Rikishi Profile
Basic Information
| Oshozan | |
| Stable | Naruto |
|---|---|
| Name | Hiroki Kobayashi |
| Ring Name | Kotokobayashi → Oshozan |
| Current Rank | Sandanme #58 |
| Birthday | May 11, 2000 |
| Birthplace | Yamanashi |
| Height | 168.5cm |
| Weight | 130.0kg |
| Signature Maneuver | |
Awards Won
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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
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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:
- 201-193-26
- Makuuchi Records:
- 0-0
as of July 2026
Most-Used Winning Techniques
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- oshidashi
- 65%
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- okuridashi
- 17%
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- oshitaoshi
- 4%
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- etc
- 14%
23wins 42matches
Tournament Records
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2026 July
West Sandanme #58 Oshozan 0-0 |
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2026 May
West Sandanme #48 Oshozan 3-4 |
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| Kaida | Rakanji | Asaobora | Takashoki | Chiyonoo | Akiyoshi | Kototaiga | |||||||||
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2026 March
West Sandanme #67 Oshozan 4-3 |
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| Tosashimizu | Sunasaka | Asanojo | Ayanofuji | Hikarumusashi | Suio | Minorufuji | |||||||||
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2026 January
East Jonidan #21 Oshozan 5-2 |
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| Kukio | Kotakiyama | Hokutoyoshi | Chiyoshiryu | Yukiamami | Kyokutaiga | Kototaiho | |||||||||
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2025 November
West Sandanme #73 Oshozan 3-4 |
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| Hikarumusashi | Amane | Kototaiga | Kazeyuki | Niya | Kyokushori | Teraosho | |||||||||
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2025 September
East Jonidan #29 Oshozan 5-2 |
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| Tamatensho | Fukuazuma | Kyoda | Sadanokuni | Amane | Matsuda | Kazunofuji |
- ○･･･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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- Jonidan #29
- September
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- Sandanme #73
- November
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- Jonidan #21
- January
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- Sandanme #67
- March
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- Sandanme #48
- May
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- Sandanme #58
- July
- Debut
- March, 2016
- Highest Rank
- Sandanme #18
west maegashira #5
west juryo #5Rikishi from Yamanashi Prefecture
 East Juryo #3Ryuden |
Yamanashi |
Rikishi of same age (Born in 2000)
 West YokozunaOnosato |
2000-06-07 |
 West KomusubiOho |
2000-02-14 |
 East Maegashira #3Hiradoumi |
2000-04-20 |
 East Maegashira #15Onokatsu |
2000-05-05 |
 East Maegashira #16Daiseizan |
2000-05-22 |
 East Juryo #1Asasuiryu |
2000-08-09 |
 West Juryo #1Kyokukaiyu |
2000-04-04 |
 West Juryo #4Toshinofuji |
2000-08-24 |
 East Juryo #5Kitanowaka |
2000-11-12 |
 West Juryo #9Nishinoryu |
2000-08-20 |