The 4th Meijin-sen Match
Place: Tokyo, Japan
Start: 1965-10-02, End: 1965-10-10
Rule: Classic, Games: 4
| Round 1 | ||||
|---|---|---|---|---|
| Black | Result | White | ||
 Isobe Taizan | 2078.18 | 1 : 0 | 1987.34 | Nishimura Toshio |
| Round 2 | ||||
| Black | Result | White | ||
| Nishimura Toshio | 1987.34 | 0 : 1 | 2078.18 | Isobe Taizan |
| Round 3 | ||||
| Black | Result | White | ||
| Isobe Taizan | 2078.18 | 0.5 : 0.5 | 1987.34 | Nishimura Toshio |
| Round 4 | ||||
| Black | Result | White | ||
| Nishimura Toshio | 1987.34 | 0 : 1 | 2078.18 | Isobe Taizan |