An out-of-sorts Alexander Zverev was dumped out of the US Open third round on Saturday by compatriot Philipp Kohlschreiber in four

Five-time champion Roger Federer found a new way to amaze as he reached the US Open last 16 with a 6-4, 6-1, 7-5 victory over Nick Kyrgios.

World No. 1 and defending champion Rafael Nadal came back from a set and break down to defeat Karen Khachanov 5-7, 7-5, 7-6 (9/7), 7-6 (7/3) to reach the US Open fourth round Friday.

Madison Keys, vying to return to the US Open final, was back in the last 16 after a 4-6, 6-1, 6-2 victory over Aleksandra Krunic on Saturday.

Serena Williams roars through her 30th career meeting with her sister Venus to book a US Open fourth-round berth with a 6-1, 6-2 victory.

World number one and defending champion Rafael Nadal came back from a set and break down to defeat big-hitting Karen Khachanov 5-7, 7-5, 7-6 (9/7), 7-6 (7/3) and reach the US Open fourth round on Friday.

Defending champion Sloane Stephens reached the US Open fourth round on Friday, winning the last three games in a straight-sets victory over Victoria Azarenka after a brief break to close the Arthur Ashe Stadium roof.

Roger Federer said respected umpire Mohamed Lahyani was wrong to get out of his chair to give Nick Kyrgios a controversial pep-talk at the US Open on Thursday which sparked a row over impartiality of officials in the sport.

It takes something special to grab the spotlight on a Friday night in the Big Apple but few contests attract more attention than Williams v Williams and the tennis sisters have New York buzzing as they prepare to clash for a 30th time.

A frustrated umpire controversially climbs out of his chair to give Australian Nick Kyrgios a pep talk, telling him: "I want to help you".

Andy Murray's first Grand Slam in more than a year ended with a second-round exit at the US Open, where he fell in four sets to Spain's Fernando Verdasco on Wednesday.

Roger Federer questioned Gerard Pique’s involvement in the controversial Davis Cup rebrand, opining that it was 'odd' to see a football player involved in the tennis competition's revamp.

Wimbledon champion Novak Djokovic suffered in sweltering US Open conditions Tuesday but battled through to the second round with a 6-3, 3-6, 6-4, 6-0 victory over Hungarian Marton Fucsovics.

Marin Cilic clinches a second-round berth at the U.S. Open after opponent Marius Copil of Romania retires hurt in the third set trailing the seventh-ranked Croat 7-5, 6-1, 1-1

Novak Djokovic suffers in sweltering US Open conditions but holds on to reach the second round with a 6-3, 3-6, 6-4, 6-0 victory over Hungarian Marton Fucsovics.

Serena Williams made a triumphant return to the US Open on Monday, launching her bid for a record-equalling 24th Grand Slam victory with a straight-sets win.

Briton Andy Murray beat Australia's James Duckworth 6-7(5), 6-3, 7-5, 6-3 in the U.S. Open first round, which is the former champion's first Grand Slam match in more than a year.

Two-times U.S. Open champion Venus Williams outlasts Svetlana Kuznetsova 6-3 5-7 6-3 in a marathon battle on a brutally hot day at Arthur Ashe Stadium to reach the U.S. Open second round.

World number one Simona Halep was swept aside 6-2, 6-4 by 44th-ranked Kaia Kanepi yesterday, the first top-seeded woman ever to lose in the US Open first round.

The US Open will begin from tonight and the fourth Grand Slam of the year will see all of the big names returning to action. Scotland's Andy Murray, who won the event at Flushing Meadows in 2012, will return from a year-long lay-off.