Career
He first started participating for the national team in 2011. Khairul participated in the Stage 4 in Shanghai, China in what was only his third international tournament. He was part of the Malaysian contingent at the in Tehran, Iran which came away two gold medals and two silver medals.
Khairul contributed towards both gold medals.
He defeated Hideki Kikuchi of Japan 6-2 in the final of the men"s individual event and was part of the Malaysian team which defeated China 187-184 in the final of the men"s team event. At the he competed for his country in the Men"s individual event and the Men"s team event.
Khairul made it to the quarter-final stage of the individual event, where he was stopped by eventual silver-medallist Takaharu Furukawa of Japan, while the Malaysian team crashed out in the first round.