| kid | Kisen | Sente | Gote | Date | Moves |
| 17071 | NHK Trophy | Kozo Masuda | Makoto Nakahara | 1976-01-16 | 108 |
| 10790 | Juni-sen | Kozo Masuda | Makoto Nakahara | 1971-12-08 | 114 |
| 8556 | Osho-sen | Kozo Masuda | Makoto Nakahara | 1971-10-28 | 104 |
| 8394 | NHK Trophy | Makoto Nakahara | Kozo Masuda | 1971-03-05 | 109 |
| 17205 | Osho-sen | Kozo Masuda | Makoto Nakahara | 1971-01-07 | 116 |
| 34262 | Deciding Strongest | Makoto Nakahara | Kozo Masuda | 1970-12-08 | 83 |
| 32830 | Osho-sen | Makoto Nakahara | Kozo Masuda | 1970-11-02 | 101 |
| 11005 | Juni-sen | Kozo Masuda | Makoto Nakahara | 1970-07-24 | 131 |
| 11157 | 10 dan-sen | Kozo Masuda | Makoto Nakahara | 1969-07-25 | 173 |
| 11013 | 10 dan-sen | Makoto Nakahara | Kozo Masuda | 1969-04-24 | 116 |
| 6874 | Kisei-sen | Makoto Nakahara | Kozo Masuda | 1968-05-27 | 125 |
| 25500 | Kisei-sen | Makoto Nakahara | Kozo Masuda | 1967-07-14 | 125 |