After a debut fight on April 2010, Jun Hamana (age 30) has now built a record of 9 wins, 2 losses, 0 draws over a 11 fight career so far. Hamana's longest KO streak is 2 fights long out of his 11 career fights.
In a memorable debut Hamana gained a KO win against Jiro Takeishi in a 4 round contest, becoming the 3rd person to stop Takeishi. Hamana continued on his career with fights against boxers including Sho Ito, Kohei Maruoka and Kosuke Hakamata. Fights included suffered a first defeat against Kenichi Ogawa (5-0-0), 2nd person to go the distance with Sho Ito and 4th person to go the distance with Atsutomo Nose in this time.
Sho Ito was beaten next on July 29th, 2011 meaning Hamana could maintain his unbeaten streak. Sho Ito was Hamana's next opponent of his career in 2011. The fight was scheduled for 4 and Hamana was the 2nd person to go the distance with Ito.
Unfortunately, the first defeat of Hamana's career came against Kenichi Ogawa on September 27th, 2011 in Hamana's 5th professional fight. Hamana's technical boxing ability was put to the test as he got outpointed in the 4 round fight against the better man. Ogawa gave Hamana his first professional loss of his 5 fight career to date. 4 wins followed where Hamana went on to be the 2nd person to stop Spice Matsushita (Round 7 RTD), 5th person to go the distance with Yuji Oba and 3rd person to beat Kohei Maruoka.
On February 1st, 2014, Hamana went into action again and beat Kosuke Saka taking the winning record to 9 wins. Hamana was the 5th person to go the distance with Saka. Hamana fought Kosuke Saka in 2014, the result was via UD.
Hamana went into his next fight against Kazuma Sanpei on June 24th, 2014 with a career record of 9 wins. This latest challenge for Hamana proved to be too much for him, taking a UD loss to the better technical fighter over the 8 rounds and leaving Hamana wondering which direction his career will head next.