Andy Roddick has stepped away from the tennis court, marking his retirement in the sport after losing to Argentina's Juan Martin del Potro in the fourth round at the U.S. Open on Sept. 5.
A small schedule of singles games will take place at the 2012 U.S. Open for Thursday, Sept. 6, Day 11 of the sporting event. However, there are some key matches that many will want to keep an eye on.
