[4] He went to Japan in 2016 and started kickboxing inspired by his father who also was a kick boxer and participated in "K-1 WORLD GP 2004 in SEOUL" held in Korea in 2004 under the name of Dave Kumar Ghimire.
He beat Yohei Fujioka by a first-round technical knockout, but lost to Bruno Gazani by unanimous decision in the finals.
He successfully defended the title by a first-round knockout, stopping his opponent with a left knee midway through the round.
[12] Ghimire was scheduled to fight the reigning super-welterweight K-1 champion Minoru Kimura in a non-title bout at K-1 World GP 2020 in Tokyo on December 13, 2020.
[17] Ghimire was scheduled to face Hiromi Wajima at K-1 World GP 2021 in Fukuoka on July 17, 2021.
[22] He won the fight by a first-round technical knockout, stopping Matsushita with a flurry of punches at the 2:00 minute mark of the opening round.
[25] Ghimire faced the four-weight Rajadamnern Stadium champion Jomthong Chuwattana at K-1 World GP 2022 Yokohamatsuri on September 11, 2022.
[27] Ghimire faced the Krush Super Welterweight champion Jordann Pikeur at K-1 World GP 2023: K'Festa 6 on March 12, 2023.
[35] Ghimire defeated Antonin Marconi by first round technical knockout on October 26, 2024, for the vacant ISKA K-1 Intercontinental Super Welterweight title.