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Kouji OkamotoVS川田周平
| - | JPBA Ranking | - |
| Best8('25,'02) | The best performance in JAPAN OPEN | - |
| 0.4545(5/11) | Winning percentage after best16 | - |
| 0.5000(5/10) | Total winning percentage on hill to hill | 1.0000(1/1) |
| 0.0417(1/24) | Finals/best16 | - |
Scoreline of Kouji Okamoto and 川田周平 (1 - 1 / 1 lines)
2017
Kouji Okamoto |
川田周平 |
|
| 80 | 20.05.20172017 All Japan 14-1 ChampionshipQ-2 | 22 |