[Rusty Backhand]

Serena Williams dominated her sister Venus not so long ago but when the two meet in the 4th round of the U.S. Open on Sunday she will find herself in the unfamiliar position of underdog.

http://topix.net/r/0a0H2TVFa7i=2FqwY3EVp2lj3KJUfO7FRrPBDsY7dPIlNUC=2B8uOj3nbxwGB5N2ia=2FoyE6HLijK2pxUfqSwj0=2BHtIywtdsD9LhYQsNBrNPFA3Ae8tNxJJabBJFh2HZktMd=2BaWKVZWG3fFLjsl1B24Ko8xqkW0nTclKBRysq1SLyDu=2BU=3D