We're supplying the professional players lists equipped with enormous data.
Tokai Grandprix and Tokai Ladies Grandprix 2026 Open for entries
https://billi-walker.jp/en/jpba/tokai-grandprix/2026
Search Scores
Naoyuki OIVSHideki YAMAKAWA
RATING(2026-07-05)
-
2,027RATING
-
24RANK
-
2,070
2024-05-09
MAX
RATING(2026-07-05)
-
1,719RATING
-
178RANK
-
1,798
2019-01-26
MAX
| 37位 | 2026JPBA Ranking | 26位 |
| Champion('19) | The best performance in JAPAN OPEN | Best32('22,'16,'16,etc..) |
| 0.7123(151/212) | Winning percentage after best16 | 0.2222(4/18) |
| 0.5690(66/116) | Total winning percentage on hill to hill | 0.5758(38/66) |
| 0.2632(70/266) | Finals/best16 | 0.0380(3/79) |
Comparison of past ranking
Scoreline of Naoyuki OI and Hideki YAMAKAWA (1 - 13 / 13 lines)
2023
Naoyuki OI |
Hideki YAMAKAWA |
|
| 9 | 15.04.2023Round of 642023 Kantou OpenQ-group6 | 5 |
2022
Naoyuki OI |
Hideki YAMAKAWA |
|
| 9 | 22.10.2022Round of 322022 Japan OpenQ-group4 128-16 |
3 |
2018
Naoyuki OI |
Hideki YAMAKAWA |
|
| 8 | 07.10.2018Round of 162018 Hokuriku Open |
6 |
| 5 | 18.03.2018Round of 162018 All Japan Rotation Championship | 3 |
2017
Naoyuki OI |
Hideki YAMAKAWA |
|
| 300 | 19.03.2017Round of 322017 All Japan Rotation Championship | - |
2016
Naoyuki OI |
Hideki YAMAKAWA |
|
| 6 | 27.03.2016Round of 162016 Grand Prix West 2nd |
7 |
2015
Naoyuki OI |
Hideki YAMAKAWA |
|
| 6 | 08.02.2015Round of 162015 Kyoto Open | 1 |
2014
Naoyuki OI |
Hideki YAMAKAWA |
|
| 8 | 31.08.2014Round of 322014 Hyogo Open | 6 |
2013
Naoyuki OI |
Hideki YAMAKAWA |
|
| 7 | 16.03.2013Round of 162013 Grand Prix West 2nd | 3 |
2012
Naoyuki OI |
Hideki YAMAKAWA |
|
| 8 | 02.12.2012Round of 162012 Hyogo Open | 7 |
| 0 | 05.02.2012Round of 162012 8ball Open | 5 |
2011
Naoyuki OI |
Hideki YAMAKAWA |
|
| 7 | 24.07.2011Round of 162011 Grand Prix West45th | 0 |
2010
Naoyuki OI |
Hideki YAMAKAWA |
|
| W | 25.07.2010Round of 162010 Grand Prix West 4th | - |