Rikishi Profile
Basic Information
| Osanai Koju | |
| Stable | Takasago |
|---|---|
| Name | Koju Osanai |
| Ring Name | Osanai |
| Current Rank | Makushita #21 |
| Birthday | March 1, 1999 |
| Birthplace | Aomori |
| Height | 177.5cm |
| Weight | 116.7kg |
| Signature Maneuver | moro-zashi/oshi, yori, dashinage |
Awards Won
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- 0
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- 0
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- 1
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- 0
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- 1
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- 0
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- 0
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- 0
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- 0
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- 0
- Career Record:
- 107-86-3
- Makuuchi Records:
- 0-0
as of January 2026
Most-Used Winning Techniques
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- yorikiri
- 39%
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- shitatenage
- 17%
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- yoritaoshi
- 17%
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- etc
- 27%
18wins 39matches
Tournament Records
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2026 January
West Makushita #21 Osanai Koju 0-0 |
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2025 November
East Makushita #27 Osanai Koju 4-3 |
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| Shimizuumi | Ryusho | Wakamiyabi | Tokunomusashi | Nihonyanagi | Bushozan | Daikosho | |||||||||
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2025 September
East Makushita #19 Osanai Koju 3-4 |
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| Okaryu | Shimazuumi | Hanaoka | Shiroma | Tochikodai | Kurohimeyama | Awanokuni | |||||||||
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2025 July
East Makushita #25 Osanai Koju 4-3 |
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| Shiroma | Tendozan | Daishoho | Kurohimeyama | Shohoryu | Kitaharima | Chiyotora | |||||||||
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2025 May
East Makushita #42 Osanai Koju 5-2 |
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| Kurohimeyama | Tokitenran | Daishinkai | Oyamada | Shiroma | Chiyooga | Kotokenryu | |||||||||
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2025 March
West Makushita #19 Osanai Koju 1-3-3 |
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| Tosamidori | Daimasakari | Haruyama | Nishinoryu |
- ○･･･win
- ●･･･lose
- □･･･win by default
- ■･･･lose by default
- a･･･absent･No efforts
- ×･･･draw
- △･･･draw due to injury
- R･･･Retired
- The ring name used at the time is being displayed.
Rankings for the Past Year
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- Makushita #19
- March
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- Makushita #42
- May
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- Makushita #25
- July
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- Makushita #19
- September
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- Makushita #27
- November
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- Makushita #21
- January
- Debut
- March, 2021
- Highest Rank
- Makushita #5
Stablemates
 west maegashira #15Asakoryu |
Takasago |
 east maegashira #16Asanoyama |
Takasago |
 east maegashira #17Asahakuryu |
Takasago |
 west juryo #7Asasuiryu |
Takasago |
Rikishi from Aomori Prefecture
 West Maegashira #11Nishikifuji |
Aomori |
 West Juryo #5Takerufuji |
Aomori |
Rikishi of same age (Born in 1999)
 East YokozunaHoshoryu |
1999-05-22 |
 West Maegashira #9Roga |
1999-03-02 |
 West Maegashira #10Kotoshoho |
1999-08-26 |
| East Maegashira #17 Asahakuryu |
1999-01-08 |
 West Maegashira #17Hatsuyama |
1999-11-05 |
 West Juryo #3Shirokuma |
1999-05-25 |
| West Juryo #5 Takerufuji |
1999-04-09 |
 East Juryo #7Tochitaikai |
1999-10-12 |
 West Juryo #9Kayo |
1999-07-14 |
 East Juryo #10Kazekeno |
1999-06-04 |