Wrestler profile Rikishi · 力士

Kosei

康誠(こうせい)

Fifth division Jonidan 58 West 5 wins · 5 losses

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Stable Heya Hidenoyama

Height 166 cm

Weight 81 kg

Age 18

Hometown Saga-ken, Takeo-shi

Debut May 2024

Career Record

5 - 5

Highest rank: Jonidan 22 West

Current streak: 1L

Meet the wrestler Rikishi guide

Who is Kosei?

Kosei is a 18-year-old professional sumo wrestler from Saga-ken, Takeo-shi representing Hidenoyama stable. Currently ranked Jonidan 58 West in the fifth division.

Kosei made a professional debut in May 2024. SumoNerd has recorded 5 wins and 5 losses, with a career-high rank of Jonidan 22 West.

Official JSA profile ↗

Tournament pulse Current form · 今場所

September 2026

Winning record secured Kachi-koshi — more wins than losses is guaranteed.

Record 5–2 7 completed bouts

Win rate 71% This tournament only

Active streak 1L Consecutive losses

Most-used finish Frontal push-outOshidashi · 1 win

Day-by-day form

1 - —

2 W Kirinohana

3 - —

4 W Tamanotora

5 W Ibuki

6 - —

7 - —

8 L Onbashira

9 W Tanaka

10 - —

11 W Shotaimu

12 - —

13 - —

14 L Ogawa

15 - —

Career winning techniques Kimarite

Frontal push-outOshidashi

20.0%

Leg pickAshitori

20.0%

Under-shoulder swing-downKatasukashi

20.0%

Front force-outYorikiri

20.0%

Frontal push-downOshitaoshi

20.0%

Career movement Banzuke · 番付

Rank History

How to read it: higher on the chart means a stronger rank, closer to Yokozuna. Each dot is the wrestler's published rank for that tournament.