He was ranked the ninth best super featherweight kickboxer in the world by Combat Press between March and September 2022.[1][2]
Biography
Early years
The son of a karate instructor, Kaisei is one of 8 siblings, from an early age he followed the path of his elder brothers Kensei and Taisei into karate and kickboxing training.
Around the age of 8, he developed the Legg–Calvé–Perthes disease making him unable to walk for a time.[3] During his recovery, he watched the 2011 inaugural Krush Championship Tournament which inspired him to pursue his dream and become a professional kickboxer.[4]
After his recovery Kaisei, started to actively participate in amateur competitions, by 2016 he had already amassed multiple Kansai regional titles and awards.
In March 2017, Kaisei won the All Japan Shin Karate K-2 Grand Prix[5] this national title victory allowed to participate in the K-1 Koshien tournament later that year. Giving him a chance to confront himself with the best under 18-year-old amateur kickboxers of Japan.
Kaisei won the 65 kg K-1 Koshien tournament title on November 23, 2017 with a high kick knockout. This win installed him as one of the most promising young fighters of the country.
Professional career
Kaisei made his professional debut on March 21, 2018 at the K'festa 1 event. At just 16 years old, Kaisei scored a first-round KO victory against Shota Hara.[6][7]
Kaisei's next fight on June 17, 2018 against the more experienced Hayato Suzuki ended in a draw after 3 rounds. Following a disappointing result, Kaisei went back to amateur competition and won the 2018 K-1 Koshien tournament for a second time, making him the first to win this accolade two years in a row. He then rematched his opponent from the 2017 K-1 Koshien final Ruku as a professional in K'festa 2, Kaisei won by second-round knockout.[8]
His impressive performances prompted the matchmakers to sign him for a Krush Welterweight title fight only 2 months later against the very popular champion Minoru Kimura at Krush 101. Kaisei went into this fight as a massive underdog but managed to knock down the champion with a high knee in round 1 before losing by body punches TKO in the following round.[9]
On August 29, 2020 Kaisei entered the 4-man Krush -67.5 kg Championship Tournament at Krush 116. Kaisei won in the semi-final by TKO from Punches against Kaito. He faced Kazuki Yamagiwa in the final and had to give up at the end of round 1 when he broke his hand and wrist hitting the top of his opponent's head.[12][13]
Kondo was scheduled to fight Maki Dwansonpong at K-1: K’Festa 4 on March 21, 2021.[14] He won the bout by majority decision with scores of 29-29, 30-28 and 30-28.[15]
Konda faced Alan Soares at Krush 133 on January 28, 2022. He won the fight by a first-round knockout, flooring Soares with a knee to body.[16]