On May 7, 2014, the 34-year-old IBF flyweight world champion, Amnat Ruenroeng (12-0, 5 KOs), faced a 25-year-old Japanese boxer Kazuto Ioka (14-0, 9 KOs), in a title defense fight.
Ruenroeng came in to the fight on a 12-fight win streak with a 41% KO rate, and was fighting after a gap of 3 months and 15 days. Ioka was on a 14-fight win streak with a 64% KO rate, and fighting after a layoff of 4 months and 7 days.
Amnat Ruenroeng defeated Kazuto Ioka via split decision and successfully defended his IBF flyweight title. Ruenroeng improves his record to 13-0, while Ioka adds a loss to his record at 14-1.
On June 27, 2015, the 35-year-old IBF flyweight world champion, Amnat Ruenroeng (15-0, 5 KOs), faced a 26-year-old Filipino boxer John Riel Casimero (21-2, 13 KOs), in a title defense fight.
Ruenroeng came in to the fight on a 15-fight win streak with a 33% KO rate, and was fighting after a gap of 3 months and 19 days. Casimero was on a 7-fight win streak with a 56% KO rate, and fighting after a layoff of 6 months and 14 days.
Amnat Ruenroeng defeated John Riel Casimero via unanimous decision and successfully defended his IBF flyweight title. Ruenroeng improves his record to 16-0, while Casimero adds a loss to his record at 21-3.
On March 8, 2015, the 35-year-old IBF flyweight world champion, Amnat Ruenroeng (14-0, 5 KOs), faced Zou Shiming, in a title defense fight.
Ruenroeng came in to the fight on a 14-fight win streak with a 35% KO rate, and was fighting after a gap of 5 months and 26 days.
Amnat Ruenroeng defeated Zou Shiming via unanimous decision and successfully defended his IBF flyweight title. Ruenroeng improves his record to 15-0
On January 22, 2014, 34-year-old Amnat Ruenroeng (11-0, 5 KOs) and Rocky Fuentes fought for the vacant IBF flyweight title.
Ruenroeng came in to the fight on a 11-fight win streak with a 45% KO rate, and was fighting after a gap of 5 months and 6 days.
Amnat Ruenroeng defeated Rocky Fuentes via unanimous decision . Ruenroeng improves his record to 12-0
On September 10, 2014, the 34-year-old IBF flyweight world champion, Amnat Ruenroeng (13-0, 5 KOs), faced a 28-year-old Puerto Rican boxer McWilliams Arroyo (15-1, 13 KOs), in a title defense fight.
Ruenroeng came in to the fight on a 13-fight win streak with a 38% KO rate, and was fighting after a gap of 4 months and 3 days. Arroyo was on a 12-fight win streak with a 81% KO rate, and fighting after a layoff of 2 months and 22 days.
Amnat Ruenroeng defeated McWilliams Arroyo via split decision and successfully defended his IBF flyweight title. Ruenroeng improves his record to 14-0, while Arroyo adds a loss to his record at 15-2.
On December 7, 2015, the 35-year-old IBF flyweight world champion, Amnat Ruenroeng (16-0, 5 KOs), faced Myung Ho Lee, in a title defense fight.
Ruenroeng came in to the fight on a 16-fight win streak with a 31% KO rate, and was fighting after a gap of 5 months and 10 days.
Amnat Ruenroeng defeated Myung Ho Lee via unanimous decision and successfully defended his IBF flyweight title. Ruenroeng improves his record to 17-0
On August 16, 2013, a 33-year-old Amnat Ruenroeng (10-0, 4 KOs) and Takuro Habu met in the ring in a flyweight bout.
Ruenroeng came in to the fight on a 10-fight win streak with a 40% KO rate, and was fighting after a gap of 1 month and 26 days.
Amnat Ruenroeng stopped Takuro Habu via TKO in the 4th round. Ruenroeng improves his record to 11-0 (5 KOs)
On June 21, 2013, a 33-year-old Amnat Ruenroeng (9-0, 3 KOs) and Ricky Manufoe met in the ring in a flyweight bout.
Ruenroeng came in to the fight on a 9-fight win streak with a 33% KO rate, and was fighting after a gap of 2 months and 2 days.
Amnat Ruenroeng stopped Ricky Manufoe via TKO in the 4th round. Ruenroeng improves his record to 10-0 (4 KOs)
On November 7, 2020, a 40-year-old Amnat Ruenroeng (20-4, 6 KOs) and Pungluang Sor Singyu met in the ring.
Ruenroeng came in to the fight on a 1-fight losing streak with a 25% KO rate, and was fighting after a gap of 3 months and 6 days.
Amnat Ruenroeng defeated Pungluang Sor Singyu via unanimous decision in the 8-round fight. Ruenroeng improves his record to 21-4
On August 26, 2017, a 37-year-old Amnat Ruenroeng (17-1, 5 KOs) and Petchthongchai Singmanassak met in the ring.
Ruenroeng came in to the fight on a 1-fight losing streak with a 27% KO rate, and was fighting after a gap of 1 year, 3 months, and 1 day.
Amnat Ruenroeng stopped Petchthongchai Singmanassak via TKO in the 3rd round. Ruenroeng improves his record to 18-1 (6 KOs)