Nakano Cup
Keywords: Tournament
(中野杯U20選手権) Nakano Cup U20 Championship was a Japanese unofficial tournament held from 2004 to 2013. It was privately sponsored by Nakano Koji (中野孝次), author of some best-sellers in Japan. Pros under 20 and some inseis competed. Succeeded by Yucho Cup after Nakano's death.
| 1st | 2004 | Seto Taiki 5 dan | Ohashi Hirofumi 3 dan |
| 2nd | 2005 | Iyama Yuta 4 dan | Ko Iso 4 dan |
| 3rd | 2006 | Iyama Yuta 7 dan | Xie Yimin 3 dan |
| 4th | 2007 | Iyama Yuta 7 dan | Ko Iso 7 dan |
| 5th | 2008 | Ri Ishu 4 dan | Murakawa Daisuke 4 dan |
| 6th | 2009 | Murakawa Daisuke 5 dan | Shida Tatsuya 3 dan |
| 7th | 2010 | Murakawa Daisuke 5 dan | Shida Tatsuya 3 dan |
| 8th | 2011 | Suzuki Shinji 3 dan | Terayama Rei 2 dan |
| 9th | 2012 | Ichiriki Ryo 2 dan | Son Makoto 2 dan |
| 10th | 2013 | Kyo Kagen 1 dan | Hirata Tomoya 3 dan |
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