Image:The World no 1 and defending champion Serena Williams heads into the tournament as the clear favourite for the title
Image:Victoria Azarenka is the second seed and is likely to provide the biggest threat to Serena
Image:Britain's Laura Robson made the fourth round last year and is seeded, 31st, for the first time at a grand slam event at Flushing Meadows
Image:Agnieszka Radwanska will be aiming to make it past the 4th round in New York for the first time
Image:Italy's Sara Errani has had a mixed season in the grand slams. A semi-final appearance came in between first round exits in Australia and at Wimbledon
Image:Li Na will be eyeing a last four spot for the first time at the US Open
Image:Former world no 1 Caroline Wozniacki is looking to claim her first grand slam title, the closest she's come was making the final here in 2009
Image:Big hitting left-hander Petra Kvitova will be amongst the Flushing Meadows favourites and is chasing a second grand slam win
Image:Heather Watson won the US Open girls' title in 2009 and the Brit will be hoping to progress beyond the first round of the main event for the first time
Image:25-year-old Angelique Kerber will hope to better her 2011 semi-final appearance
Image:Jelena Jankovic made the final in New York in 2008 and has the chance to go one better this time round
Image:Sabine Lisicki was in brilliant form to reach the Wimbledon final and is capable of beating anyone on her day. Just ask Serena...
Image:Samantha Stosur won the event in 2011 and a second US Open title shouldn't be ruled out
Image:Doubles winner and quarter-finalist last year, Roberta Vinci clearly enjoys it at Flushing Meadows
Image:Wimbledon semi-finalist Kirsten Flipkens is Belgium's best hope for a female US Open champion this year
Image:Another former world no 1, Ana Ivanovic is considered a clay court specialist but made the quarter-finals at last year's US Open
Image:Maria Kirilenko will be out to better her previous best showing in New York, a 4th round exit in 2011
Image:The young American Sloane Stephens is sure to be a crowd favourite
Image:Jamie Hampton is another player likely to be boosted by home support
Image:Svetlana Kuznetsova is seeded 28th but the Russian won here in 2004 and is still someone the big guns will want to avoid early in the draw
Image:Formerly Britain's highest ranked female, Elena Baltacha is on course to reach the main draw of the 2013 US Open through the qualifying event
