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 | 178.0cm |
| Weight | 112.7kg |
| 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:
- 118-96-3
- Makuuchi Records:
- 0-0
as of July 2026
Most-Used Winning Techniques
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- yorikiri
- 32%
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- uwatenage
- 23%
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- shitatenage
- 14%
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- etc
- 31%
22wins 42matches
Tournament Records
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | |
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2026 July
East Makushita #21 Osanai Koju 0-0 |
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2026 May
East Makushita #19 Osanai Koju 3-4 |
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| Kyokumizuno | Uzumasa | Ikarigata | Gonoumi | Kitadaichi | Kazenoumi | Tochimaru | |||||||||
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2026 March
West Makushita #32 Osanai Koju 5-2 |
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| Oyamada | Uzumasa | Ikarigata | Akua | Shiroma | Hananoumi | Kiyota | |||||||||
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2026 January
West Makushita #21 Osanai Koju 3-4 |
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| Akua | Kaki | Shiroma | Obara | Dewataikai | Ikarigata | Asonoyama | |||||||||
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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 |
- ○･･･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
- September
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- Makushita #27
- November
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- Makushita #21
- January
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- Makushita #32
- March
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- Makushita #19
- May
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- Makushita #21
- July
- Debut
- March, 2021
- Highest Rank
- Makushita #5
Stablemates
 east maegashira #10Asanoyama |
Takasago |
 east maegashira #12Asahakuryu |
Takasago |
 west maegashira #16Asakoryu |
Takasago |
 east juryo #1Asasuiryu |
Takasago |
Rikishi from Aomori Prefecture
 East Maegashira #13Nishikifuji |
Aomori |
 West Maegashira #13Takerufuji |
Aomori |
Rikishi of same age (Born in 1999)
 East YokozunaHoshoryu |
1999-05-22 |
 West SekiwakeKotoshoho |
1999-08-26 |
 West Maegashira #8Roga |
1999-03-02 |
| East Maegashira #12 Asahakuryu |
1999-01-08 |
| West Maegashira #13 Takerufuji |
1999-04-09 |
 West Juryo #6Kazekeno |
1999-06-04 |
 West Juryo #8Hatsuyama |
1999-11-05 |
 East Juryo #9Shirokuma |
1999-05-25 |
 West Juryo #12Kayo |
1999-07-14 |
 East Juryo #14Tochitaikai |
1999-10-12 |