Angelique Kerber took another step towards becoming world number one as she sailed past 2015 finalist Roberta Vinci to reach the US Open semi-finals.

Rafael Nadal crashed out of the US Open as the Spaniard lost a five-set thriller to France's Lucas Pouille in the fourth round at Flushing Meadows.

Serena Williams reflected on a "cool milestone" after equalling Martina Navratilova's Open-era record for grand slam women's singles wins.

Tennis

Roger Federer looked in fine form as he powered to the second round at the US Open at Flushing Meadows last night.

Roger Federer recovered from dropping his first set of the tournament to race into the fourth round of the US Open.

Andy Murray enjoyed a pleasingly drama-free evening as he eased into the third round of the US Open.

It’s been quite the week for contrived crises over national identity.

Novak Djokovic showed he is very much the man to beat at the US Open with a stunning display to defeat Juan Martin Del Potro in straight sets in the quarter-finals.

Andy Roddick’s career was brought to a close overnight with defeat by Juan Martin Del Potro in the fourth round of the US Open.

Fourth seed David Ferrer continued his smooth progress through the draw with a straight-sets victory over Richard Gasquet to reach the US Open quarter-finals for the second time.

Andy Murray produced his best performance since the Olympic final to ease past dangerman Milos Raonic and into the US Open quarter-finals.

Maria Sharapova reached the quarter-finals of the US Open for the first time since winning the title six years ago, but was given a real scare by fellow Russian Nadia Petrova.

David Ferrer battled his way past Lleyton Hewitt to reach the fourth round of the US Open on Sunday while defending champion Novak Djokovic continued his New York stroll.

Andy Roddick chose his 30th birthday to announce his retirement from tennis, saying: “It’s time.”

Unheralded Slovakian Martin Klizan caused the shock of the tournament yesterday as he knocked out fifth seed Jo-Wilfried Tsonga in the second round of the US Open.

Andy Murray felt he had taken a step forward as he dispatched US Open second-round opponent Ivan Dodig with the minimum of fuss under the lights at Flushing Meadows.

Novak Djokovic began the defence of his US Open title with a crushing 6-1 6-0 6-1 victory over Italy's Paolo Lorenzi on Arthur Ashe Stadium last night.

An Australian Open boycott is still a long way off, according to Andy Murray.

Second seed Agnieszka Radwanska swatted aside Russia’s Nina Bratchikova to reach the second round of the US Open at Flushing Meadows today.

Roger Federer insisted Novak Djokovic should be the favourite for the US Open title after beginning his campaign in style under the lights at Flushing Meadows.

Andy Murray successfully negotiated his first obstacle at the US Open as he saw off Russia’s Alex Bogomolov despite a patchy performance on Arthur Ashe Stadium.

Andy Murray successfully negotiated his first obstacle at the US Open as he saw off Russia’s Alex Bogomolov despite a patchy performance on Arthur Ashe Stadium.

Andy Murray will hope to show how far he has come in 18 months when he takes on Russia’s Alex Bogomolov in the first round of the US Open later today.

As if Andy Murray did not have enough rivals in one of the toughest eras of men’s tennis, now his mind has started playing tricks on him.

When in Rome, do as the Romans do. So, while on holiday in Madrid a few years ago, I did as the Madrilenos do and spent a night in the Plaza de Toros de Las Ventas watching bulls getting slowly but surely stabbed to death.

2011 saw Conor Niland on the crest of a wave with qualification for Wimbledon and the US Open, however, the reality of daily life on the professional tennis tour can be far from glamorous. Ewan MacKenna reports.

Serena Williams will discover today whether her latest run-in with officialdom will lead to more than just a few negative headlines.

RAFAEL NADAL believes tonight’s US Open final against Novak Djokovic will be a match played principally in the mind.

Andy Murray became only the seventh man in the Open era to reach the semi-finals at all four grand slams in a single year with a gripping 7-5 6-4 3-6 7-6 (7/2) victory over giant American John Isner at the US Open today.

Roger Federer avenged his Wimbledon defeat with a 6-4 6-3 6-3 victory over Jo-Wilfried Tsonga to set up a semi-final rematch with Novak Djokovic at the US Open.

Rafael Nadal called for the players to be given more power after putting aside the problems of yesterday to reach the quarter-finals of the US Open.

American hero Andy Roddick and fifth seed David Ferrer were sent out to Court 13 at Flushing Meadows to complete their fourth-round US Open match after bizarre scenes on Louis Armstrong Stadium today.

Weather continued to play havoc with the US Open schedule as rain forced a delay for the second day in succession.

Andy Murray must return to Flushing Meadows tomorrow for his fourth-round US Open clash against Donald Young after poor weather forced the day’s play to be cancelled.

Caroline Wozniacki produced a performance worthy of a world number one to beat Svetlana Kuznetsova 6-7 (6/8) 7-5 6-1 in a three-hour epic under the lights on Arthur Ashe Stadium and reach the quarter-finals of the US Open.

Andy Murray was grateful for an evening free of drama as he cruised past Feliciano Lopez to reach the fourth round of the US Open under the lights on Arthur Ashe Stadium.

Rafael Nadal will return to Flushing Meadows for his US Open fourth-round clash with Gilles Muller tomorrow hoping to make the headlines for what happens on the court rather than off it.

Serena Williams felt her third-round victory over fourth seed Victoria Azarenka at the US Open yesterday was worthy of a semi-final.

World number one Caroline Wozniacki battled her way into the fourth round of the US Open with a 6-2 6-4 victory over America’s Vania King on Arthur Ashe Stadium.

Flavia Pennetta caused the biggest upset of the US Open so far with a gutsy 6-3 3-6 6-4 victory over third seed Maria Sharapova on Arthur Ashe Stadium.

Top seed Caroline Wozniacki laid down a marker with a 6-2 6-0 thrashing of Arantxa Rus in the second round of the US Open on Thursday night.