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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
Kumi KOYAMAVSTomoko KUBOTA
| - | 2026JPBA Ranking | 8位 |
| - | The best performance in JAPAN OPEN | Best4('24,'22) |
| 0.2857(2/7) | Winning percentage after best16 | 0.4813(90/187) |
| 0.3000(3/10) | Total winning percentage on hill to hill | 0.5104(49/96) |
| 0.0000(0/6) | Finals/best16 | 0.0909(10/110) |
Scoreline of Kumi KOYAMA and Tomoko KUBOTA (1 - 2 / 2 lines)
2023
Kumi KOYAMA |
Tomoko KUBOTA |
|
| 3 | 11.03.2023Losers round Finals2023 All Japan Ladies Tour 1stQ-group3 | 7 |
2016
Kumi KOYAMA |
Tomoko KUBOTA |
|
| 1 | 14.05.20162016 Osaka Queens OpenQ4 | 6 |