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| Cho U Jyudan 2 - 3 Iyama Yuta Challenger | |||
| Date(2011) | Venue | Result | |
| 1 | March.3 | Osaka | Cho U(B) won by resign |
| 2 | March. 24 | Tokyo | Iyama(B) won by resign |
| 3 | April. 7 | Nagano | Cho U(B) won by resign |
| 4 | April. 22 | Tokyo | Iyama(B) won by 3.5 |
| 5 | April. 29 | Tokyo | Iyama(B) won by resign |
| Final | |||
| Date | Players | Venue | Result |
| Feb. 10, 2011 | Iyama Takao |
Nihon Kiin Osaka |
Iyama (W) won by resign |
| The 49th Judan Tournament | |||||
| Player | Round 1 | Round 2 | Round 3 | Round 4 | |
| Anzai Nobuaki | 1 | Anzai 6/3 |
Anzai 8/12 |
Yamashita 9/4 |
Iyama 9/27 |
| Shuto Shun | |||||
| Akiyama Jiro | 2 | Cho 6/17 |
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| Cho Chikun | |||||
| O Rissei | 3 | Ri 6/17 |
Yamashita 7/29 |
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| Ri Ishu | |||||
| Yamashita Keigo | 4 | Yamashita 6/3 |
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| Sakai Hideyuki | |||||
| Iyama Yuta | 5 | Iyama 7/1 |
Iyama 7/22 |
Iyama 8/12 |
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| Kono Rin | |||||
| Yamashiro Hiroshi | 6 | Hane 5/20 |
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| Hane Naoki | |||||
| Takao Shinji | 7 | So 5/20 |
Ko 7/22 |
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| So Yokoku | |||||
| Ko Iso | 8 | Ko 5/20 |
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| Kurahashi Masayuki | |||||
| The 49th Judan Tournament (losers'tournament) | ||||||
| Player | Round 1 | Round 2 | Round 3 | Round 4 | Round 5 | |
| 1 | Shuto Shun | Akiyama 7/29 |
Akiyama 9/16 |
Takao 10/28 |
Takao 12/16 |
Takao 1/20 |
| 2 | Akiyama Jiro | |||||
| 3 | O Rissei | Sakai 8/9 |
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| 4 | Sakai Hideyuki | |||||
| 5 | Kono Rin | Kono 8/5 |
Takao 8/19 |
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| 6 | Yamashiro Hiroshi | |||||
| 7 | Takao Shinji | Takao 7/8 |
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| 8 | Kurahashi Masayuki | |||||
| 9 | Yamashita Keigo | |||||
| 10 | Cho Chikun | Cho 9/2 |
Cho 10/14 |
Ko 11/4 |
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| 11 | Ri Ishu | |||||
| 12 | Hane Naoki | Hane 8/27 |
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| 13 | So Yokoku | |||||
| 14 | Anzai Nobuaki | Ko 10/14 |
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| 15 | Ko Iso | |||||