| Highest Rank | Komusubi |
| Real Name | KOIWAI Yasutoshi |
| Birth Date | July 8, 1971 |
| Shusshin | Chiba-ken, Ichikawa-shi |
| Height and Weight | 185 cm 137 kg |
| Heya | Dewanoumi |
| Shikona | Koiwai Yasutoshi - Oginoshu Yasutoshi - Oginishiki Yasutoshi |
| Hatsu Dohyo | 1987.03 |
| Intai | 2004.01 |
| Kabu | Nakadachi Yasutoshi - Nakadachi Yasuteru |
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| Career Record | 605-585-107/1185 (102 basho) |
| In Makuuchi | 299-359-47/656 (47 basho), 2 Gino-Sho, 1 Shukun-Sho, 1 Kanto-Sho, 2 Kinboshi |
| As Komusubi | 4-11/15 (1 basho) |
| As Maegashira | 295-348-47/641 (46 basho), 2 Gino-Sho, 1 Shukun-Sho, 1 Kanto-Sho, 2 Kinboshi |
| In Juryo | 195-160-48/352 (27 basho), 2 Yusho |
| In Makushita | 38-25/63 (9 basho) |
| In Sandanme | 46-31/77 (11 basho) |
| In Jonidan | 19-9/28 (4 basho) |
| In Jonokuchi | 8-1-12/9 (3 basho) |
| In Mae-zumo | 1 basho |
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