Top five men and women players at the 2013 US Open tennis championships

Men

Novak Djokovic (Serbia)
>> World ranking: 1
>> Birthdate: May 22, 1987
>> Grand Slam singles titles: 6 (Australian Open 2008, 2011, 2012, 2013, Wimbledon 2011, US Open 2011)
>> Career prize money: $51,645,610
>> Best US Open result: Champion (2011)
>>Website: www.novakdjokovic.com
>> Twitter: @DjokerNole

Rafael Nadal (Spain)
>> World ranking: 2
>> Birthdate: June 3, 1986
>> Grand Slam singles titles: 12 (Australian Open 2009; French Open 2005, 2006, 2007, 2008, 2010, 2011, 2012, 2013; Wimbledon 2008, 2010; US Open 2010)
>> Career prize money: $56,910,697
>> Best US result: Champion (2010)
>> Website: www.rafaelnadal.com
>> Twitter: @RafaelNadal

Andy Murray (Great Britain)
>> World ranking: 3
>>Birthdate: May 15, 1987
>> Grand Slam singles titles: 2 (US Open 2012, Wimbledon 2013)
>> Career prize money: $29,946,843
>> Best US Open result: Champion (2012)
>> Website:u00a0www.andymurray.com
>> Twitter: @andy_murray

Roger Federer (Switzerland)
>> World ranking: 7
>> Birthdate: 8-8-81
>> Grand Slam singles titles: 17 (Aus Open '04, '06, '07, '10, French 2009, Wimbledon '03, '04, '05, '06, '07, '09, '12, US 2004, 2005, 2006, 2007, 2008)
>> Career prize money: $77,775,114
>> Best US result: Champion (2004, 2005, 2006, 2007, 2008)
>> Website: www.rogerfederer.com
>> Twitter: @rogerfederer

Juan Martin Del Potrou00a0(Argentina)
>> World ranking: 6
>> Birthdate: Sept 23, 1988
>> Grand Slam singles titles: 1 (US Open 2009)
>> Career prize money: $13,167,712
>> Best US Open result: Champion (2009)
>> Website: N/A
>>Twitter: @delpotrojuan

Women

Serena Williams (USA)
>> World ranking: 1
>> Birthdate: 26-9-81
>> Grand Slam singles titles: 16 (Aus Open '03, '05, '07, '09, '10, French 2002, 2013, Wimbledon 2002, 2003, 2009, 2010, 2012, US 1999, 2002, 2008, 2012)
>> Career prize money: $47,262,995
>> Best US Open result: Champion (1999, 2002, 2008, 2012)
>>Website: www.serenawilliams.com
>> Twitter: @serenawilliams

Victoria Azarenka(Belarus)
>> World ranking: 2
>> Birthdate: July 31, 1989
>> Grand Slam singles titles: 2 (Australian Open 2012, 2013)
>> Career prize money: $21,125,604
>> Best US Open result: Runner-up (2012)
>> Website: ww.vikaazarenkatennis.com
>> Twitter: @vika7
# Azarenka got her year off to a great start by defending her Aus Open title.

Agnieszka Radwanska (Poland)
>> World ranking: 4
>> Birthdate: March 6, 1989
>> Grand Slam singles titles: 0
>> Career prize money: $12,976,302
>> Best US Open result: Fourth round (2007, 2008, 2012)
>> Website: www.agaradwanska.com
> Twitter: @ARadwanska
# Won back-to-back titles at Sydney and Auckland at the start of the year.

Sara Errani (Italy)
>> World ranking: 5
>> Birthdate: April 29, 1987
>> Career singles titles: 7
>> Grand Slam singles titles: 0
>> Career prize money: $6,887,049
>> Best US Open result: Semi-finalist (2012)
>> Website: www.saraerrani.com
>> Twitter: @SaraErrani
# Fourth seed due to injured Sharapova

Li Na (China)
>> World ranking: 6
>> Birthdate: February 26, 1982
>> Grand Slam singles titles: 1 (French Open 2011)
>> Career prize money: $11,469,360
>> Best US Open result: Quarter-finals (2009)
# Reached her second Aus Open final in three years, losing to Azarenka. She matched her best run at Wimbledon by reaching the last eight.u00a0