KUALA LUMPUR: Qatari referee Abdulrahman Abdu will officiate the AFC Champions League clash between Korea's Suwon Samdung Bluewings and Osaka Gamba of Japan, the game's ruling body in Asia announced on Tuesday. Abdu's assistants in the game on Wednesday will be Juma Mohammed and Saud Ahmed Saud. Saud Ali Azba will be the fourth official. QFA's popular referee Abdul Rahman Al-Jassem will officiate in the match between Melbourne Victory and Shanghai Sipg of China in Melbourne on Wednesday. Salem Al Marri, Yousef Arif Al Shammari will be the assistants on Wednesday, it was announced.