Barcelona's preparations for next season were thrown off course on Friday when the Spanish champions unexpectedly announced coach Tito Vilanova was stepping down due to ill health.
Defending champion Novak Djokovic was handed a tough opening round at Wimbledon when Friday's draw paired him with Germany's Philipp Kohlschreiber.
Osaka survives test to reach last 16
The former scraped past David Ferrer while Nadal was a convincing winner over Fernando Gonzalez in the quarter-finals of the Hamburg Masters.
Nicolas Almagro upset defending champion Tommy Robredo 6-7 6-2 6-4 in a bruising all-Spanish clash to reach the third round of the Hamburg Masters on Tuesday.
Rafael Nadal was tested for the first time this week as he beat Italian Potito Starace 6-2, 7-5 on Friday to reach the semi-finals of the Barcelona Open and extend his record claycourt winning streak to 70 matches.
Roger Federer and Rafael Nadal were one match away from their first clash of the season after clinical wins in the Monte Carlo quarter-finals.
He won 6-4, 6-4 in a high-powered quarter-final at the Valencia claycourt Open on Friday.
Andy Murray overcame an ankle injury and staved off two match points on his way to a 3-6, 6-3, 7-6 victory over Haas in the Pacific Life Open.
In the semi-finals, the 13th seeded Murray will meet 12th seed Novak Djokovic of Serbia, who overpowered 14th seed David Ferrer of Spain 6-3 6-4.
Anyone banking on the ravages of time taking their toll on Roger Federer had better think again -- the Swiss is only getting better, according to his latest victim.
Defending champion Paradon Srichaphan stormed into the last eight as seeds David Ferrer and Anthony Dupuis were upset in the Tata Open.
World number four Stan Wawrinka began the new season with a straight-sets victory over Viktor Troicki in his Brisbane International debut on Wednesday. Second seed Wawrinka edged out Troicki 7-6(5) 6-4 to maintain his perfect record against the Serbian whose seventh attempt at beating the Swiss failed at the Pat Rafter Arena. "I'm quite happy with my level at the start the year," Wawrinka said.
The 22-year-old Australian breezed past the 15-times Grand Slam champion in about one hour and 20 minutes.
While Spanish sensation Rafael Nadal silenced a partisan crowd with a win over French number one Sebastien Grosjean
Roger Federer's hopes of knocking Novak Djokovic off the top of the ATP world rankings before the end of the year took a hit when he lost to big-serving Canadian Milos Raonic in the Paris Masters quarter-finals on Friday.
Coria will play Rafael Nadal in the final of the Rome Masters.
Third seed Stan Wawrinka was knocked out in the third round of the Paris Masters when he lost 6-7(2), 7-5, 7-6(3) against South African Kevin Anderson on Thursday, suffering his fourth defeat in five matches.
Rafael Nadal saw off the challenge of the Czech Republic's Radek Stepanek 5-7, 6-1, 6-1 in the quarterfinal of the Rome Masters.
The Belgian world number 36 was banned for "aggravated behaviour" after being kicked out of the Nasdaq-100 tournament.
Rafael Nadal's announcement on Friday that he will miss the ATP World Tour Finals because of appendicitis ended a difficult year for the Spaniard during which he has endured injury, illness and worrying defeats.
Six weeks after completing one of the greatest seasons in tennis history, Novak Djokovic begins his 2016 campaign and warm-up for his Australian Open defense in Qatar.
Safin was followed through the exit door at the Nasdaq Open by fifth-seeded Spaniard Carlos Moya.
"But if you need a reminder of who he is, just look at his career stats and grand slams that he won."
Novak Djokovic beat Tomas Berdych 7-6 (3), 7-6 (8) in the quarter-finals of the Paris Masters on Friday to claim his 20th consecutive win and stay on course for an unprecedented third title in a row at the event.
Andy Murray put down an early warning for the Davis Cup final when he dismantled David Goffin 6-1, 6-0 in awe-inspiring fashion to reach the quarter-finals of the Paris Masters on Thursday.
The French Open champion registered a 6-4, 6-3 victory over Jiri Novak in the quarter-final of the Stuttgart Cup.
Nadal has turned back the clock to sweep through the European claycourt season with titles in Monte Carlo, Barcelona and Madrid and is a daunting obstacle for anyone with genuine title ambitions.
An already depleted India suffered another blow on Saturday with Rohan Bopanna pulling out of the Davis Cup World Group Play-off tie against Spain, claiming that he suffered a knee injury during the US Open.
Spain's Fernando Verdasco came back from the brink of defeat to beat the top seed 6-7, 7-6, 6-4 in the last 16 of the Rome Masters.
The 43-year-old, whose longevity is a talked about tale in world tennis, said the line-up that Spain has presented for the Davis Cup tie against India is a must watch for every single budding athlete in the country.
As a result of yesterday's defeat, Lleyton Hewitt of\nAustralia will replace Agassi at the top when the rankings.
Top seeded Argentine Gaston Gaudio reached the final of the $380,000 Bell South Open on Saturday with a three-set win over Spain's David Ferrer.
The world number one crushed Spaniard David Ferrer in the first round of the Qatar Open to set up a clash with Briton Greg Rusedski.
A new brand of tennis will make its debut in the country as international stars along with India's top players will come together to compete in the inaugural Champions Tennis League, where matches will be a one-set affair in an exciting format.
Roger Federer does not figure among the top four in the men's tennis world rankings for the first time in ten years. The Swiss champion and holder of a record 17 Grand Slam titles slipped to No 5 in the latest rankings following a shock second round defeat by little-known Ukrainian Sergiy Stakhovsky at Wimbledon.
Britain's Wimbledon hope Andy Murray has to live with the very different pressure that comes with being labelled a shoe-in to reach the final after two of his main rivals suffered shock exits in early rounds.