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| O Rissei Judan vs. Cho U Honinbo | |||
| Date | Venue | Result | |
| 1st | March 11 | Niigata | O (W) won by 9.5 |
| 2nd | March 26 | Okinawa | Cho (W) won by 1.5 |
| 3rd | April 08 | Nagano | O (W) won by resign |
| 4th | April 15 | Ehime | O (B) won by resign |
| 5th | April 28 | Gunma | --- |
| Final | |||
| Date | Players | Venue | Result |
| Feb. 5, 2004 | Cho U Honinbo O Meien 9D |
Nihon Kiin | Cho U (B) won by resign |
| The 42th Judan Tournament | ||||
| Miyazawa Goro | Kato M 6/12 |
Yoda 8/7 |
Yoda 9/15 |
Cho U 11/13 |
| Kato Masao | ||||
| Hane Naoki | Yoda 6/5 |
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| Yoda Norimoto | ||||
| Yokota Shigeaki | Yokota 5/22 |
Hashimoto 7/3 |
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| Yamashita keigo | ||||
| Hashimoto Yujiro | Hashimoto 5/15 |
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| Kataoka Satoshi | ||||
| Takao Shinji | Nakano 6/19 |
Cho U 8/21 |
Cho U 9/25 |
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| Nakano Hiroya | ||||
| Cho U | Cho U 7/31 |
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| Mimura Tomoyasu | ||||
| Kobayashi Izumi | O M 5/22 |
Cho C 8/15 |
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| O Meien | ||||
| Cho Chikun | Cho C 5/29 |
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| Yamada Kimio | ||||
| The 42th Judan Tournament (losers'tournament) | |||||
| Miyazawa Goro | Hane 7/17 |
Yamashita 8/14 |
Yamada 11/6 |
Yamada 12/11 |
O M 1/8 |
| Hane Naoki | |||||
| Yamashita keigo | Yamashita 6/19 |
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| Kataoka Satoshi | |||||
| Takao Shinji | Mimura 9/18 |
Yamada 10/20 |
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| Mimura Tomoyasu | |||||
| Kobayashi Izumi | Yamada 6/26 |
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| Yamada Kimio | |||||
| Yoda Norimoto | |||||
| Kato Masao | Kato M 10/2 |
O M 10/16 |
O M 11/20 |
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| Yokota Shigeaki | |||||
| Nakano Hiroya | O M 9/18 |
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| O Meien | |||||
| Hashimoto Yujiro | Hashimoto 10/23 |
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| Cho Chikun | |||||