Games Between Two Players
Hikosaka Naoto (1 win; 1 loss) vs. Kubo Katsuaki
| Game Date and Game Description | |||||
| Black | White | Result | Replay | Download | |
 [2002-07-14] 50th Japanese NHK Cup, round 1
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| Kubo Katsuaki 9p | Hikosaka Naoto 9p | B+6.5 |  |
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| [1984-06-24] 32nd Japanese NHK Cup, round 1
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| Hikosaka Naoto 6p | Kubo Katsuaki 8p | B+R | |
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