Novak Djokovic was stunned 7-6(4), 6-2 by Matteo Berrettini in the Qatar Open first round on Tuesday as the Italian enjoyed his first win over the former world number one.
Andy Murray put the home fans through the wringer as he came back from two sets down to book a place in the Wimbledon semi-finals with an edgy 4-6, 3-6, 6-1, 6-4, 7-5 win over unseeded Spaniard Fernando Verdasco on Wednesday.
Rafa Nadal suffered his first claycourt defeat in 23 matches on Thursday and threatened to boycott next year's Madrid Open if officials did not ditch the blue clay that players have labelled 'too slippery' and only fit for 'smurfs (to) play on'.
Tomas Berdych and Jo-Wilfried Tsonga were just one win from securing places in the season-ending ATP World Tour finals after they safely moved into the third round of the Paris Masters on Tuesday.
Spaniard Fernando Verdasco overcame a sluggish start to beat Marin Cilic 3-6, 6-2, 6-3 at the Paris Masters on Monday and set up a second round meeting with Tomas Berdych.
World number two Rafa Nadal scraped into the quarter-finals of the Cincinnati Open after beating fellow Spaniard Fernando Verdasco 7-6, 6-7, 7-6 in a fierce battle on Thursday but his rivals all had comfortable paths into the last eight.
Favourite Rafael Nadal must negotiate a tricky path in his bid for a fifth French Open title following Friday's draw for the claycourt grand slam starting on Sunday.
Defending champion Roger Federer made heavy work of reaching his 27th consecutive Grand Slam quarter-final with a 6-3, 3-6, 6-3, 6-2 win over Tommy Robredo at the Australian Open on Sunday.
Rafael Nadal took the next step in his charge after the one Grand Slam crown missing from his collection by demolishing fellow-Spaniard Fernando Verdasco 7-5, 6-3, 6-4 on Thursday to reach the semi-finals of the US Open. His next opponent will be 12th-seeded Russian Mikhail Youzhny, who advanced with a five-set victory over Stanislas Wawrinka of Switzerland.
Nicolas Almagro pummelled fellow Spaniard Fernando Verdasco into submission at the French Open on Monday to set up a quarter-final showdown with Rafael Nadal.
World number three Rafael Nadal won the Monte Carlo Masters for a record sixth consecutive time with a 6-0, 6-1 drubbing of fellow Spaniard Fernando Verdasco in the final on Sunday.
Rafael Nadal left no doubt that he would be the overwhelming favourite at next month's French Open after crushing Spanish compatriot David Ferrer 6-2, 6-3 in the Monte Carlo Masters semi-finals on Saturday. World number 12 and fellow Spaniard Fernando Verdasco will be the last man standing in Nadal's way to a record sixth consecutive title in the glitzy principality after he demolished top seed Novak Djokovic 6-2, 6-2.
Three-times champion Rafael Nadal pummelled fellow Spaniard Fernando Verdasco into a 6-1, 6-0, 6-2 submission to reach the quarter-finals of the French Open on Sunday.
Top seed Rafael Nadal overcame fellow Spaniard Fernando Verdasco 6-3, 6-3 at the Rome Masters on Friday while Roger Federer beat German qualifier Mischa Zverev 7-6, 6-2 to book a semi-final with holder Novak Djokovic. Serb Djokovic eased through with a 6-3, 6-4 triumph over Argentine fifth seed Juan Martin Del Potro. Nadal next faces Chilean 12th seed Fernando Gonzalez, a 2-6, 6-3, 6-4 winner over Argentine qualifier Juan Monaco.
World number two Roger Federer beat Fernando Verdasco 6-3, 7-6 (7/5) to book a semi-final meeting with Andy Murray at the Indian Wells hardcourt tennis tournament. Murray spoiled Ivan Ljubicic's birthday celebrations, with a 7-5, 7-6 (8/6) victory over the Croatian.
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.
Holder Roger Federer scored a comfortable 6-3, 6-3 win over unseeded Spaniard Fernando Verdasco in the quarter-finals of the Hamburg Masters on Friday.
The French Open champion beat Fernando Verdasco 2-6, 7-6, 7-6 in three hours.
Top seed Rafael Nadal swept aside Swede Robin Soderling 6-1, 6-0 at the Rome Masters on Thursday to book a quarter-final with fellow Spaniard Fernando Verdasco while Novak Djokovic and Roger Federer also had easy wins. Holder Djokovic breezed past 13th seed Tommy Robredo 6-1, 6-1 to set up a last-eight clash with Argentine Juan Martin Del Potro and Federer beat the number 16 seed Radek Stepanek 6-4, 6-1 to avenge last year's defeat here by the Czech.
They reached the fourth round of the Pacific Life Open on Monday.
World number one Rafael Nadal set up a semi-final showdown with fellow-Spaniard Fernando Verdasco after subduing France's Gilles Simon 6-2 7-5 7-5 at the Australian Open on Wednesday. Verdasco advanced to his first Grand Slam semi-final after beating Jo-Wilfried Tsonga of France 7-6, 3-6, 6-3, 6-2 earlier in the day.
Andy Murray beat Fernando Verdasco 6-2, 6-3 in the final of the St Petersburg Open to win his second title of the year.
The 35-year-old's first match back in action last week at the Stuttgart Open was a flop when he suffered a shock loss to German veteran Tommy Haas, ranked 302 at the time, despite leading for a set and a half.
World No 1 Novak Djokovic and the man who can dislodge him from the top spot by next week, Rafael Nadal, kicked off their China Open campaign with straight set victories on Tuesday.
British Prime Minister David Cameron ignored growing speculation about the 'Curse of Cameron' on Wednesday by tweeting a message of support to Briton Andy Murray ahead of his quarter-final match at Wimbledon.
Bulgaria's Grigor Dimitrov upset top seed and defending champion Milos Raonic of Canada at the Brisbane International on Saturday to set up a title clash against Japan's Kei Nishikori.
Novak Djokovic, Rafael Nadal and Johanna Konta progressed to the Italian Open semi-finals on Friday, but Roger Federer and Naomi Osaka were forced to withdraw with injury problems. World number one Osaka pulled out of her quarter-final meeting with Kiki Bertens due to a thumb injury before 37-year-old Federer announced his withdrawal because of a problem to his right leg.
Defending champion Novak Djokovic survived a scare.
Roger Federer and Rafael Nadal powered to third-round wins at the BNP Paribas Open at Indian Wells on Tuesday to set up a mouth-watering rematch of their recent Australian Open final.
The 32-year-old, who has not played since retiring injured in the US Open semi-finals, cited an abdominal injury.
Novak Djokovic praised American Tim Smyczek's act of sportsmanship in his second round marathon against Rafa Nadal as "greater than sport itself" at the Australian Open on Thursday.
Novak Djokovic made an immense statement in his bid to rule men's tennis again when he defeated Andy Murray, the man who deposed him as world number one, 6-3, 5-7, 6-4 in an epic Qatar Open final in Doha on Saturday.
A struggling and edgy Rafael Nadal crashed out of the Miami Open.
Novak Djokovic began his bid to hold on to his number one ranking with an easy win over Gilles Muller in the Paris Masters second round while Andy Murray struggled through and Stan Wawrinka faltered on Wednesday.
Fourth seed Andy Murray erased memories of early losses at Indian Wells by storming into the BNP Paribas Open third round with a ruthless 6-1, 6-3 victory over Canadian Vasek Pospisil on Saturday.
Serena Williams weathered an early challenge from Russian Vera Zvonareva before the former World No 2 crumbled to lose 7-5, 6-0 in the second round of the Australian Open on Thursday.
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.
World number two Rafael Nadal dropped a set at the Barcelona Open for the first time in four years before advancing to the last 16, beating Argentine Leonardo Mayer 6-7(7), 6-4, 6-2 on Wednesday.
Novak Djokovic barely got out of first gear but had more than enough in the tank to beat Briton Kyle Edmund 6-3, 6-3 in the second round of the Miami Open on Friday.