World No. 9 Kei Nishikori of Japan has once more left the Gerry Weber open with fitness questions."It's really too bad," Nishikori said. "I'm surprised because there was no hint (of injury).The 27-year-old Japanese retired from his second-round match against Russia's Karen Khachanov while trailing 3-2 in the first set on Thursday. Nishikori began walking gingerly in the fourth game after his shot brought up match point against the 38th-ranked Khachanov."It felt like I twisted it," said Nishikori, who called for a medical timeout at the side change after Khachanov held serve and received a m…READ FULL ARTICLE
