 Complete the following phrase:  During the Asian Junior Championships on 13 June 2014, he beat his 100m record of 10.50 seconds. He also broke the senior national record in the 200 meters at 20.63. On July 25, 2015, he broke his national record in 200 m at 20.47. At the 2015 World Championships in Athletics in Beijing, China he was on the startlist of the 