Results from ATP Tour Delray Beach Open on Wednesday (x denotes seed) 2nd rd Kwon Soon-woo (KOR) bt Ryan Harrison (USA) 6-4, 3-6, 7-6 (7/0) Yoshihito Nishioka (JPN) bt Noah Rubin (USA) 6-1, 6-2 Brandon Nakashima (USA) bt Cameron Norrie (GBR) 7-5, 6-2 afp