On December 31, 2012, a 32-year-old Kohei Kono (27-7, 10 KOs) got a shot at the WBA super-flyweight title held by Tepparith Singwancha.
Kono came in to the fight on a 2-fight win streak with a 29% KO rate, and was fighting after a gap of 3 months and 21 days.
Kohei Kono stopped the champion via KO in the 4th round of the 12-round world-title fight, winning the first world title of his career, and is crowned the new WBA super-flyweight champion. Kono improves his record to 28-7 (11 KOs)
On March 26, 2014, 33-year-old Kohei Kono (29-8, 12 KOs) and Denkaosan Kaovichit fought for the vacant WBA super-flyweight title.
Kono came in to the fight on a 1-fight win streak with a 32% KO rate, and was fighting after a gap of 2 months and 26 days.
Kohei Kono stopped Denkaosan Kaovichit via KO in the 8th round of the 12-round world-title fight. Kono improves his record to 30-8 (13 KOs)
On April 27, 2016, the 35-year-old WBA super-flyweight world champion, Kohei Kono (31-8-1, 13 KOs), faced Tanawat Phonnaku, in a title defense fight.
Kono came in to the fight on a 1-fight win streak with a 32% KO rate, and was fighting after a gap of 6 months and 11 days.
Kohei Kono defeated Tanawat Phonnaku via unanimous decision and successfully defended his WBA super-flyweight title. Kono improves his record to 32-8-1
On October 16, 2015, the 34-year-old WBA super-flyweight world champion, Kohei Kono (30-8-1, 13 KOs), faced Kōki Kameda, in a title defense fight.
Kono came in to the fight after a draw in his last fight with a 33% KO rate, and was fighting after a gap of 9 months and 16 days.
Kohei Kono defeated Kōki Kameda via unanimous decision and successfully defended his WBA super-flyweight title. Kono improves his record to 31-8-1
On December 31, 2014, the 34-year-old WBA super-flyweight world champion, Kohei Kono (30-8, 13 KOs), faced Norberto Jimenez, in a title defense fight.
Kono came in to the fight on a 2-fight win streak with a 34% KO rate, and was fighting after a gap of 9 months and 5 days.
The fight ended in a split decision draw and both the fighters added a draw to their respective records — Kono is now 30-8-1.
On August 31, 2016, the 35-year-old WBA super-flyweight world champion, Kohei Kono (32-8-1, 13 KOs), faced a 30-year-old Panamanian boxer Luis Concepción (34-4, 24 KOs), in a title defense fight.
Kono came in to the fight on a 2-fight win streak with a 31% KO rate, and was fighting after a gap of 4 months and 4 days. Concepción was on a 2-fight win streak with a 63% KO rate, and fighting after a layoff of 8 months and 14 days.
Luis Concepción defeated Kohei Kono via unanimous decision and wins the WBA title — in his first world-title fight. Concepción improves his record to 35-4, while Kono adds a loss to his record at 32-9-1.
On September 20, 2010, 29-year-old Kohei Kono (25-4, 9 KOs) and 30-year-old Tomás Rojas (33-12-1, 23 KOs) fought for the vacant WBC super-flyweight title.
Kono came in to the fight on a 4-fight win streak with a 31% KO rate, and was fighting after a gap of 4 months and 3 days. Rojas was on a 2-fight win streak with a 50% KO rate, and fighting after a layoff of 3 months and 1 day.
Tomás Rojas defeated Kohei Kono via unanimous decision . Rojas improves his record to 34-12-1, while Kono adds a loss to his record at 25-5.
On May 6, 2013, the 32-year-old WBA super-flyweight world champion, Kohei Kono (28-7, 11 KOs), faced a 31-year-old Venezuelan boxer Liborio Solís (14-3-1, 7 KOs), in a title defense fight.
Kono came in to the fight on a 3-fight win streak with a 31% KO rate, and was fighting after a gap of 4 months and 6 days. Solís was on a 5-fight win streak with a 38% KO rate, and fighting after a layoff of 1 year and 8 days.
Liborio Solís defeated Kohei Kono via majority decision and successfully defended his WBA super-flyweight title. Solís improves his record to 15-3-1, while Kono adds a loss to his record at 28-8.
On February 12, 2007, a 26-year-old Kohei Kono (17-3, 7 KOs) and Teppei Kikui met in the ring for the 3rd time, in a super-flyweight bout.
Kono came in to the fight on a 3-fight win streak with a 35% KO rate, and was fighting after a gap of 5 months and 8 days.
In the rematch, Kohei Kono defeated Teppei Kikui via unanimous decision in the 10-round super-flyweight fight. Kono improves his record to 18-3
On May 17, 2010, a 29-year-old Kohei Kono (24-4, 8 KOs) and Masafumi Tonomura met in the ring in a super-flyweight bout.
Kono came in to the fight on a 3-fight win streak with a 28% KO rate, and was fighting after a gap of 7 months and 14 days.
Kohei Kono stopped Masafumi Tonomura via TKO in the 11th round. Kono improves his record to 25-4 (9 KOs)