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| white | black | year | event | guessed | |
| Hashimoto Utaro (8p) | Hashimoto Shoji (4p) | 1951 | Oteai | | start |
| Fujisawa Kuranosuke (9p) | Go Seigen (9p) | 1951 | Ten-game match sponsored by Yomiuri Shinbun | | start |
| Fujisawa Hideyuki (6p) | Iwamoto Kaoru (8p) | 1951 | 7th Honinbo | | start |
| Miyashita Shuyo (7p) | Iwamoto Kaoru (8p) | 1951 | 7th Honinbo | | start |
| Takagawa Kaku (7p) | Kajiwara Takeo (6p) | 1951 | 7th Honinbo | | start |
| Hayashi Yutaro (7p) | Segawa Yoshio (5p) | 1951 | 7th Honinbo | | start |
| Tainaka Shin (7p) | Shinohara Masami (7p) | 1951 | 7th Honinbo | | start |
| Takagawa Kaku (7p) | Sumino Takeshi (6p) | 1951 | 7th Honinbo | | start |
| Takagawa Kaku (7p) | Sumino Tsunehiro (6p) | 1951 | Honinbo, 7th | | start |
| Hashimoto Utaro (8p) | Tainaka Shin (7p) | 1951 | Oteai | | start |
| Shimamura Toshihiro (7p) | Takagawa Kaku (7p) | 1951 | 7th Honinbo | | start |
| Go Seigen (9p) | Fujisawa Hosai (9p) | 1951 | | | start |
| Go Seigen (9p) | Fujisawa Kuranosuke (9p) | 1951 | Four-game match sponsored by Mainichi Shinbun | | start |
| Fujisawa Kuranosuke (9p) | Go Seigen (9p) | 1951 | Four-game match sponsored by Mainichi Shinbun | | start |
| Tainaka Shin (7p) | Hasegawa Akira (7p) | 1951 | 7th Honinbo League | | start |
| Miyashita Shuyo (7p) | Sakata Eio (7p) | 1951 | 7th Honinbo League | | start |
| Takagawa Kaku (7p) | Segawa Yoshio (5p) | 1951 | 7th Honinbo League | | start |
| Takagawa Kaku (7p) | Seo Hisashi (5p) | 1951 | Japan Promotion Tournament, 1951 | | start |
| Hashimoto Utaro (8p) | Suzuki Kensho (5p) | 1951 | Five Player event sponosred by Kobe newspaper | | start |
| Iwamoto Kaoru (8p) | Go Seigen (9p) | 1951 | Go vs. 7 and 8-dans Series, sponsored by Yomiuri Shinbun | | start |
| Go Seigen (9d) | Hashimoto Utaro (8d) | 1951 | Sponsored by Yomiuri Shinbun | | start |
| Sakata Eio (7p) | Hashimoto Utaro (8p) | 1951 | 6th Honinbo Final | | start |
| Fujisawa Shuko (6p) | Kajiwara Takeo (6p) | 1951 | Japan Promotion Tournament, 1951 | | start |
| Takagawa Kaku (7p) | Nakagawa Shinji (5p) | 1951 | Japan Promotion Tournament, 1951 | | start |
| Hashimoto Utaro (8p) | Ogawa Masaharu (4p) | 1951 | Kansai Ki-in Oteai | | start |
