Games Between Two Players
Hikosaka Naoto (1 win; 1 loss) vs. Iwata Tatsuaki
| Game Date and Game Description | |||||
| Black | White | Result | Replay | Download | |
 [2008-11-20] 48th Japanese Judan, preliminary
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| Hikosaka Naoto 9p | Iwata Tatsuaki 9p | B+R |  |
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| [1985-06-27] 26th Japanese Okan, round 2
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| Iwata Tatsuaki 9p | Hikosaka Naoto 6p | B+R | |
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