Japan's Kei Nishikori advanced to the Erste Bank Open semifinals with a straight-sets victory over top seed Dominic Thiem of Austria on Friday.Nishikori, the fifth seed, cruised past the world No. 7 at Vienna's Stadthalle, winning 6-3, 6-1 to set up a semifinal with Kazakhstan's Mikhail Kukushkin on Saturday."I don't know what to say. I've been able to play really well in these last two matches," said Nishikori, who defeated Russia's Karen Khachanov 6-2, 6-2 in the second round Thursday."It was almost a perfect match. Everything was good," Nishikori said. "I think winning with this kind of …READ FULL ARTICLE