Starting off his pro career on November 2009 age 20, Kota Tokunaga has had a total of 15 fights - 13 wins, 2 losses, and 0 draws. 9 of the wins coming via stoppage. Between November 2009 and September 2010, Tokunaga had his longest winning streak of 5 fights. In his 15 fights, his longest KO streak is 5 fights long.
A calm Tokunaga made the statement he was hoping for in a 4 round fight against Takayuki Omuta. Claiming the only stoppage defeat of Omuta's career in round 1 of the fight via KO. Tokunaga rise in boxing continued with 8 fights against fighters such as Sho Horii, Masamichi Tamura and Tatsuro Minowa.
On October 24th, 2010, Tokunaga took on and was defeated by Yuki Miyoshi in his first career defeat meaning his career tally went to 5-1-0. Yuki Miyoshi became the first person to stop Tokunaga. The win came via KO in the 1st round of a 5 round bout. Tokunaga then went on to face Yuta Hashino where he added another win to his tally.
Tokunaga kept his losses at 1 by beating Tatsuro Minowa on October 18th, 2011. Continuing his career, Tokunaga fought Tatsuro Minowa in 2011 over 8 rounds. Tokunaga was the 2nd person to go the distance with Tatsuro Minowa. Taking his record to 8-1-0. Tokunaga then went on to win his next fight against Yuki Miyoshi.
Tokunaga went into his next fight against Ronald Pontillas on October 7th, 2012 with a career record of 8-2-0. Tokunaga failed to go into the later rounds with Pontillas, with Pontillas stopping him in the 1st round and becoming the 2nd person to stop Tokunaga. Tokunaga then went on to win a further 3 fights taking his record to 11 wins, 2 losses and 0 draws.
Tokunaga kept his losses at 2 by beating Accel Sumiyoshi on April 27th, 2014. Showing his class against Sumiyoshi, Tokunaga was the 5th person to go the distance with this opponent.
In Tokunaga's most recent fight, Tatsuya Yoneo was handed a beating by Tokunaga on August 3rd, 2014 to ensure his win record increased further again to 13 wins. Tokunaga's win against Yoneo was only the 2nd time Yoneo had been stopped. The fight finished in the 7th round of a 8 round fight via TKO.