| - | JPBA Ranking | - |
| Best4('89) | The best performance in All JAPAN CHAMPIONSHP | Champion('91,'87) |
| 0.5714(8/14) | Winning percentage after best16 | 0.6875(11/16) |
| 0.5000(1/2) | Total winning percentage on hill to hill | 0.5000(2/4) |
| 0.2222(2/9) | Finals/best16 | 0.2667(4/15) |
Tsutomu OSHIRO |
Junichi KOSUGI |
|
| - | 26.01.1992Round of 161992 West Japan Pro Tour 1st | 8 |
Tsutomu OSHIRO |
Junichi KOSUGI |
|
| 0 | 20.11.1988Round of 161988 All Japan ChampionshipRotation | 360 |
| 6 | 16.10.1988Round of 321988 Hokuriku Open | 7 |
