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Grand Prix West 2026 4th Open for entries
https://billi-walker.jp/en/jpba/grandprixwest/2026-4th
Grand Prix East 2026 4th Livescores are now available.
https://billi-walker.jp/en/jpba/grandprixeast/2026-4th
Search Scores
Naoyuki OIVSHisashi YAMAMOTO
RATING(2026-07-19)
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2,025RATING
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21RANK
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2,070
2024-05-09
MAX
RATING(2026-07-19)
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1,733RATING
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171RANK
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1,798
2024-10-12
MAX
| 40位 | 2026JPBA Ranking | 111位 |
| Champion('19) | The best performance in JAPAN OPEN | Best4('04) |
| 0.7123(151/212) | Winning percentage after best16 | 0.5401(74/137) |
| 0.5641(66/117) | Total winning percentage on hill to hill | 0.4429(31/70) |
| 0.2622(70/267) | Finals/best16 | 0.1503(26/173) |
Comparison of past ranking
Scoreline of Naoyuki OI and Hisashi YAMAMOTO (1 - 4 / 4 lines)
2015
Naoyuki OI |
Hisashi YAMAMOTO |
|
| 8 | 04.10.2015Round of 162015 Hokuriku Open |
7 |
| 300 | 15.03.2015Round of 162015 All Japan Rotation Championship | 71 |
| 300 | 15.03.2015Winners round Finals2015 All Japan Rotation ChampionshipQ-group2 | - |
2006
Naoyuki OI |
Hisashi YAMAMOTO |
|
| 2 | 28.05.2006Final2006 Tohoku Open | 9 |