Day 9 of the 2012 U.S. Open will open at 11 a.m. Tuesday, but the most anticipated match will come at 7 p.m. when American Andy Roddick takes on No. 7 Juan Martin Del Potro in a Round of 16 contest. Roddick could be playing at Arthur Ashe Stadium for the final time, as earlier in the tournament he announced his retirement.
Other notable men's singles matches feature No. 2 Novak Djokovic squaring off against Stanislas Wawrinka around 2 p.m. at Arthur Ashe Stadium.
Meanwhile, the women will be playing quarterfinal matches starting with No. 1 Victoria Azarenka facing No. 7 Samantha Stosur at 11 a.m. Following that match will be No. 3 Maria Sharapova meeting No. 11 Marion Bartoli.
A complete schedule of play can be found here, while a live stream of the matches can be watched at USOpen.org. The TV schedule is found below:
11 a.m.-7 p.m.: ESPN2 and Tennis Channel
7-11 p.m.: ESPN2
For more on the 2012 U.S. Open, check out SB Nation's tennis hub. Head over to the official U.S. Open website for live scores.