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Japan Open 2026 Open for entries
https://billi-walker.jp/en/jpba/japanopen/2026

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Scoreline
vs

Kouichi SakamotoVSKazuhiko YAMAUCHI

坂本晃一

Kouichi Sakamoto

0 wins

山内和彦

Kazuhiko YAMAUCHI

1 wins

RATING(2026-08-09)
  • 1,332
    RATING
  • 318
    RANK
  • 1,499

    2017-07-16

    MAX
More dataVideo list
RATING(2026-08-09)
  • 1,498
    RATING
  • 263
    RANK
  • 1,581

    2023-07-02

    MAX
More dataVideo list
115位2026JPBA Ranking79位
Best128('17)The best performance in JAPAN OPENBest4('06)
-Winning percentage after best160.2632(5/19)
0.3750(3/8)Total winning percentage on hill to hill0.4444(12/27)
0.0000(0/1)Finals/best160.0000(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