August 3, 20116 Jerwin Ancajas vs McJoe Arroyo at Jurado Hall of the Philippine Marine Corp, Barangay Fort Bonifac, Taguig City, Metro Manila, Philippines for the IBF World super flyweight title

Filipino Jerwin Ancajas scored an upset when he defeated previously unbeaten World Champion McJoe Arroyo from Puerto Rico, Ancajas outboxed and out-brawled the champion after the fight Arroyo admitted that he was out of rhythm and maybe the effect of long layoff the champion last fought July of 2015 when he won the title against another Filipino fighter Arthur Villanueva in a controversial fight

The scores were 118-109 115-112 and 117-110.