Tipsaveric advances after injured Berdych retires

NEW YORK (AP) -- Janko Tipsarevic advanced to the fourth round of the U.S. Open when ninth-seeded Tomas Berdych retired in the second set Saturday.

Source: http://rss.cnn.com/~r/rss/si_tennis/~3/s3Uv2BttKRY/index.html

apparel strings balls pros