Rikishi Profile
Basic Information
| Hamayutaka Koki | |
| Stable | Tokitsukaze |
|---|---|
| Name | Koki Hayasaka |
| Ring Name | Hamayutaka |
| Current Rank | Makushita #9 |
| Birthday | November 17, 1995 |
| Birthplace | Kanagawa |
| Height | 183.2cm |
| Weight | 136.2kg |
| Signature Maneuver | /oshi |
Tournament Records
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2025 May
West Makushita #9 Hamayutaka Koki 0-0 |
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2025 March
West Makushita #14 Hamayutaka Koki 4-3 |
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| Asashiyu | Chiyomaru | Satorufuji | Nobehara | Asahakuryu | Inami | Kazenoumi | |||||||||
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2025 January
East Makushita #29 Hamayutaka Koki 5-2 |
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| Kitadaichi | Yutakasho | Hananoumi | Seihakuho | Fujinoyama | Tochiseiryu | Fukai | |||||||||
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2024 November
West Makushita #23 Hamayutaka Koki 3-4 |
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| Yuma | Yutakasho | Asonoyama | Tosamidori | Tochiseiryu | Tsushimanada | Kotokenryu | |||||||||
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2024 September
East Makushita #31 Hamayutaka Koki 4-3 |
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| Tendozan | Hinataryu | Inami | Kyokukaiyu | Toseiryu | Tosamidori | Wakatakamoto | |||||||||
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2024 July
East Makushita #47 Hamayutaka Koki 5-2 |
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| Dewanojo | Hinataryu | Taiga | Kurohimeyama | Takakento | Tochikodai | Awanokuni | |||||||||
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2024 May
West Makushita #22 Hamayutaka Koki 1-6 |
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| Fukai | Yoshiyasu | Fujinoyama | Asakoki | Narutaki | Asonoyama | Hokutomaru | |||||||||
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2024 March
West Makushita #38 Hamayutaka Koki 5-2 |
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| Yoshiyasu | Asakoki | Akinoyama | Kotoozutsu | Asonoyama | Shiroma | Ryusei | |||||||||
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2024 January
East Sandanme #14 Hamayutaka Koki 6-1 |
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| Okinohama | Kazeeidai | Chiyotaiho | Chiyoraizan | Wakatakamoto | Fujiseiun | Kotodaishin | |||||||||
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2023 November
East Sandanme #41 Hamayutaka Koki 5-2 |
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| Hodaka | Gohakuun | Haruminato | Suyama | Fukutsuumi | Hinataryu | Ishii | |||||||||
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2023 September
West Sandanme #24 Hamayutaka Koki 3-4 |
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| Mishima | Kiyota | Fujinowaka | Nishikikuni | Kazeeidai | Denuma | Tenei | |||||||||
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2023 July
West Sandanme #38 Hamayutaka Koki 4-3 |
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| Harunishiki | Nishikikuni | Shunrai | Oba | Okinofuji | Hokutoryu | Murayama | |||||||||
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2023 May
West Sandanme #19 Hamayutaka Koki 3-4 |
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| Nishida | Hakuonada | Daiyusho | Taiyo | Shuji | Kamitani | Suzaki | |||||||||
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2023 March
West Makushita #54 Hamayutaka Koki 2-5 |
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| Sadanohikari | Shuji | Dewataikai | Fujinowaka | Otani | Naya | Chiyoraizan | |||||||||
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2023 January
West Makushita #19 Hamayutaka Koki 0-7 |
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| Shishi | Chiyonokatsu | Kiryuko | Narutaki | Kototsubasa | Kotohaguro | Wakazakura | |||||||||
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2022 November
West Makushita #11 Hamayutaka Koki 2-5 |
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| Chiyoarashi | Kamito | Tochimaru | Nishinoryu | Yuma | Chiyotora | Kanzaki | |||||||||
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2022 September
West Makushita #30 Hamayutaka Koki 6-1 |
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| Osanai | Asakoki | Yuma | Inoue | Onojo | Otsuji | Ryuo | |||||||||
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2022 July
West Makushita #8 Hamayutaka Koki 1-6 |
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| Kainoshima | Tochikamiyama | Kitaharima | Fukai | Daishomaru | Chiyoarashi | Kamitani | |||||||||
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2022 May
East Makushita #15 Hamayutaka Koki 5-2 |
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| Wakatakamoto | Kairyu | Hatooka | Tomokaze | Fujiseiun | Kainoshima | Oshoryu | |||||||||
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2022 March
East Makushita #20 Hamayutaka Koki 4-3 |
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| Fujitoshi | Daiseiryu | Tsukahara | Otsuji | Onojo | Yutakasho | Shonannoumi | |||||||||
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2022 January
East Makushita #28 Hamayutaka Koki 4-3 |
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| Ichiki | Daiseiryu | Otsuji | Hokutenkai | Kototsubasa | Obara | Nionoumi | |||||||||
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2021 November
West Makushita #24 Hamayutaka Koki 3-4 |
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| Tosamidori | Ichiki | Nionoumi | Tanabe | Nishinoryu | Tochinobori | Sasakiyama | |||||||||
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2021 September
East Makushita #17 Hamayutaka Koki 3-4 |
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| Shimazuumi | Sasakiyama | Tosamidori | Tochiseiryu | Tamashoho | Kirinofuji | Asagyokusei | |||||||||
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2021 July
East Makushita #10 Hamayutaka Koki 3-4 |
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| Kairyu | Tochiseiryu | Chiyootori | Tosamidori | Shishi | Fukamiyama | Hokutenkai | |||||||||
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2021 May
East Makushita #15 Hamayutaka Koki 4-3 |
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| Sakigake | Terasawa | Hokaho | Tanabe | Tamashoho | Kairyu | Kitanowaka | |||||||||
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2021 March
East Makushita #20 Hamayutaka Koki 4-3 |
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| Tsurubayashi | Kotoyusho | Omoto | Nihonyanagi | Terasawa | Kainoshima | Tochiseiryu | |||||||||
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2021 January
West Makushita #48 Hamayutaka Koki 6-1 |
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| Onojo | Akinoyama | Nihonyanagi | Toshoyama | Tsushimanada | Wakanoumi | Ryusei | |||||||||
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2020 November
East Makushita #30 Hamayutaka Koki 2-5 |
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| Narutaki | Akinoyama | Tamakongo | Mudoho | Amanoshima | Wakanoumi | Asahisho | |||||||||
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2020 September
West Makushita #39 Hamayutaka Koki 4-3 |
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| Tennozan | Keitenkai | Tochikodai | Genki | Wayama | Okinofuji | Kototsubasa | |||||||||
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2020 July
West Makushita #35 Hamayutaka Koki 3-4 |
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| Amakaze | Tsurubayashi | Tochinobori | Nankairiki | Tochikamiyama | Shosei | Hiradoumi | |||||||||
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2020 March
East Makushita #54 Hamayutaka Koki 5-2 |
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| Sadanohikari | Chiyoraizan | Inoue | Kainishiki | Tochinobori | Kotoseigo | Shuji | |||||||||
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2020 January
East Makushita #42 Hamayutaka Koki 3-4 |
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| Nakazono | Kijuin | Takakento | Chiyoraizan | Kototsubasa | Mugendai | Chiyonokatsu | |||||||||
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2019 November
East Sandanme #2 Hamayutaka Koki 5-2 |
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| Byakko | Kitadaichi | Dewanojo | Munakata | Asahisho | Oginosho | Tamakongo | |||||||||
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2019 September
West Makushita #50 Hamayutaka Koki 3-4 |
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| Byakko | Onojo | Nakazono | Yamatoarashi | Narutaki | Fukuyama | Itadaki | |||||||||
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2019 July
East Makushita #32 Hamayutaka Koki 2-5 |
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| Tokushinho | Asahisho | Higoarashi | Kotoseigo | Nionoumi | Okinofuji | Mugendai | |||||||||
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2019 May
East Makushita #41 Hamayutaka Koki 4-3 |
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| Oazuma | Kotohayato | Hatooka | Kotoyusho | Nionoumi | Omoto | Tochimaru | |||||||||
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2019 March
East Makushita #34 Hamayutaka Koki 3-4 |
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| Higonojo | Obamaumi | Fukuyama | Kirinofuji | Nionoumi | Chiyonoo | Takemasa | |||||||||
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2019 January
East Makushita #21 Hamayutaka Koki 2-5 |
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| Takaryu | Kairyu | Ichiyamamoto | Tamaki | Tokushinho | Kitaharima | Bushozan | |||||||||
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2018 November
West Makushita #27 Hamayutaka Koki 4-3 |
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| Aomihama | Ichiyamamoto | Mugendai | Nishikifuji | Chiyosakae | Kiseoka | Okinofuji | |||||||||
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2018 September
West Makushita #32 Hamayutaka Koki 4-3 |
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| Aomihama | Mugendai | Kiseoka | Asahiryu | Shonannoumi | Masutoo | Nishikifuji | |||||||||
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2018 July
West Makushita #51 Hamayutaka Koki 5-2 |
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| Asakoki | Chiyosakae | Takayoshitoshi | Kotokino | Tsushimanada | Bushozan | Kirinofuji | |||||||||
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2018 May
West Makushita #45 Hamayutaka Koki 3-4 |
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| Kotokuzan | Kansei | Nankairiki | Asahisho | Tomisakae | Fukugoriki | Saidaiji | |||||||||
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2018 March
West Makushita #28 Hamayutaka Koki 2-5 |
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| Kotokobai | Kotokuzan | Kotodaigo | Sagatsukasa | Tsushimanada | Sakigake | Chiyosakae | |||||||||
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2018 January
West Makushita #37 Hamayutaka Koki 4-3 |
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| Oazuma | Ichiki | Midorifuji | Kaito | Tomokaze | Kotokobai | Komanokuni | |||||||||
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2017 November
East Makushita #21 Hamayutaka Koki 2-5 |
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| Daishoryu | Kaito | Tokushinho | Fukugoriki | Terao | Asahiryu | Akinoyama | |||||||||
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2017 September
West Makushita #25 Hamayutaka Koki 4-3 |
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| Akinohana | Daishoryu | Tamaki | Tsurubayashi | Kaito | Shiba | Kairyu | |||||||||
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2017 July
East Makushita #17 Hamayutaka Koki 3-4 |
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| Keitenkai | Kotaro | Hokaho | Gokushindo | Kotodaigo | Kizaki | Akua | |||||||||
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2017 May
West Makushita #40 Hamayutaka Koki 6-1 |
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| Gochozan | Nogami | Gokushindo | Masutoo | Kotokamatani | Tochiminato | Ikegawa | |||||||||
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2017 March
West Makushita #48 Hamayutaka Koki 4-3 |
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| Genkaiho | Kotokuzan | Onami | Ryuonami | Kainoryu | Byakko | Fukugoriki | |||||||||
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2017 January
West Sandanme #11 Hamayutaka Koki 5-2 |
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| Kotootori | Kainishiki | Onami | Kaizen | Nakazono | Kaiseio | Chiyonoumi | |||||||||
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2016 November
West Makushita #59 Hamayutaka Koki 3-4 |
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| Akinoyama | Shonannoumi | Kotohayato | Ozora | Koshinoryu | Omoto | Okoryu | |||||||||
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2016 September
West Sandanme #22 Hamayutaka Koki 5-2 |
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| Kototsubasa | Shingaku | Haruzakura | Hokutoshu | Chiyoarashi | Kiribayama | Azumasato | |||||||||
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2016 July
West Sandanme #5 Hamayutaka Koki 3-4 |
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| Mitotsukasa | Hitenryu | Chiyonokatsu | Hamaeiko | Higoarashi | Ishii | Gokushindo | |||||||||
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2016 May
West Sandanme #57 Hamayutaka Koki 6-1 |
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| Tokinowaka | Shobushi | Yoshinokuni | Miyauchi | Kotodaigo | Tsukimoto | Kotorikuzan | |||||||||
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2016 March
East Sandanme #77 Hamayutaka Koki 4-3 |
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| Tochikasuga | Iida | Wakasenryu | Sadanohana | Ikinoshima | Kotoryusei | Kotohayato | |||||||||
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2016 January
East Sandanme #50 Hamayutaka Koki 2-5 |
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| Tochikasuga | Gorikiyama | Kotorikisen | Takatenshu | Okinoiwa | Amanishiki | Yakabe | |||||||||
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2015 November
West Sandanme #31 Hamayutaka Koki 3-4 |
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| Tsurunoumi | Gorikiyama | Tokinowaka | Kotodairyu | Karatsuumi | Chiyoraizan | Wakanofuji | |||||||||
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2015 September
West Sandanme #61 Hamayutaka Koki 5-2 |
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| Komatsukasa | Kotorikuzan | Burinosato | Kai | Teraoumi | Mitotsukasa | Tochikasuga | |||||||||
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2015 July
West Sandanme #43 Hamayutaka Koki 3-4 |
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| Kotorikuzan | Wakarikido | Notoazuma | Komatsukasa | Kyokuhozan | Amanoshima | Saio | |||||||||
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2015 May
West Sandanme #28 Hamayutaka Koki 3-4 |
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| Notoazuma | Wakarikido | Sadanokuni | Aomihama | Maeta | Koike | Orora | |||||||||
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2015 March
East Makushita #58 Hamayutaka Koki 2-5 |
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| Takagenji | Mizuta | Takamisato | Karatsuumi | Chiyoraizan | Oazuma | Sasayama | |||||||||
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2015 January
East Sandanme #23 Hamayutaka Koki 5-2 |
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| Takagenji | Kaiseio | Genkaiho | Kotodairyu | Otakayama | Aiyama | Sadanokuni | |||||||||
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2014 November
East Sandanme #36 Hamayutaka Koki 4-3 |
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| Sumanoumi | Tochikasuga | Shinohara | Kawaraumi | Shiroryu | Genkaiho | Gonoumi | |||||||||
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2014 September
West Sandanme #48 Hamayutaka Koki 4-3 |
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| Tochikasuga | Hokutotsuru | Tsurunoumi | Fukuyamato | Kakehashi | Owaka | Aomihama | |||||||||
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2014 July
East Sandanme #33 Hamayutaka Koki 3-4 |
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| Hagane | Tochinobori | Genkaiho | Sadanokuni | Dewanosato | Kotodairyu | Kainishiki | |||||||||
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2014 May
East Sandanme #59 Hamayutaka Koki 5-2 |
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| Asanotosa | Tokinowaka | Wakanofuji | Kototsubasa | Hamakasuga | Hienriki | Sakae | |||||||||
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2014 March
East Sandanme #75 Hamayutaka Koki 4-3 |
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| Dewanosato | Miura | Oisato | Tochigidake | Hasugeyama | Kotozensho | Kiriarashi | |||||||||
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2014 January
West Sandanme #63 Hamayutaka Koki 3-4 |
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| Manazuru | Tosahikari | Kai | Hokutoo | Tsubomi | Takatenshu | Sakabe | |||||||||
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2013 November
West Sandanme #51 Hamayutaka Koki 3-4 |
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| Mitotsukasa | Ikinoshima | Azumasato | Gonoumi | Daishowaka | Kotokuzan | Koshinonami | |||||||||
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2013 September
West Sandanme #69 Hamayutaka Koki 4-3 |
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| Akatsuki | Kaganohana | Daichi | Saio | Yotsugamine | Shinzan | Hasugeyama | |||||||||
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2013 July
West Jonidan #1 Hamayutaka Koki 5-2 |
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| Daika | Haruzakura | Hasugeyama | Taketoba | Kyokuryuo | Ebisumaru | Burinosato | |||||||||
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2013 May
West Jonidan #22 Hamayutaka Koki 4-3 |
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| Masuryu | Baraki | Seiomaru | Onosho | Ishiura | Kotoseigo | Hatakeyama | |||||||||
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2013 March
West Sandanme #86 Hamayutaka Koki 2-5 |
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| Suekawa | Kirinofuji | Aragyoshi | Terunosato | Tochigidake | Kotohayato | Torinzan | |||||||||
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2013 January
West Jonidan #5 Hamayutaka Koki 4-3 |
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| Daika | Tochinokuni | Manazuru | Tamakaizan | Kasugasato | Yato | Hatachijo | |||||||||
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2012 November
West Jonidan #42 Hamayutaka Koki 5-2 |
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| Azumashu | Higonohana | Kasugasato | Asakoki | Morigaki | Hamaazuma | Hokutomori | |||||||||
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2012 September
West Jonidan #89 Hamayutaka Koki 5-2 |
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| Kitanomine | Miyake | Hakubizan | Morigaki | Hokutosho | Kotoyoshikane | Kotofubuki | |||||||||
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2012 July
West Jonidan #29 Hamayutaka Koki 0-7 |
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| Azumanami | Hokutonami | Daitenyu | Adachi | Osato | Sakaefuji | Hokuyozan | |||||||||
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2012 May
East Jonidan #72 Hamayutaka Koki 5-2 |
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| Hyugaryu | Kototora | Kirimaru | Tochitensho | Oseumi | Mitani | Hoshikabuto | |||||||||
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2012 March
East Jonidan #37 Hamayutaka Koki 2-5 |
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| Hirose | Masutenryu | Hisatsukasa | Mutsukaze | Motokiyama | Daika | Ounoyama | |||||||||
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2012 January
West Jonidan #63 Hamayutaka Koki 4-3 |
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| Rokumonsen | Kotoyoshikane | Daiisshin | Kitasatsuma | Hokuyozan | Masutenryu | Torinzan | |||||||||
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2011 November
West Jonokuchi #9 Hamayutaka Koki 5-2 |
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| Shikinokawa | Daishiryu | Ikeru | Raizan | Mori | Kumamoto | Hasegawa | |||||||||
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2011 September
West Jonokuchi #12 Hamayutaka Koki 2-5 |
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| Azumayama | Makino | Minatoryu | Shikinokawa | Masuamami | Wakayamanaka | Kotoharada | |||||||||
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2011 July
West Jonokuchi #14 Hamayutaka Koki 2-5 |
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| Tamaki | Hirasawa | Daishohama | Sakaefuji | Hokanyama | Wakayamanaka | Hayashi |
- ○･･･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.
Stablemates
 west maegashira #10Shodai |
Tokitsukaze |
 east maegashira #13Tokihayate |
Tokitsukaze |
Rikishi from Kanagawa Prefecture
 West Maegashira #15Shonannoumi |
Kanagawa |
 East Juryo #7Tomokaze |
Kanagawa |
East Maegashira #10
East Juryo #4