Wrestler profile Rikishi · 力士

Kosei

康誠(こうせい)

Fifth division Jonidan 20 West 6 wins · 7 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

6 - 7

Highest rank: Jonidan 20 West

Current streak: 2L

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 20 West in the fifth division.

Kosei made a professional debut in May 2024. SumoNerd has recorded 6 wins and 7 losses, with a career-high rank of Jonidan 20 West.

Official JSA profile

Tournament pulse Current form · 今場所

November 2026

Tournament still open 3 more wins needed for kachi-koshi.

Record 1–2 3 completed bouts

Win rate 33% This tournament only

Active streak 2L Consecutive losses

Most-used finish Leg pickAshitori · 1 win

Day-by-day form

1 - —

2 W Shoketsu

3 - —

4 L Dogo

5 L Hatooka

6 - —

7 - —

8 - —

9 - —

10 - —

11 - —

12 - —

13 - —

14 - —

15 - —

Career winning techniques Kimarite

Leg pickAshitori

33.3%

Front force-outYorikiri

16.7%

Frontal push-outOshidashi

16.7%

Under-shoulder swing-downKatasukashi

16.7%

Frontal push-downOshitaoshi

16.7%

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.

Recent Bouts

East · Fifth division Hatooka Jonidan 19 East

Frontal push-out Oshidashi · November 2026 · Day 5

West · Fifth division Kosei Jonidan 20 West

East · Fifth division Dogo Jonidan 22 West

Frontal push-down Oshitaoshi · November 2026 · Day 4

West · Fifth division Kosei Jonidan 20 West

East · Fifth division Shoketsu Jonidan 21 East

Leg pick Ashitori · November 2026 · Day 2

West · Fifth division Kosei Jonidan 20 West

East · Fifth division Ogawa Jonidan 64 East

Frontal push-down Oshitaoshi · September 2026 · Day 14