Kosei
Kosei
康誠(こうせい)Kotomotomura Kosei
Jonidan 58 West · Hidenoyama
166 cm · 81 kgdebut Natsu 2024 (May)age 18Saga-ken, Takeo-shi
- Ichimon 一門 ·
- Nishonoseki 二所ノ関
Career
46-38-7
Basho
14
Highest
Jonidan 22
To Makuuchi
—
Yusho
0
Sansho
—
Kinboshi
0
Lower yusho
0
Tournament history
Every scored bout in the Sumo API match list. Green is a win, red a loss, gray kyujo. Playoff bouts sit under P and do not change the 15-day record. Open a cell for that head-to-head.
| Basho | Rank | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | Record | Notes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Aki 2026 (Sep) | Jonidan 58 West | · | · | · | · | · |
Division record
| Division | Basho | Y | W | L | A | Win% |
|---|---|---|---|---|---|---|
| Jonidan | 13 | — | 42 | 35 | 7 | 54.5 |
| Jonokuchi | 1 | — | 4 | 3 | — | 57.1 |
Streaks
Best wins
5
Worst losses
5
KK basho
2
- Aki 2026 (Sep)Jonidan 58 West0-0
Yokozuna at the top. Sumo API rank history — not Elo.
Kilograms at listed basho. Size holds between Sumo API measurement rows.
- ashitori11
Career wins in the Sumo API match list (1958 corpus).
Career losses in the Sumo API match list (1958 corpus).
Top rivals
- Teraosho3–0 · 3 meetings
- Amidaishin2–1 · 3 meetings
- Musubiyama2–1 · 3 meetings
- Anzakura1–2 · 3 meetings
- Hamada1–2 · 3 meetings
- Miyafuji0–3 · 3 meetings
- Amamidake2–0 · 2 meetings
- Kaihakusho2–0 · 2 meetings
Shikona
- Kosei康誠(こうせい)Haru 2025 (Mar) – Aki 2026 (Sep)
- Kosei KanatoKyushu 2024 (Nov) – Hatsu 2025 (Jan)
- Kotomotomura KoseiNatsu 2024 (May) – Aki 2024 (Sep)
In this sample
No Makuuchi or Juryo transitions for this rikishi in the loaded movement corpus.
Career mix — 1958 corpus
- Wins 50.5%
- Absences 7.7%
- Losses 41.8%