【Full Leaderboard】 Update 10/17 10:40
51st Japan Women's Open Golf Championship 2018
| ROUND 3 | @：Amateur player |
| POS | Player | Score | Today | Hole | Rounds | Total | |||
| R1 | R2 | R3 | R4 | ||||||
| 1 | Erika Kikuchi | -10 | -5 | F | 70 | 69 | 67 | - | 206 |
| So-Yeon Ryu | -10 | -3 | F | 65 | 72 | 69 | - | 206 | |
| 3 | Phoebe Yao | -9 | ±0 | F | 67 | 68 | 72 | - | 207 |
| 4 | Nasa Hataoka | -8 | -1 | F | 71 | 66 | 71 | - | 208 |
| 5 | Teresa Lu | -6 | ±0 | F | 69 | 69 | 72 | - | 210 |
| 6 | Hina Arakaki | -5 | -2 | F | 70 | 71 | 70 | - | 211 |
| Mika Miyazato | -5 | -1 | F | 71 | 69 | 71 | - | 211 | |
| Haruka Morita | -5 | -1 | F | 71 | 69 | 71 | - | 211 | |
| Ayaka Watanabe | -5 | -1 | F | 68 | 72 | 71 | - | 211 | |
| @ Miyu Goto | -5 | +1 | F | 71 | 67 | 73 | - | 211 | |
| 11 | Ai Suzuki | -3 | -2 | F | 74 | 69 | 70 | - | 213 |
| Chae-Young Yoon | -3 | +2 | F | 71 | 68 | 74 | - | 213 | |
| Na-Ri Lee | -3 | +2 | F | 68 | 71 | 74 | - | 213 | |
| 14 | Serena Aoki | -2 | -2 | F | 72 | 72 | 70 | - | 214 |
| Shiho Oyama | -2 | -1 | F | 70 | 73 | 71 | - | 214 | |
| Lala Anai | -2 | ±0 | F | 72 | 70 | 72 | - | 214 | |
| Chie Arimura | -2 | +1 | F | 70 | 71 | 73 | - | 214 | |
| Mi-Jeong Jeon | -2 | +2 | F | 71 | 69 | 74 | - | 214 | |
| Eri Okayama | -2 | +2 | F | 70 | 70 | 74 | - | 214 | |
| 20 | Min-Young Lee | -1 | -2 | F | 72 | 73 | 70 | - | 215 |
| In-Gee Chun | -1 | -2 | F | 71 | 74 | 70 | - | 215 | |
| Ji-Hee Lee | -1 | -2 | F | 75 | 70 | 70 | - | 215 | |
| Asako Fujimoto | -1 | -1 | F | 75 | 69 | 71 | - | 215 | |
| Soo-Yun Kang | -1 | ±0 | F | 71 | 72 | 72 | - | 215 | |
| Rumi Yoshiba | -1 | +1 | F | 69 | 73 | 73 | - | 215 | |
| Sayaka Takahashi | -1 | +2 | F | 67 | 74 | 74 | - | 215 | |
| Ah-Reum Hwang | -1 | +3 | F | 72 | 68 | 75 | - | 215 | |
| Moeno Tan | -1 | +6 | F | 69 | 68 | 78 | - | 215 | |
| 29 | Mami Fukuda | ±0 | -3 | F | 75 | 72 | 69 | - | 216 |
| Yukari Baba | ±0 | -2 | F | 74 | 72 | 70 | - | 216 | |
| Jiyai Shin | ±0 | -1 | F | 73 | 72 | 71 | - | 216 | |
| @ Tsubasa Kajitani | ±0 | -1 | F | 75 | 70 | 71 | - | 216 | |
| Aoi Onishi | ±0 | +1 | F | 71 | 72 | 73 | - | 216 | |
| Kaori Ohe | ±0 | +3 | F | 73 | 68 | 75 | - | 216 | |
| 35 | Saki Asai | +1 | ±0 | F | 71 | 74 | 72 | - | 217 |
| Ritsuko Ryu | +1 | ±0 | F | 74 | 71 | 72 | - | 217 | |
| @ Ayaka Furue | +1 | +1 | F | 70 | 74 | 73 | - | 217 | |
| 38 | @ Rieru Shibusawa | +2 | -1 | F | 77 | 70 | 71 | - | 218 |
| @ Yuna Nishimura | +2 | ±0 | F | 70 | 76 | 72 | - | 218 | |
| Momoko Ueda | +2 | ±0 | F | 75 | 71 | 72 | - | 218 | |
| Kana Nagai | +2 | ±0 | F | 73 | 73 | 72 | - | 218 | |
| Nana Suganuma | +2 | +3 | F | 73 | 70 | 75 | - | 218 | |
| @ Yuka Yasuda | +2 | +4 | F | 73 | 69 | 76 | - | 218 | |
| 44 | Yoko Maeda | +3 | +1 | F | 74 | 72 | 73 | - | 219 |
| Yumiko Yoshida | +3 | +1 | F | 73 | 73 | 73 | - | 219 | |
| Bo-Mee Lee | +3 | +2 | F | 76 | 69 | 74 | - | 219 | |
| Asuka Kashiwabara | +3 | +3 | F | 73 | 71 | 75 | - | 219 | |
| Hee-Kyung Bae | +3 | +3 | F | 74 | 70 | 75 | - | 219 | |
| 49 | Saki Takeo | +4 | +1 | F | 78 | 69 | 73 | - | 220 |
| Mayu Hosaka | +4 | +1 | F | 74 | 73 | 73 | - | 220 | |
| Saiki Fujita | +4 | +2 | F | 71 | 75 | 74 | - | 220 | |
| Karis Davidson | +4 | +3 | F | 74 | 71 | 75 | - | 220 | |
| Misuzu Narita | +4 | +3 | F | 74 | 71 | 75 | - | 220 | |
| 54 | Ha-Neul Kim | +5 | +2 | F | 70 | 77 | 74 | - | 221 |
| Miki Sakai | +5 | +2 | F | 74 | 73 | 74 | - | 221 | |
| Kotono Kozuma | +5 | +3 | F | 73 | 73 | 75 | - | 221 | |
| Megumi Kido | +5 | +3 | F | 73 | 73 | 75 | - | 221 | |
| Kotone Hori | +5 | +3 | F | 71 | 75 | 75 | - | 221 | |
| Saki Nagamine | +5 | +4 | F | 77 | 68 | 76 | - | 221 | |
| 60 | @ Yuri Yoshida | +6 | +3 | F | 75 | 72 | 75 | - | 222 |
| 61 | Sarina Kobayashi | +7 | +4 | F | 73 | 74 | 76 | - | 223 |
| 62 | Minami Katsu | +9 | +6 | F | 73 | 74 | 78 | - | 225 |
| Sayaka Tsuchida | +9 | +8 | F | 74 | 71 | 80 | - | 225 | |
| 64 | @ Miyu Yamashita | +10 | +9 | F | 72 | 73 | 81 | - | 226 |