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Japan Open 2026 Open for entries
https://billi-walker.jp/en/jpba/japanopen/2026
Women's professional tour 2026 3rd Open for entries
https://billi-walker.jp/en/jpba/womens-tour/2026-3rd
Grand Prix West 2026 4th Livescores are now available.
https://billi-walker.jp/en/jpba/grandprixwest/2026-4th
Search Scores
Hisahiro KOYAMAVSYouhei KOHARA
Hisahiro KOYAMA
0 wins
RATING(2026-07-26)
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1,629RATING
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216RANK
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1,681
2025-09-13
MAX
| - | 2026JPBA Ranking | 36位 |
| - | The best performance in JAPAN OPEN | Best32('19,'12) |
| - | Winning percentage after best16 | 0.0000(0/4) |
| 0.6667(2/3) | Total winning percentage on hill to hill | 0.3830(18/47) |
| 0.0000(0/8) | Finals/best16 | 0.0000(0/19) |
Scoreline of Hisahiro KOYAMA and Youhei KOHARA (1 - 1 / 1 lines)
2018
Hisahiro KOYAMA |
Youhei KOHARA |
|
| 1 | 27.01.2018Losers round 22018 Kansai OpenQ-group9 | 7 |