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Kyoto Ladies Open 2026 Open for entries
https://billi-walker.jp/en/jpba/kyoto-ladies/2026

Grand Prix West 2026 6th Open for entries
https://billi-walker.jp/en/jpba/grandprixwest/2026-6th

Search Scores

Search Scores

Scoreline
vs

Naoyuki OIVSKazuhiko YAMAUCHI

大井直幸

Naoyuki OI

2 wins

山内和彦

Kazuhiko YAMAUCHI

0 wins

RATING(2026-10-11)
  • 1,976
    RATING
  • 40
    RANK
  • 2,070

    2024-05-09

    MAX
More dataVideo list
RATING(2026-10-11)
  • 1,498
    RATING
  • 287
    RANK
  • 1,581

    2023-07-02

    MAX
More dataVideo list
49位2026JPBA Ranking84位
Runner-up('14)The best performance in All JAPAN CHAMPIONSHPBest32('00)
0.7123(151/212)Winning percentage after best160.2632(5/19)
0.5667(68/120)Total winning percentage on hill to hill0.4444(12/27)
0.2622(70/267)Finals/best160.0000(0/47)
Comparison of past ranking
Scoreline of Naoyuki OI and Kazuhiko YAMAUCHI (1 - 2 / 2 lines)
2016

Naoyuki OI

  

Kazuhiko YAMAUCHI
7 23.04.2016Winners round Finals2016 Hokkaido OpenQ-group1 4
2010

Naoyuki OI

  

Kazuhiko YAMAUCHI
9 21.03.2010Round of 642010 Japan Open Men 4