【Full Leaderboard】 Update 10/04 11:27
48th Japan Women's Open Golf Championship 2015
| ROUND 4 | @：Amateur player |
| POS | Player | Score | Rounds | Total | |||
| R1 | R2 | R3 | R4 | ||||
| - | @ Hana Wakimoto | +8 | 80 | 72 | - | - | - |
| - | Megumi Kido | +8 | 77 | 75 | - | - | - |
| - | Ai Miyazato | +8 | 77 | 75 | - | - | - |
| - | Ah-Reum Hwang | +8 | 78 | 74 | - | - | - |
| - | Yuki Ichinose | +8 | 79 | 73 | - | - | - |
| - | Rikako Morita | +8 | 78 | 74 | - | - | - |
| - | Soo-Yun Kang | +8 | 74 | 78 | - | - | - |
| - | Lala Anai | +8 | 77 | 75 | - | - | - |
| - | @ Kaira Nabeshima | +8 | 79 | 73 | - | - | - |
| - | Kyoko Furuya | +9 | 76 | 77 | - | - | - |
| - | Yun-Jye Wei | +9 | 79 | 74 | - | - | - |
| - | Teresa Lu | +9 | 78 | 75 | - | - | - |
| - | Maria Shinohara | +9 | 78 | 75 | - | - | - |
| - | Ji-Woo Lee | +9 | 77 | 76 | - | - | - |
| - | Aya Ezawa | +9 | 73 | 80 | - | - | - |
| - | Riho Fujisaki | +10 | 74 | 80 | - | - | - |
| - | Yukari Nishiyama | +10 | 79 | 75 | - | - | - |
| - | Yoko Maeda | +10 | 77 | 77 | - | - | - |
| - | Hiroko Azuma | +10 | 79 | 75 | - | - | - |
| - | Pei-Ying Tsai | +10 | 79 | 75 | - | - | - |
| - | Riho Yamaguchi | +11 | 79 | 76 | - | - | - |
| - | Ayaka Matsumori | +11 | 74 | 81 | - | - | - |
| - | Nobuko Kizawa | +11 | 76 | 79 | - | - | - |
| - | Eriko Kobashi | +12 | 78 | 78 | - | - | - |
| - | Yukina Kido | +12 | 78 | 78 | - | - | - |
| - | @ Erika Hara | +12 | 83 | 73 | - | - | - |
| - | Saki Nagamine | +12 | 81 | 75 | - | - | - |
| - | Mika Saito | +12 | 78 | 78 | - | - | - |
| - | Ayaka Morioka | +13 | 81 | 76 | - | - | - |
| - | Shinobu Moromizato | +13 | 80 | 77 | - | - | - |
| - | Aoi Onishi | +13 | 80 | 77 | - | - | - |
| - | Shino Miyata | +13 | 78 | 79 | - | - | - |
| - | Kaori Toki | +13 | 84 | 73 | - | - | - |
| - | Hiromi Mogi | +13 | 81 | 76 | - | - | - |
| - | Hiroko Ayada | +13 | 78 | 79 | - | - | - |
| - | Risa Murata | +13 | 80 | 77 | - | - | - |
| - | @ Miki Yamashita | +13 | 77 | 80 | - | - | - |
| - | @ Minami Hiruta | +13 | 80 | 77 | - | - | - |
| - | Noriko Yamashita | +14 | 82 | 76 | - | - | - |
| - | @ Tian-Yu Wang | +14 | 78 | 80 | - | - | - |
| - | Nana Yamashiro | +15 | 83 | 76 | - | - | - |
| - | Yoko Ishikawa | +15 | 83 | 76 | - | - | - |
| - | @ Sakura Koiwai | +16 | 86 | 74 | - | - | - |
| - | @ Hikaru Yoshimoto | +16 | 78 | 82 | - | - | - |
| - | @ Marina Kajiyama | +16 | 82 | 78 | - | - | - |
| - | Aoi Higashi | +16 | 83 | 77 | - | - | - |
| - | @ Hinako Yamauchi | +17 | 81 | 80 | - | - | - |
| - | @ Ayana Kon | +17 | 79 | 82 | - | - | - |
| - | Kanako Nishimura | +18 | 80 | 82 | - | - | - |
| - | Ai Tanaka | +18 | 81 | 81 | - | - | - |
| - | Yoko Ogawa | +18 | 85 | 77 | - | - | - |
| - | @ Mio Kotaki | +18 | 87 | 75 | - | - | - |
| - | Mikiko Nishi | +18 | 82 | 80 | - | - | - |
| - | Maki Sakaihara | +19 | 83 | 80 | - | - | - |
| - | Tomoko Yokoyama | +20 | 83 | 81 | - | - | - |
| - | Yuna Arakawa | +23 | 88 | 79 | - | - | - |
| - | Saori Iwasaki | +24 | 87 | 81 | - | - | - |
| - | @ Kiri Yokoyama | +26 | 81 | 89 | - | - | - |
| - | @ Atsuko Moriya | +28 | 89 | 83 | - | - | - |