A professional mixed martial artist since 2016, he has competed in the Ultimate Fighting Championship and was also the Welterweight King of Pancrase.
Abe eventually transitioned to mixed martial arts in 2016, joining Pancrase in his professional MMA debut.
[2][3] Abe made his professional debut on April 24, 2016, against Ryosuke Igarashi at Pancrase 277 and won the fight via technical knockout 24 seconds into the first round.
[4][5] Abe made his promotional debut on September 22, 2017, at UFC Fight Night: Saint Preux vs. Okami against Hyun Gyu Lim.
[18] He won the fight and claimed the interim title via first-round technical knockout due to an injury.
[24] Abe faced Yukinari Tamura on October 23, 2022, at Rizin 39, and dominated from start to finish in the stands, winning a 3-0 decision.
[26] Abe faced Igor Tanabe at Super Rizin 2 on July 30, 2023, losing the fight via a heel hook submission in the first round.
[27] Abe faced Kota Ossman at Rizin Landmark 8 on February 24, 2024, knocking out his opponent in the first round.