【Full Leaderboard】 Update 05/20 15:06
75th Japan Open Golf Championship 2010
| ROUND 3 | @：Amateur player |
| POS | Player | Score | Today | Hole | Rounds | Total | |||
| R1 | R2 | R3 | R4 | ||||||
| 1 | Hiroyuki Fujita | -10 | -1 | F | 66 | 67 | 70 | - | 203 |
| 2 | Toshinori Muto | -9 | -3 | F | 69 | 67 | 68 | - | 204 |
| 3 | Han Lee | -8 | +1 | F | 65 | 68 | 72 | - | 205 |
| 4 | @ Hideki Matsuyama | -7 | ±0 | F | 68 | 67 | 71 | - | 206 |
| 5 | Kyung-Tae Kim | -6 | -3 | F | 69 | 70 | 68 | - | 207 |
| 6 | Ryo Ishikawa | -5 | -1 | F | 68 | 70 | 70 | - | 208 |
| 7 | Katsumasa Miyamoto | -3 | -1 | F | 69 | 71 | 70 | - | 210 |
| Daisuke Yasumoto | -3 | ±0 | F | 69 | 70 | 71 | - | 210 | |
| 9 | Tadahiro Takayama | -2 | -3 | F | 74 | 69 | 68 | - | 211 |
| Sang-Moon Bae | -2 | +1 | F | 70 | 69 | 72 | - | 211 | |
| 11 | @ Yoshinori Fujimoto | -1 | -5 | F | 73 | 73 | 66 | - | 212 |
| Michio Matsumura | -1 | ±0 | F | 70 | 71 | 71 | - | 212 | |
| Komei Oda | -1 | ±0 | F | 69 | 72 | 71 | - | 212 | |
| Brendan Jones | -1 | +1 | F | 70 | 70 | 72 | - | 212 | |
| Chris Campbell | -1 | +2 | F | 67 | 72 | 73 | - | 212 | |
| 16 | Yuta Ikeda | ±0 | ±0 | F | 72 | 70 | 71 | - | 213 |
| Taichi Teshima | ±0 | ±0 | F | 69 | 73 | 71 | - | 213 | |
| Ryuichi Oda | ±0 | ±0 | F | 71 | 71 | 71 | - | 213 | |
| Hiroshi Iwata | ±0 | +1 | F | 69 | 72 | 72 | - | 213 | |
| Shigeru Nonaka | ±0 | +2 | F | 70 | 70 | 73 | - | 213 | |
| 21 | Dinesh Chand | +1 | -2 | F | 70 | 75 | 69 | - | 214 |
| Hiroo Kawai | +1 | +1 | F | 73 | 69 | 72 | - | 214 | |
| 23 | Mamoru Osanai | +2 | -1 | F | 69 | 76 | 70 | - | 215 |
| S K HO | +2 | ±0 | F | 71 | 73 | 71 | - | 215 | |
| Shunsuke Sonoda | +2 | ±0 | F | 72 | 72 | 71 | - | 215 | |
| Yusaku Miyazato | +2 | +2 | F | 69 | 73 | 73 | - | 215 | |
| Paul Sheehan | +2 | +3 | F | 71 | 70 | 74 | - | 215 | |
| 28 | Tetsuya Haraguchi | +3 | ±0 | F | 75 | 70 | 71 | - | 216 |
| Kenichi Kuboya | +3 | +1 | F | 72 | 72 | 72 | - | 216 | |
| Hirofumi Miyase | +3 | +1 | F | 72 | 72 | 72 | - | 216 | |
| Tomokazu Yoshinaga | +3 | +1 | F | 71 | 73 | 72 | - | 216 | |
| Shingo Katayama | +3 | +2 | F | 70 | 73 | 73 | - | 216 | |
| Masaya Tomida | +3 | +2 | F | 70 | 73 | 73 | - | 216 | |
| 34 | @ Futoshi Fujita | +4 | ±0 | F | 71 | 75 | 71 | - | 217 |
| @ Satoshi Kodaira | +4 | +2 | F | 72 | 72 | 73 | - | 217 | |
| Shoichi Ideguchi | +4 | +2 | F | 73 | 71 | 73 | - | 217 | |
| Yasuharu Imano | +4 | +3 | F | 71 | 72 | 74 | - | 217 | |
| Kazuhiko Hosokawa | +4 | +3 | F | 71 | 72 | 74 | - | 217 | |
| Shinichi Yokota | +4 | +3 | F | 72 | 71 | 74 | - | 217 | |
| Motoki Hieda | +4 | +5 | F | 73 | 68 | 76 | - | 217 | |
| Toru Taniguchi | +4 | +5 | F | 71 | 70 | 76 | - | 217 | |
| 42 | Hiroo Okamo | +5 | +2 | F | 75 | 70 | 73 | - | 218 |
| Yuta Taniyama | +5 | +3 | F | 73 | 71 | 74 | - | 218 | |
| Tomohiro Kondo | +5 | +3 | F | 75 | 69 | 74 | - | 218 | |
| Kunihiro Kamii | +5 | +5 | F | 68 | 74 | 76 | - | 218 | |
| 46 | Takashi Kanemoto | +6 | +3 | F | 72 | 73 | 74 | - | 219 |
| Shintaro Kai | +6 | +5 | F | 68 | 75 | 76 | - | 219 | |
| Shota Kishimoto | +6 | +5 | F | 70 | 73 | 76 | - | 219 | |
| Kaname Yokoo | +6 | +6 | F | 71 | 71 | 77 | - | 219 | |
| 50 | Kazuhiro Yamashita | +7 | +3 | F | 73 | 73 | 74 | - | 220 |
| Yoshinori Mizumaki | +7 | +4 | F | 71 | 74 | 75 | - | 220 | |
| Jay Choi | +7 | +4 | F | 69 | 76 | 75 | - | 220 | |
| Ryoma Yamagata | +7 | +5 | F | 71 | 73 | 76 | - | 220 | |
| Akio Sadakata | +7 | +6 | F | 76 | 67 | 77 | - | 220 | |
| Min-Gyu Cho | +7 | +6 | F | 73 | 70 | 77 | - | 220 | |
| 56 | Takafumi Kawane | +8 | +6 | F | 68 | 76 | 77 | - | 221 |
| Azuma Yano | +8 | +7 | F | 74 | 69 | 78 | - | 221 | |
| 58 | @ Keisuke Otawa | +9 | +5 | F | 70 | 76 | 76 | - | 222 |
| 59 | Mitsuhiro Tateyama | +10 | +6 | F | 74 | 72 | 77 | - | 223 |
| 60 | Tatsuya Takamatsu | +11 | +10 | F | 72 | 71 | 81 | - | 224 |
| 61 | Yoshiyuki Uemoto | +12 | +8 | F | 74 | 72 | 79 | - | 225 |
| 62 | @ Masahiro Kawamura | +13 | +9 | F | 70 | 76 | 80 | - | 226 |