[2] Terada made his K-1 debut against Hirotaka Sadamatsu at K-1 World GP 2020 in Fukuoka on November 3, 2020.
He won the fight by a first-round knockout, flooring Sadamatsu with a right cross at the 2:06 minute mark of the opening round.
[3] Terada faced the former ACCEL bantamweight champion Naoki Takahashi at K-1 World GP 2021 in Fukuoka on July 17, 2021, in his first fight of the year.
[14] Terada challenged the K-1 Featherweight champion Taito Gunji at K-1 World MAX 2024 on September 29, 2024.
[16] Terada made his inaugural title defense against Takahito Niimi at K-1 World MAX 2025 on February 9, 2025.