Serena Williams Aims for Grand Slam at US Open

Name: Serena Williams Aims for Grand Slam at US Open
Uploaded: 2015-08-30T13:52:57
Duration: PT140.0S
Description: The tennis star has already claimed victories in this year's Australian, French and Wimbledon tournaments. If Williams wins, she will be the first women's singles competitor to win the Grand Slam in a calendar year since Steffi Graf in 1988.