The is Japan's national women's open golf championship. From 2006 (as of 2011) it is one of the two richest tournaments on the LPGA of Japan Tour, with a prize fund of 140 million Yen.

Tournament names through the years: 1968–1970: TBS Women's Open 1971–present: Japan Women's Open Golf Championship

Winners Year Champion Venue Location Score To par Purse (¥) Winner'sshare (¥)2026 Jiyai Shin Takarazuka Golf Club Takarazuka, Hyōgo 269 −11 150,000,000 30,000,0002025 Kotone Hori Cherry Hills Golf Club Miki, Hyōgo 269 −19 150,000,000 30,000,0002024 Rio Takeda Ohtone Country Club Bandō, Ibaraki 278 −10 150,000,000 30,000,0002023 Erika Hara Awara Golf Club, Sea Course Awara, Fukui 273 −15 150,000,000 30,000,0002022 Minami Katsu Murasaki Country Club, Sumire Course Noda, Chiba 285 −3 150,000,000 30,000,0002021 Minami Katsu Tomei Country Club Susono, Shizuoka 270 −14 150,000,000 30,000,0002020 Erika Hara Classic Golf Club Miyawaka, Fukuoka 272 −16 112,500,000 22,500,0002019 Nasa Hataoka Cocopa Resort Club, Queen's Course Tsu, Mie 270 −18 150,000,000 30,000,0002018 Ryu So-yeon Chiba Country Club, Noda Course Noda, Chiba 273 −15 140,000,000 28,000,0002017 Nasa Hataoka Abiko Golf Club Abiko, Chiba 268 −20 140,000,000 28,000,0002016 Nasa Hataoka (a) Karasuyamajo Country Club, Sannomaru Course Nasukarasuyama, Tochigi 280 −4 140,000,000 28,000,0002015 Chun In-gee Katayamazu Golf Club, Hakusan Course Kaga, Ishikawa 286 −2 140,000,000 28,000,0002014 Teresa Lu Biwako Country Club Rittō, Shiga 280 −8 140,000,000 28,000,0002013 Mika Miyazato Sagamihara Golf Club, East Course Sagamihara, Kanagawa 288 E 140,000,000 28,000,0002012 Shanshan Feng Yokohama County Club, West Course Yokohama, Kanagawa 288 E 140,000,000 28,000,0002011 Yukari Baba Nagoya Golf Club Togo, Aichi 292 +12 140,000,000 28,000,0002010 Mika Miyazato Otone Country Club, East Course Bando, Ibaraki 276 −12 140,000,000 28,000,0002009 Song Bo-bae Abiko Golf Club Abiko, Chiba 277 −11 140,000,000 28,000,0002008 Lee Ji-hee Shiun Golf Club, Kajikawa Course Shibata, Niigata 284 −4 140,000,000 28,000,0002007 Shinobu Moromizato Tarumae Country Club Tomakomai, Hokkaido 282 −6 140,000,000 28,000,0002006 Jang Jeong Ibaraki Country Club Ibaraki, Osaka 279 −9 140,000,000 28,000,0002005 Ai Miyazato Totsuka Country Club, West Course Yokohama, Kanagawa 283 −5 70,000,000 14,000,0002004 Yuri Fudoh Hiroshima Country Club, Hachihonmatsu Course Higashihiroshima, Hiroshima 280 −8 70,000,000 14,000,0002003 Michiko Hattori Chiba Country Club, Noda Course Noda, Chiba 287 −1 70,000,000 14,000,0002002 Ko Woo-soon Hakone Country Club Hakone, Kanagawa 278 −14 70,000,000 14,000,0002001 Miyuki Shimabukuro Muroran Golf Club Muroran, Hokkaido 302 +14 70,000,000 14,000,0002000 Kaori Higo Hanno Golf Club Hanno, Saitama 293 +5 70,000,000 14,000,0001999 Mayumi Murai Kasumigaseki Country Club Kawagoe, Saitama 281 −7 70,000,000 14,000,0001998 Natsuko Noro Miyoshi Country Club, West Course Miyoshi, Aichi 286 −2 70,000,000 14,000,0001997 Ayako Okamoto Higashihirono Golf Club Miki, Hyōgo295 +7 70,000,000 14,000,0001996 Aki Takamura Ryugasaki Country Club Ryugasaki, Ibaraki 291 +3 70,000,000 14,000,0001995 Ikuyo Shiotani Ube Country Club, Mannenike West Course Yamaguchi, Yamaguchi 285 −3 60,000,000 9,720,0001994 Michiko Hattori Musashi Country Club, Sasai Course Sayama, Saitama 287 −1 60,000,000 10,800,0001993 Ayako Okamoto Higashinagoya Country Club Toyota, Aichi 288 E 60,000,000 10,800,0001992 Atsuko Hikage Meishin Youkaichi Country Club Higashiomi, Shiga 287 −1 60,000,000 10,800,0001991 Tu Ai-yu Sapporo Golf Club, Wattsu Course Kitahiroshima, Hokkaido 292 E 50,000,000 9,000,0001990 Yuko Moriguchi Gifuseki Country Club Seki, Gifu 288 E 40,000,000 8,000,0001989 Hiromi Kobayashi Musashi Country Club, Toyooka Course Iruma, Saitama 289 +1 40,000,000 8,000,0001988 Fukumi Tani Dazaifu Golf Club Dazaifu, Fukuoka 295 −1 30,000,000 6,000,0001987 Nayoko Yoshikawa Tsukuba Country Club Tsukubamirai, Ibaraki 287 −1 30,000,000 6,000,0001986 Tu Ai-yu Omi Country Club Konan, Shiga 293 −3 25,000,000 4,000,0001985 Yuko Moriguchi Sodegaura Country Club Chiba, Chiba 293 −3 25,000,000 4,000,0001984 Tatsuko Ohsako Kanra Country Club Kanra, Gunma 286 −2 25,000,000 4,000,0001983 Tu Ai-yu Awara Country Club, Sea Course Awara, Fukui 218 −1 25,000,000 4,000,0001982 Atsuko Hikage Forest Golf Club, West Course Shibata, Niigata 285 −3 25,000,000 4,000,0001981 Tatsuko Ohsako Sohsei Country Club Narita, Chiba 213 −3 20,000,000 3,000,0001980 Hisako Higuchi Kasugai Country Club, West Course Kasugai, Aichi 216 −6 20,000,000 3,000,0001979 Nayoko Yoshikawa Hiroshima Country Club, Hachihonmatsu Course Higashihiroshima, Hiroshima 218 +2 20,000,000 3,000,0001978 Takako Kiyomoto Rose Bay Country Club Annaka, Gunma 219 E 20,000,000 3,000,0001977 Hisako Higuchi Hanayashiki Golf Club, Hirono Course Miki, Hyogo 216 −6 20,000,000 3,000,0001976 Hisako Higuchi Hamamatsu Seaside Golf Club Iwata, Shizuoka 220 +1 20,000,000 3,000,0001975 Ayako Nihei Karasuyamajo Country Club Nasukarasuyama, Tochigi 225 +3 15,000,000 2,500,0001974 Hisako Higuchi Meishin Youkaichi Country Club Higashiomi, Shiga 224 +8 10,000,000 2,000,0001973 Noriko Kobayashi Meiyon Country Club Yokkaichi, Mie 219 +3 5,000,000 1,000,0001972 Masako Sasaki Hamamatsu Seaside Golf Club Iwata, Shizuoka 224 +5 2,390,000 600,0001971 Hisako Higuchi Otone Country Club, West Course Bando, Ibaraki 221 +5 2,020,000 500,0001970 Hisako Higuchi TBS Koshigaya Golf Club Yoshikawa, Saitama 226 +4 1,440,000 500,0001969 Hisako Higuchi TBS Koshigaya Golf Club Yoshikawa, Saitama 142 −6 1,020,000 300,0001968 Hisako Higuchi TBS Koshigaya Golf Club Yoshikawa, Saitama 148 E 500,000 200,000

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