Lacking his usual speed and quickness, Japan's Kei Nishikori could only put up a brave fight in a 6-2, 6-0, 5-7, 6-4 fourth-round French Open loss to Dominic Thiem on Sunday.Unable to chase down tough balls, all the 28-year-old Nishikori had going for him was his shot making.Too often, however, Thiem was able to place shots just out of Nishikori's reach. The win was the seventh-seeded Thiem's first over Nishikori in three career matches.The 24-year-old Thiem dominated early with accurate serves, and broke Nishikori's serve in the match's third game. Nishikori came close to holding serve in …READ FULL ARTICLE