WBO Bantamweight kingpin, Rattanachai Singhwangcha (Sor Voraphin), took an easy KO win over Tanzanian fighter, Rajabu Mahoja in the opening session of his non-title clash yesterday afternoon in Buriram Province, Thailand. Rattanachai was the undercard for the WBO Junior Bantamweight title match between Thai champ, Pramuansak Ranger Gym (Phosuwan) and his challenger, former WBA International Super Flyweight champ James Kimani Wanene from Kenya. The Thai champ used his effective jabs and hard combinations to dominate his challenger from the beginning. He droped Wanene in the coner with big combinations in the 4th round and retained his title with a KO win. In the same card, The Filipino imported boxer, Dondon Jamines got a TKO5 win over Samransak Singmanasask of Thailand in a rematch fight.