
When Roger Federer stood on the dusty baseline with the scoreboard showing he was trailing Marin Cilic 6-7 4-6 3-3 0-40, it looked like the man with the dodgy back was about to disappear into a giant Wimbledon sinkhole. When the self-styled "old guy" of tennis stood match point down at 4-5 30-40 in the fourth set, it looked like he would be sucked deeper into the mire. When the 34-year-old stood another match point down two games later, the hole was getting wider.
Croatian Ivo Karlovic will defend his Nottingham Open title against Spaniard Fernando Verdasco after both men won their semi-finals in straight sets on Friday. Karlovic beat French Open semi-finalist Gael Monfils 7-6, 7-6, winning both tiebreaks 7-4, while the third-seeded Verdasco got to his first grasscourt final by defeating Marin Cilic of Croatia 6-3, 6-1 in just over an hour.
They will take on Thai twins Sanchai and Sonchat Ratiwatana in the doubles final at the Chennai Open.
The Russian received a warning from the umpire for not trying hard enough during his loss to Croatian qualifier Marin Cilic at the St Petersburg Open.
Beaten twice by Nadal in the space of a month, in the Barcelona and Madrid Open finals, Thiem took his revenge by handing the 30-year-old Spaniard a first clay court defeat of the season in Rome.
Andy Murray overcame a sluggish start to reach the third round of the Monte Carlo Masters with a 6-3, 6-2 victory over Romania's Victor Hanescu on a bad Tuesday for French players. The fourth-seeded Briton was 2-1 down in the opening set after dropping serve in the third game but he woke up to take four games in a row. He clinched victory when Hanescu netted a forehand on the fourth match point.
Andy Murray and Rafael Nadal were winners but six seeds were beaten in a day of upsets in the second round at the Rogers Cup in Montreal on Thursday.
The tournament, with eight players in both the men's and women's draw, will resemble regular tennis as much as possible.
Cilic's booming serve lacked its usual accuracy and Germany's Kohlschreiber was able to control long rallies, pushing the towering Croatian around the court with pinpoint groundstrokes en route to a quick victory.
Federer, who skipped the entire clay court season after winning the Australian Open and claiming titles at Indian Wells and Miami this year, will next play defending champion Florian Mayer who beat Frenchman Lucas Pouille in three sets.
The 21-year-old Coric came from two sets to one down to defeat the 20-year-old debutant Tiafoe 6-7(0), 6-1, 6-7(11), 6-1, 6-3 and finally subdue a remarkable fightback from the Americans, who had earlier levelled the tie 2-2 from two down.
Former world number one Maria Sharapova eased past defending champion Peng Shuai 6-3, 6-1 at the Tianjin Open on Saturday to reach her first WTA final in almost two and a half years.