Makoto Umasaki

Professional MMA referee — 15 bouts officiated on record.

15

Bouts

2

KO/TKO

4

Submission

9

Decision

Finish rate (of decided bouts) 40 %

Where they've officiated

Recent bouts officiated

Tenyu Sakai vs Yuma Sato 2026-03-08

Deep - Osaka Impact 2026 1st Round · TKO (Punches)

Eito Sugi vs Keita Asai 2026-03-08

Deep - Osaka Impact 2026 1st Round · Decision (Unanimous)

Koki Mishima vs Shion Takeyama 2026-02-23

Deep - Nagoya Impact 2026: Kobudo Fight 1st Round · Decision (Unanimous)

Yu Maeda vs Yuta Yamada 2026-02-23

Deep - Nagoya Impact 2026: Kobudo Fight 1st Round · Decision (Unanimous)

Mikiya Suzuki vs Kaoru Tsubaki 2026-02-23

Deep - Nagoya Impact 2026: Kobudo Fight 1st Round · Decision (Unanimous)

Kenichi Kinoshita vs Futoshi Isami 2026-02-23

Deep - Nagoya Impact 2026: Kobudo Fight 1st Round · Decision (Split)

Gouru Kawasaki vs Shoya Oiwa 2026-02-23

Deep - Nagoya Impact 2026: Kobudo Fight 1st Round · Technical Submission (Shoulder Choke)

Keisuke Fukuyama vs Yoshiki Hamamoto 2026-02-23

Deep - Nagoya Impact 2026: Kobudo Fight 1st Round · Technical Submission (Rear-Naked Choke)

Tatsumi Sawada vs Ietatsu Ohara 2025-09-21

Deep - Osaka Impact 2025 4th Round · Technical Submission (Rear-Naked Choke)

Kai Oya vs Tenyu Sakai 2025-09-21

Deep - Osaka Impact 2025 4th Round · Decision (Unanimous)

Ken Morris vs Keisuke Nakajima 2025-09-21

Deep - Osaka Impact 2025 3rd Round · TKO (Punches)

Toshiki Sakurai vs Daviya Yamamura 2025-04-27

Deep - Hamamatsu Impact 2025 1st Round · Decision (Unanimous)

Ryoma Kinoshita vs Mahiro Miyoshi 2025-04-06

Deep - Osaka Impact 2025 1st Round · Decision (Unanimous)

Kento Miura vs Takumi Ishida 2024-09-22

Deep - Osaka Impact 2024 3rd Round · Decision (Split)

Junpei Umemoto vs Taishi Harada 2024-09-22

Deep - Osaka Impact 2024 3rd Round · Technical Submission (Triangle Armbar)