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Grand Prix East 2026 3rd Open for entries
https://billi-walker.jp/en/jpba/grandprixeast/2026-3rd
Women's professional tour 2026 2nd Open for entries
https://billi-walker.jp/en/jpba/womens-tour/2026-2nd
Grand Prix West 2026 3rd Open for entries
https://billi-walker.jp/en/jpba/grandprixwest/2026-3rd
Search Scores
Kouichi SakamotoVSKazuhiko YAMAUCHI
RATING(2026-05-31)
-
1,380RATING
-
312RANK
-
1,499
2017-07-16
MAX
RATING(2026-05-31)
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1,499RATING
-
269RANK
-
1,581
2023-07-02
MAX
| 112位 | 2026JPBA Ranking | 62位 |
| Best128('17) | The best performance in JAPAN OPEN | Best4('06) |
| - | Winning percentage after best16 | 0.2632(5/19) |
| 0.5000(3/6) | Total winning percentage on hill to hill | 0.4444(12/27) |
| 0.0000(0/1) | Finals/best16 | 0.0000(0/47) |
Comparison of past ranking
Scoreline of Kouichi Sakamoto and Kazuhiko YAMAUCHI (1 - 1 / 1 lines)
2025
Kouichi Sakamoto |
Kazuhiko YAMAUCHI |
|
| 6 | 19.07.2025Losers round 22025 Tokai Grand PrixQ-9 | 7 |