Add TT as Preferred Source Taiwanese taekwondoin Cheng Po-yu won the men's 55kg competition at the Dakar Youth Olympic Games in Senegal yesterday, securing Taiwan's second gold medal at the event. Cheng defeated Uzbekistan's Asadbek Samandarov, the World Junior Championships gold medalist, 2-1 in a comeback victory. Cheng fell behind after losing the opening round 0-2 in a closely contested fight.