Kaisei Umenaga

2-5-1
(Win - Loss - Draw)
Country: Japan
Weight Class: Bantamweight
Birth Date: -
Age: -
Height: -
Weight: 61.2 kg

Kaisei Umenaga is a Bantamweight fighter from Japan. a record of 2-5-1 and 8 fights.

Of 2 career wins, 1 came by KO/TKO, 1 by submission, and 0 by decision, for a finish rate of 100%. This makes them a finisher who excels at ending fights early.

Over the last 5 fights, they hold a 1W-3L-1D record. In their most recent bout, they lost to Hiromu Ueni by submission.

25.0%

2W-5L-1D

Wins

KO/TKO 1Submission 1

50%

Finish Rate

KO Rate

50%

Submission Rate

Total Fights

Finish Rate

50%

KO Rate

Submission Rate

50%

Fight History8 total fights

PastRecent

Win vs Loss Methods

Win AnalysisLoss Analysis

KO/TKO

Submission

Decision

Last 5 Fights

	Opponent	Method
L	Hiromu Ueni	Technical Submission
W	Seiya Seiya	Technical Knockout
L	Shunsuke Kubota	Technical Knockout
L	Ryoga Arimoto	Submission
D	Yohei Ono	Draw

Career

1R Finishes	1
Current Loss Streak	1
Max Win Streak	1
Max Loss Streak	2

Basic Info

Debut	2021.07.25
Last Fight	2026.06.28
Avg. Fight Time	6:59
Career Duration	4y 11m

Win Analysis2

Method	Count	%
KO/TKO	1	50.0%
└ Punch	1	100.0%
Submission	1	50.0%
└ Rear Naked Choke	1	100.0%

Loss Analysis5

Method	Count	%
KO/TKO	1	20.0%
└ Elbow, punch	1	100.0%
Submission	3	60.0%
└ Rear Naked Choke	2	66.7%
└ Triangle choke	1	33.3%
Decision	1	20.0%
└ unanimous decision	1	100.0%

Draw

Finish by Round

R5+

Record by Year

2021

2022

2026

WLDNC

Record by Promotion

Promotion	W	L	D	Total
Wardog Cage Fight	1	2	1	4
Gladiator (Japan)	1	1	0	2
Pancrase	0	1	0	1
DEEP	0	1	0	1

Record by Weight Class

Weight Class	W	L	D	Total
Flyweight	1	3	1	5
Bantamweight	1	1	0	2
flyweight	0	1	0	1

Pro Matches

2-4-1

LOSS

Gladiator - Gladiator 035 in Osaka: 10th Anniversary

2026.06.28

Hiromu Ueni

11-13-0

Technical Submission(Rear Naked Choke)

2Round 3:26

1-4-1

WIN

Gladiator - Gladiator 034 in Osaka

2026.02.23

Seiya Seiya

1-4-2

Technical Knockout(Punch)

1Round 4:26

1-3-1

LOSS

WCF - Wardog Cage Fight 40

2022.10.23

Shunsuke Kubota

1-1-0

Technical Knockout(Elbow, punch)

2Round 1:11

1-2-1

LOSS

Pancrase & DeepOsaka Tournament: Yoshiro Maeda Retirement Event

2022.04.10

Ryoga Arimoto

0-0-0

Submission(Rear Naked Choke)

2Round 4:03

1-2-0

DRAW

WCF - Wardog Cage Fight 36

2022.01.30

Yohei Ono

0-1-0

Draw(Majority)

2Round 5:00

1-1-0

LOSS

Deep - Osaka Impact 2021 2nd Round

2021.11.21

Ryoma Uemura

0-0-0

Submission(Triangle choke)

2Round 1:17

1-0-0

LOSS

WCF - Wardog Cage Fight 34

2021.10.24

Tomoya Kobayashi

Decision(unanimous decision)

2Round 5:00

0-0-0

WIN

WCF - Wardog Cage Fight 32

2021.07.25

Masashi Yamamoto

1-0-0

Submission(Rear Naked Choke)

1Round 1:30

Result	Opponent	Event	Method	Round / Time
LOSS 2-4-1	Hiromu Ueni 11-13-0	Gladiator - Gladiator 035 in Osaka: 10th Anniversary 2026.06.28	Technical Submission(Rear Naked Choke)	2Round3:26
WIN 1-4-1	Seiya Seiya 1-4-2	Gladiator - Gladiator 034 in Osaka 2026.02.23	Technical Knockout(Punch)	1Round4:26
LOSS 1-3-1	Shunsuke Kubota 1-1-0	WCF - Wardog Cage Fight 40 2022.10.23	Technical Knockout(Elbow, punch)	2Round1:11
LOSS 1-2-1	Ryoga Arimoto 0-0-0	Pancrase & DeepOsaka Tournament: Yoshiro Maeda Retirement Event 2022.04.10	Submission(Rear Naked Choke)	2Round4:03
DRAW 1-2-0	Yohei Ono 0-1-0	WCF - Wardog Cage Fight 36 2022.01.30	Draw(Majority)	2Round5:00
LOSS 1-1-0	Ryoma Uemura 0-0-0	Deep - Osaka Impact 2021 2nd Round 2021.11.21	Submission(Triangle choke)	2Round1:17
LOSS 1-0-0	Tomoya Kobayashi	WCF - Wardog Cage Fight 34 2021.10.24	Decision(unanimous decision)	2Round5:00
WIN 0-0-0	Masashi Yamamoto 1-0-0	WCF - Wardog Cage Fight 32 2021.07.25	Submission(Rear Naked Choke)	1Round1:30