| - | JPBA Ranking | - |
| Best4('88,'88) | The best performance in All JAPAN CHAMPIONSHP | - |
| 0.5000(4/8) | Winning percentage after best16 | 0.3333(2/6) |
| 0.2500(1/4) | Total winning percentage on hill to hill | - |
| 0.0000(0/12) | Finals/best16 | 0.0000(0/5) |
Kenji Nagaya |
広川賢一郎 |
|
| - | 16.01.1989Round of 641989 Japan Open | 7 |
