Sun's Olympic outlook brightens

Test run at Hangzhou worlds shows fine-tuning paying off for pool prince

Sun Yang says an encouraging test run at the Hangzhou worlds bodes well for his chances of more Olympic glory at the Tokyo Games.

Sun, a serial champion in the 50m pool, had never taken a short-course race as seriously as last Friday's 4x200m free relay final at the FINA World Championships (25m) in his hometown.