Tennis: Roger Federer splits with coach Paul Annacone in wake of Shanghai Masters exit

Roger Federer has split with tennis coach Paul Annacone after more than three years working together.

Federer made the announcement just two days after crashing out in the third round of the Shanghai Masters to Gael Monfils.

The former world number, now seven in the rankings, revealed on his website that he was calling time on his relationship with Annacone, who also coached Pete Sampras during his glory years.

Roger Federer Says ‘There’s No Reason’ He Won’t Be Back in Contention in 2014, Is Using Rest of This Year to Prepare

Roger Federer has been told he’s fading by critics and his slowing body in recent years. 

This year, his results on the ATP Tour have joined the crowd that says Federer’s best days are behind him. 

US Open: Serena Williams thrilled with 17th grand slam success

Serena Williams admitted she was "honoured" to draw level with Roger Federer with 17 grand slam titles.

The 31-year-old registered a 7-5 6-7 (8-6) 6-1 victory over Victoria Azarenka in the final of the US Open on Sunday.

Williams, who also won the French Open title this year, is now just one grand slam success behind Chris Evert and Martina Navratilova.

"It's an honour to be even with Roger," said Williams.

US Open: Roger Federer suffers shock straight-sets loss Tommy Robredo

Roger Federer failed to halt his recent slump as he suffered a straight-sets defeat against Tommy Robredo in the fourth round of the US Open.

The 17-time Grand Slam champion, who was recently dumped out in the second round of Wimbledon before losing to Daniel Brands and Federico Delbonis in ATP Tour events, was beaten 7-6 (7-3) 6-3 6-4 by the 19th-seeded Spaniard.

Federer never looked comfortable after a long rain delay prompted organisers to move the match from Arthur Ashe Stadium to Louis Armstrong, a court Federer had not played a match on for seven years.

Robredo, who had never beaten Federer in 10 previous meetings, was a break ahead twice in the opening set and, although Federer pushed him to a tie-break, it was dominated by the Spaniard.

US Open: Roger Federer eases past Grega Zemlja in opening round

Five-time US Open champion Roger Federer cruised into the second-round thanks to a comfortable 6-3 6-2 7-5 win over Slovenia's Grega Zemlja.

In a match which was postponed from the night before because of rain, the Swiss star, making his 56th Grand Slam start in a row looked in supreme form on Arthur Ashe Court.

Federer, who is seeded seventh at Flushing Meadows - his lowest ranking for over a decade - fired 12 aces and 35 winners past the 62nd-ranked Zemlja.

The 32-year-old 17-time major champion won 20 of 21 points at the net to advance in 93 minutes.