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| Cho U Jyudan VS. Yamashita Keigo Challenger | |||
| Date(2010) | Venue | Result | |
| 1 | March. 4 | Niigata | Cho U(B) won by resign |
| 2 | March. 25 | Tokyo | Cho U(W) won by 1.5 |
| 3 | April. 8 | Nagano | Cho U(B) won by resign |
| 4 | April. 23 | Tokyo | --- |
| 5 | April. 30 | Tokyo | --- |
| Final | |||
| Date | Players | Venue | Result |
| Jan. 21, 2009 | Takao Yamashita |
Nihon Kiin | Yamashita (B) won by resign |
| The 48th Judan Tournament | |||||
| Player | Round 1 | Round 2 | Round 3 | Round 4 | |
| O Meien | 1 | O meien 5/14 |
Lee 7/23 |
Takao 9/10 |
Takao 10/15 |
| Tsuruyama Atsushi | |||||
| Yamada Kimio | 2 | Lee 5/28 |
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| Lee Yi Hsiu | |||||
| Takao Shinji | 3 | Takao 5/21 |
Takao 8/20 |
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| Nakamura Shinya | |||||
| Cho Chikun | 4 | So 5/28 |
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| So Yokoku | |||||
| Shuto Shun | 5 | Shuto 5/28 |
Akiyama 7/16 |
O Rissei 9/24 |
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| Hikosaka Naoto | |||||
| Iyama Yuta | 6 | Akiyama 6/18 |
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| Akiyama Jiro | |||||
| Yamashita Keigo | 7 | O Rissei 5/14 |
O Rissei 8/13 |
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| O Rissei | |||||
| Yamashiro Hirosshi | 8 | Huang 5/21 |
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| Huang Yih Tzuu | |||||
| The 47th Judan Tournament (losers'tournament) | ||||||
| Player | Round 1 | Round 2 | Round 3 | Round 4 | Round 5 | |
| 1 | Tsuruyama | Tsuruyama 7/9 |
Cho 7/30 |
Yamashita 9/23 |
Yamashita 11/5 |
Yamashita 12/25 |
| 2 | Yamada | |||||
| 3 | Nakamura | Cho 6/25 |
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| 4 | Cho Chikun | |||||
| 5 | Hikosaka | Hikosaka 7/16 |
Yamashita 8/27 |
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| 6 | Iyama | |||||
| 7 | Yamashita | Yamashita 6/18 |
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| 8 | Yamashiro | |||||
| 9 | O Rissei | |||||
| 10 | O Meien | So 9/17 |
Shuto 10/8 |
Lee 11/5 |
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| 11 | So Yokoku | |||||
| 12 | Shuto Shun | Shuto 9/3 |
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| 13 | Huang | |||||
| 14 | Lee Yi Hsiu | Lee 10/15 |
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| 15 | Akiyama Jiro | |||||