We're supplying the professional players lists equipped with enormous data.
Grand Prix East 2026 4th Livescores are now available.
https://billi-walker.jp/en/jpba/grandprixeast/2026-4th
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Hisashi YAMAMOTOVSKouji Okamoto
RATING(2026-06-21)
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1,733RATING
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170RANK
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1,798
2024-10-12
MAX
RATING(2026-06-21)
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-RATING
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-RANK
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1,702
2025-12-21
MAX
| 115位 | 2026JPBA Ranking | - |
| Best4('04) | The best performance in JAPAN OPEN | Best8('25,'02) |
| 0.5401(74/137) | Winning percentage after best16 | 0.4545(5/11) |
| 0.4429(31/70) | Total winning percentage on hill to hill | 0.5000(5/10) |
| 0.1503(26/173) | Finals/best16 | 0.0417(1/24) |
Comparison of past ranking
Scoreline of Hisashi YAMAMOTO and Kouji Okamoto (1 - 2 / 2 lines)
2024
Hisashi YAMAMOTO |
Kouji Okamoto |
|
| 7 | 08.12.2024Quarter-finals2024 JPBA Senior Open | 3 |
2002
Hisashi YAMAMOTO |
Kouji Okamoto |
|
| 11 | 24.11.2002Round of 322002 All Japan Championship | 5 |