Japan's Yoshihito Nishioka was eliminated by 10th seed Karen Khachanov of Russia 6-3, 6-3, 6-3 in the second round of the men's singles at the Australia Open on Wednesday.Nishioka, who was seeking to make his first third-round appearance at a Grand Slam tournament, finished with four aces and 23 winners compared to Khachanov's 16 aces and 49 winners in the 2-hour, 2-minute match."I didn't play well," Nishioka said. "I had my chances but I wasn't able to convert in key moments. I hope to hang in there and keep aiming high."In Thursday's second-round singles action for Japan, No. 8 seed Kei N…READ FULL ARTICLE