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| white | black | year | event | guessed | |
| Hasegawa Akira (4p) | Go Seigen (3p) | 1930 | Super Go | | start |
| Segoe Kensaku (7p) | Go Seigen (3p) | 1930 | | | start |
| Go Seigen (3p) | Hasegawa Akira (4p) | 1930 | Super Go | | start |
| Hashimoto Utaro (4p) | Hasegawa Akira (4p) | 1930 | Young Players Take White competition, sponsored by Kido | | start |
| Kubomatsu Katsukiyo (6p) | Hashimoto Utaro (4p) | 1930 | Kansai 4-dans competition | | start |
| Kitani Minoru (5p) | Inoue Ichiro (3p) | 1930 | | | start |
| Kitani Minoru (5p) | Kubomatsu Katsukiyo (6p) | 1930 | | | start |
| Hashimoto Utaro (4p) | Mukai Kazuo (4p) | 1930 | Young Players Tournament, sponsored by Kido | | start |
| Segawa Yoshio (1p) | Takagawa Kaku (1p) | 1930 | Young Players Study Group | | start |
| Kitani Minoru (5p) | Go Seigen (3p) | 1930 | New Stars' Super Go | | start |
| Hashimoto Utaro (4p) | Kojima Shunichi (3p) | 1930 | | | start |
| Kitani Minoru (5p) | Masubuchi Tatsuko (3p) | 1930 | | | start |
| Tainaka Shin (1p) | Takagawa Kaku (1p) | 1930 | | | start |
| Tamura Noboru (3p) | Takagawa Kaku (1p) | 1930 | Kansai Study Group | | start |
| Kitani Minoru (5p) | Takahashi Shigeyuki (3p) | 1930 | | | start |
| Hashimoto Utaro (4p) | Go Seigen (3p) | 1930 | New Stars' Super Go | | start |
| Kato Shin (6p) | Kitani Minoru (5p) | 1930 | | | start |
| Go Seigen (3p) | Murata Seiko (3p) | 1930 | | | start |
| Kitani Minoru (5p) | Takahashi Shigeyuki (3p) | 1930 | | | start |
| Fujita Toyojiro (4p) | Go Seigen (3p) | 1930 | | | start |
| Fujita Toyojiro (4p) | Go Seigen (3p) | 1930 | "Archers of Yue versus Genius of Wu" series sponsored by Kido | | start |
| Go Seigen (3p) | Maeda Nobuaki (4p) | 1930 | New Stars' Super Go | | start |
| Hashimoto Utaro (4p) | Miyashita Shuyo (1p) | 1930 | | | start |
| Kitani Minoru (5p) | Takahashi Shigeyuki (3p) | 1930 | | | start |
| Hasegawa Akira (4p) | Go Seigen (4p) | 1931 | Not known | | start |
