Steffi Graf and Serena Williams played each other twice and walked away with a win each. But when it comes to winning grand slams, Graf is rooting for Williams to break her Open era record of 22 major singles titles at this month's US Open.
원문출처 : http://www.cnn.com/2016/08/25/tennis/steffi-graf-on-serena-williams/index.html
원문출처 : http://www.cnn.com/2016/08/25/tennis/steffi-graf-on-serena-williams/index.html