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

Women's professional tour 2026 3rd Livescores are now available.
https://billi-walker.jp/en/jpba/womens-tour/2026-3rd

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Scoreline
vs

Naoyuki OIVSChihiro KAWAHARA

大井直幸

Naoyuki OI

1 wins

河原千尋

Chihiro KAWAHARA

0 wins

RATING(2026-08-09)
  • 2,025
    RATING
  • 20
    RANK
  • 2,070

    2024-05-09

    MAX
More dataVideo list
RATING(2026-08-06)
  • 1,929
    RATING
  • 13
    RANK
  • 1,995

    2025-10-12

    MAX
More dataVideo list
40位2026JPBA Ranking1位
Champion('19)The best performance in JAPAN OPENChampion('15,'13)
0.7123(151/212)Winning percentage after best160.7115(365/513)
0.5641(66/117)Total winning percentage on hill to hill0.6149(99/161)
0.2622(70/267)Finals/best160.2617(84/321)
Comparison of past ranking
Scoreline of Naoyuki OI and Chihiro KAWAHARA (1 - 1 / 1 lines)
2013

Naoyuki OI

  

Chihiro KAWAHARA
9 15.12.2013Quarter-finals2013 FLEXSCHE Cup 7