The 2025 Japan Masters (officially known as the Kumamoto Masters Japan 2025) was a badminton tournament which took place at Kumamoto Prefectural Gymnasium in Kumamoto, Japan, from 11 to 16 November 2025 and had a total prize of $475,000. Kodai Naraoka won the men's singles title, while Ratchanok Intanon won the women's singles title. Kim Won-ho and Seo Seung-jae won the men's doubles, Pearly Tan and Thinaah Muralitharan won the women's doubles, and Dechapol Puavaranukroh and Supissara Paewsampran won the mixed doubles.
Tournament The 2025 Japan Masters was the thirty-fifth tournament of the 2025 BWF World Tour and also part of the Japan Masters championships, which have been held since 2023. This tournament was organized by the Badminton Association of Japan (formerly known as the Nippon Badminton Association) with sanction from the BWF.
Venue This tournament was held at Kumamoto Prefectural Gymnasium in Kumamoto, Japan.
Point distribution Below is the point distribution table for each phase of the tournament based on the BWF points system for the BWF World Tour Super 500 event.
Winner Runner-up 3/4 5/8 9/16 17/32 33/64 65/128 9,200 7,800 6,420 5,040 3,600 2,220 880 430
Prize pool The total prize money was US$475,000 with the distribution of the prize money in accordance with BWF regulations.
Event Winner Finalist Semi-finals Quarter-finals Last 16 Singles $35,625 $18,050 $6,887.50 $2,850 $1,662.50 Doubles $37,525 $18,050 $6,650 $3,443.75 $1,718.25
Men's singles Seeds
Kunlavut Vitidsarn (withdrew) Chou Tien-chen (second round) Loh Kean Yew (quarter-finals) Kodai Naraoka (champion) Lin Chun-yi (quarter-finals) Kenta Nishimoto (final) Lakshya Sen (semi-finals) Alwi Farhan (second round)
Finals
Top half Section 1
Section 2
Bottom half Section 3
Section 4
Women's singles Seeds
Akane Yamaguchi (second round) Tomoka Miyazaki (first round) Ratchanok Intanon (champion) Gregoria Mariska Tunjung (final) Michelle Li (second round) Busanan Ongbamrungphan (first round) Chiu Pin-chian (semi-finals) Lin Hsiang-ti (quarter-finals)
Finals
Top half Section 1
Section 2
Bottom half Section 3
Section 4
Men's doubles Seeds
Kim Won-ho / Seo Seung-jae (champions) Goh Sze Fei / Nur Izzuddin (semi-finals) Man Wei Chong / Tee Kai Wun (first round) Takuro Hoki / Yugo Kobayashi (withdrew) Lee Jhe-huei / Yang Po-hsuan (quarter-finals) Chiu Hsiang-chieh / Wang Chi-lin (semi-finals) Junaidi Arif / Yap Roy King (quarter-finals) Lee Fang-chih / Lee Fang-jen (first round)
Finals
Top half Section 1
Section 2
Bottom half Section 3
Section 4
Women's doubles Seeds
Pearly Tan / Thinaah Muralitharan (champions) Kim Hye-jeong / Kong Hee-yong (semi-finals) Yuki Fukushima / Mayu Matsumoto (semi-finals) Rin Iwanaga / Kie Nakanishi (final) Hsieh Pei-shan / Hung En-tzu (first round) Arisa Igarashi / Chiharu Shida (second round) Hsu Yin-hui / Lin Jhih-yun (quarter-finals) Chang Ching-hui / Yang Ching-tun (second round)
Finals
Top half Section 1
Section 2
Bottom half Section 3
Section 4
Mixed doubles Seeds
Dechapol Puavaranukroh / Supissara Paewsampran (champions) Thom Gicquel / Delphine Delrue (final) Hiroki Midorikawa / Natsu Saito (second round) Goh Soon Huat / Shevon Jemie Lai (first round) Ruttanapak Oupthong / Jhenicha Sudjaipraparat (second round) Yang Po-hsuan / Hu Ling-fang (first round) Ye Hong-wei / Nicole Gonzales Chan (semi-finals) Mathias Christiansen / Alexandra Bøje (quarter-finals)
Finals
Top half Section 1
Section 2
Bottom half Section 3
Section 4
References
External links Tournament link