Marin Cilic
Marin Cilic is the defending champion and he will be hoping to win the US Open Men's Singles this yearGetty

The last Grand Slam of the year kicks-off in New York with the 2015 US Open starting on 31 August. Marin Cilic is the Men's Singles champion, while Serena Williams won the Women's Singles championship in 2014 and both will be looking to defend their title.

Where to Watch Live

The tournament starts at 4pm BST, with Sky Sports 1 and Sky Sports 1 HD providing live coverage in the UK. Regular updates and live scores are also available on the US Open's official website.

Men's Singles

Seed Rank First Round Opponent

1 1 Novak Djokovic vs Joao Souza

2 2 Roger Federer vs Leonardo Mayer

3 3 Andy Murray vs Nick Kyrgios

4 4 Kei Nishikori vs Benoit Paire

5 5 Stan Wawrinka vs Albert Ramos-Vinolas

World No 1 Novak Djokovic and five-time US Open winner Roger Federer were knocked out in the semi-final in 2014. The duo are the firm favourites to win the tournament as they are the top two seeded players for this year.

Great Britian's hope will be pinned on Andy Murray and he will face Nick Kyrgios in the first round. Murray will join Federer, Stan Wawrinka, Tomas Berdych, Rafael Nadal and Cilic in stopping Djokovic win this year's US Open.

Women's Singles

Serena Williams
Serena Williams won the 2014 US Open Women's Singles.Getty

Seed Rank First Round Opponent

1 1 Serena Williams vs Vitalia Diatchenko

2 2 Simona Halep vs Marina Erakovic

4 5 Caroline Wozniacki vs Jamie Loeb

5 4 Petra Kvitova vs Laura Siegemund

6 6 Lucie Safarova vs Lesia Tsurenko

Third seed Maria Sharapova has withdraw from the tournament after injury forced the Russian tennis star to sit out of this year's US Open. Defending champion Williams will face Vitalia Diatchenko in the first round and she will be hoping to win the Grand Slam for the seventh time in her career on home soil.

Williams is on the verge of winning all four Grand Slam titles in a calendar year as she has already won the Australian Open, the French Open and Wimbledon.