Randy Mangubat, from Mandaluyong City, The Philippines, suffered a hand injury in a PABA flyweight bout against Denkaosaen Krathingdaeng Gym aka Denkaosen Kaowichit at Minburi Market in Bangkok on February 17, 2005. In first three rounds, Denkaosaen, a former WBA flyweight title challenger from Koh Samui, Thailand, landed effective right hands to Mangubat's face and body, but the Filipino used his left hand effectively against Kaowichit.  During rounds four through six, both fighters landed many powerful shots to their opponents, but Kaowichit looked a little bit more dominating. Before the bell to start the seventh round sounded, Mangubat, a former WBC flyweight title challenger, told the referee he had suffered a hand injury and could not continue. The official result was a seventh-round technical knockout for Kaowichit, who retained his his regional title. Kaowichit is rated #18 by Boxingtalk and #2 by the WBA at 112 pounds.