On May 25, 2016, Amnat Ruenroeng (17-0, 5 KOs), the flyweight IBF champion, defends his title against former world champion John Riel Casimero (21-3, 13 KOs).
Amnat Ruenroeng is coming in to the fight on a 17-fight win streak with a 29% KO rate; his last fight was a unanimous decision win over Myung Ho Lee, 5 months and 18 days ago. John Riel Casimero is on a 1-fight losing streak with a 54% KO rate, with his last fight being a unanimous decision loss to Ruenroeng, 10 months and 28 days ago.
This should be a confident win for John Riel Casimero at 99-1 winning odds. Amnat Ruenroeng really doesn't have much to present against Casimero.
In the rematch, John Riel Casimero stopped the champion via KO in the 4th round of the 12-round world-title fight, and is crowned the new IBF flyweight champion. Casimero improves his record to 22-3 (14 KOs), while Ruenroeng adds a loss to his record at 17-1.