The US Open moves into the fifth day and the men's singles event will continue with its second round of play. World number two Novak Djokovic will take on unseeded Brazilian Rogerio Dutra Silva, while Andy Roddick - who has announced his retirement after this tournament - will face Bernard Tomic of Australia. The American had won the US Open in 2003 and was the runner-up at the Wimbledon thrice and will be hoping to put on a good show as he ends his illustrious career.
Fourth seeded David Ferrer takes on unseeded Dutchman Igor Sijsling. The Spaniard will be hoping to fill the void left behind by the absence of compatriot and world number three Rafael Nadal, due to a foot injury. Meanwhile, seventh seed and 2009 US Open champion Juan Martin del Potro, is set to face Ryan Harrison of USA.
The women's singles event will move into the third round with a host of exciting matches to look forward to. First up, is third seed Maria Sharapova, who takes on unseeded American Mallory Burdette. The four-time Grand Slam winner from Russsia has been in sensational form in the US Open so far, beating her first and second round opponents in straight sets and conceding just five games. Another player who has been in superb form is world number one Victoria Azarenka. The Belarusian will take on 28th seed Jie Zheng of China.
The men's and women's doubles events will move into the second round of the competition, while the mixed doubles event continues with the first round games. Lezel Huber of the United States and Max Mirnyi of Belarus will start their campaign as number one seeds.
Day 4 Review
Day four of the US Open saw world number one Roger Federer breeze past his second round opponent Bjorn Phau from Germany 6-2 6-3 6-2. British number one and third seed Andy Murray looked in sublime touch when he beat Ivan Dodig of Croatia 6-2 6-1 6-3. Meanwhile, unseeded American James Blake beat 24th seed Marcel Granollers of Spain 6-1 6-4 6-2.
The biggest upset of the day saw Martin Klizan of Slovakia beat fifth seed Jo-Wilfred Tsonga in a four-set affair. The Frenchman looked out of touch as he conceded the first set 4-6, but came back to win the next set 6-1. However, Klizan responded well to beat the Frenchman in the next two sets 1-6 3-6 and moved into the third round.
"Today I was not in good shape. I didn't play good tennis. It seemed like I couldn't hit the ball hard enough to put my opponent out of position. I don't really know why it was like this today, but sometimes it happens with me," Tsonga said after the match.
In the women's singles event, Wimbledon and London 2012 champion Serena Williams beat Maria Jose Martinez Sanchez from Spain 6-2 6-4. The best game of the day saw sixth seed Angelique Kerber of Germany get past seven-time Grand Slam winner Venus Williams in a three-set affair. Venus, who was unseeded in the tournament, succumbed to a 6-2 5-7 7-5 defeat.
Where to Watch Live
You can follow all the action live, from 4 pm on Sky Sports 2 and Sky Sports HD 2. You can also catch all the scores and updates, in real time, from the tournament's official Web site.