| - | JPBA Ranking | - |
| Best4 | The best performance in JPBA EastG3 | Champion |
| 0.6154(8/13) | Winning percentage after best16 | 0.4237(25/59) |
| 0.5000(1/2) | Total winning percentage on hill to hill | 0.4375(14/32) |
| 0.1667(1/6) | Finals/best16 | 0.3662(26/71) |
中東素子 |
Rika Okumura |
|
| ? | 18.04.1999Quarter-finals1999 East Japan Ladies Tour 3nd | 7 |
| 1 | 10.04.1999Semi-finals1999 East Japan Ladies Tour 2nd | 7 |
