• Darren Walton

Nick Kyrgios has retired midway through his match with Illya Marchenko in the US Open third round when he was down two sets to one.

• Larry Fine

Flummoxed and frustrated by wily veteran Paolo Lorenzi for two sets, second seed Andy Murray changed tactics and beat the 34-year-old Italian at his own game to advance to the US Open fourth round.

• Tim Bontemps

Typically, when a wild card beats a seeded player in the third round of the U.S. Open, the upset can cause shockwaves down the rest of the draw and a buzz on the grounds at Flushing Meadows.

• Steve Keating

Another win, another milestone for Serena Williams who rolled into the U.S. Open last 16 on Saturday by crushing Sweden's Johanna Larsson 6-2 6-1 to collect grand slam victory number 307 - the most by a woman in the Open era.

Rafael Nadal entertains with between-the-legs lob.

Japanese teenager Naomi Osaka admitted she had "freaked out" as her big lead slipped away against Madison Keys at the US Open on Friday.

• Larry Fine

American Jack Sock knocked former champion Marin Cilic out of the U.S. Open on Friday in a power-packed 6-4 6-3 6-3 third-round victory at Flushing Meadows.

• Darren Walton

It's showtime for Nick Kyrgios after his third-round US Open match was given top billing in New York.

• Darren Walton

Nick Kyrgios has defied injury to surge into the third round of the US Open with a serving masterclass.

• Darren Walton

Serena Williams has tied Martina Navratilova's professional-era women's record with her 306th career victory in a grand slam match while older sister Venus stayed on track for a possible semi-final clash with her sister to reach the third round.

Bernard Tomic's foul-mouthed spray at a US Open heckler has earned him the heaviest sanction of this year's tournament to date.

• Podcast
• Kyle Mackey-Laws

Who's the most influential player at the Canberra Raiders?

The US Tennis Association says a spectator was arrested by police after he jumped over a wall surrounding a US Open court at the end of a match.

• Linda Pearce

After more than two decades, the distinctive Australian Open logo has made its last centre court appearance.

Anastasija Sevastova says moments like her US Open upset of third seed Garbine Muguruza are why she came out of retirement.

A cramping Milos Raonic became the first major casualty of the US Open when American qualifier Ryan Harrison shocked the Canadian fifth seed 6-7 (7-4) 7-5 7-5 6-1 to reach the third round of the year's final grand slam.

• Simon Briggs

Johanna Konta pulled off a miracle in New York on Thursday when she suffered a heat-related collapse in the middle of a draining three-set match against Tsvetana Pironkova, but still came back to win.

• Darren Walton

​Nick Kyrgios says he fears no one after letting his racquet do the talking to storm into the second round of the US Open in New York.

Follow all the action live from Flushing Meadows in New York.

• UPDATED

Bernard Tomic has delivered a foul-mouthed spray to a heckler during his first-round match at the US Open in New York.

We all know he's a walking headline, but it appears Nick Kyrgios also knows WADA's rights from wrongs.

The ever-controversial Nick Kyrgios has tweeted he'll leave tennis if he wins this year's US Open.

Novak Djokovic secured a 6-3 5-7 6-2 6-1 victory over Jerry Janowicz in the US Open first round but there were plenty signs of trouble.

Saturated in sweat, Australian wildcard James Duckworth posed for selfies with rapturous fans after posting the biggest win of his career at the US Open in New York.

Germany's Angelique Kerber maintained steady course as she seeks to displace Serena Williams from the top women's ranking, with the second seed rolling into the second round of the US Open as her opponent quit after seven games.

• Danielle Rendina

Tenth seed Gael Monfils safely secured a spot in round two of the US Open on Monday (local time) despite narrowly avoiding injury when he crashed into the courtside clock in his opening match at Flushing Meadows.

Australian youngster Jordan Thompson was inconsolable after suffering through a gut-wrenching five-set defeat on his US Open debut at Flushing Meadows.

In his US Open debut, Kyle Edmund has upset 13th-seeded Richard Gasquet - with the Frenchman admitting "(I'm) not sure I could do worse".

• Darren Walton

After a ho-hum - but hectic - American summer, Samantha Stosur only needed a short stroll through Flushing Meadows to regain her grand slam mojo.