Roddick quickly defeats teen Nishikori (AP) Top-seed Andy Roddick easily defeated Japanese teen star Kei Nishikori 6-2, 6-4 to advance to to the quaterfinals in SAP Open on Thursday. Roddick needed just 63 minutes to defeat Nishikori, who saw his eight-match ATP win streak snapped by the No. 6 player in the world. Roddick opened the match by taking a commanding 3-0 lead and breaking Nishikori's serve before the youngester won a game. Publish Date: Thu, 21 Feb 2008 23:24:37 PST Read more...