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Grand Prix West 2026 4th Open for entries
https://billi-walker.jp/en/jpba/grandprixwest/2026-4th
Tokai Grandprix and Tokai Ladies Grandprix 2026 Livescores are now available.
https://billi-walker.jp/en/jpba/tokai-grandprix/2026
Search Scores
Hideki YAMAKAWAVSKoushi HIRAI
Koushi HIRAI
0 wins
RATING(2026-07-05)
-
1,719RATING
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178RANK
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1,798
2019-01-26
MAX
| 22位 | 2026JPBA Ranking | - |
| Best32('22,'16,'16,etc..) | The best performance in JAPAN OPEN | - |
| 0.2222(4/18) | Winning percentage after best16 | - |
| 0.5758(38/66) | Total winning percentage on hill to hill | 0.2500(1/4) |
| 0.0380(3/79) | Finals/best16 | 0.0000(0/1) |
Scoreline of Hideki YAMAKAWA and Koushi HIRAI (1 - 1 / 1 lines)
2025
Hideki YAMAKAWA |
Koushi HIRAI |
|
| 8 | 21.12.2025Round of 322025 Grand Prix West 6thQ-group10 | 5 |