【Full Leaderboard】 Update 05/20 15:12
77th Japan Open Golf Championship 2012
| ROUND 4 | @：Amateur player |
| POS | Player | Score | Today | Hole | Rounds | Total | Prize | |||
| R1 | R2 | R3 | R4 | |||||||
| 1 | Kenichi Kuboya | +8 | -1 | F | 74 | 73 | 75 | 70 | 292 | ￥ 40,000,000 |
| 2 | Juvic Pagunsan | +9 | +4 | F | 76 | 72 | 70 | 75 | 293 | ￥ 22,000,000 |
| 3 | Tetsuji Hiratsuka | +10 | +7 | F | 73 | 70 | 73 | 78 | 294 | ￥ 15,400,000 |
| 4 | Ashun Wu | +12 | -1 | F | 75 | 73 | 78 | 70 | 296 | ￥ 8,466,666 |
| Do-Hoon Kim | +12 | +2 | F | 78 | 73 | 72 | 73 | 296 | ￥ 8,466,666 | |
| Yusaku Miyazato | +12 | +6 | F | 78 | 69 | 72 | 77 | 296 | ￥ 8,466,666 | |
| 7 | @ Hideki Matsuyama | +13 | -1 | F | 78 | 75 | 74 | 70 | 297 | - |
| Kiyoshi Miyazato | +13 | +1 | F | 78 | 72 | 75 | 72 | 297 | ￥ 5,600,000 | |
| I J Jang | +13 | +2 | F | 74 | 75 | 75 | 73 | 297 | ￥ 5,600,000 | |
| 10 | Hideto Tanihara | +14 | +2 | F | 80 | 71 | 74 | 73 | 298 | ￥ 3,900,000 |
| Yuta Ikeda | +14 | +6 | F | 78 | 72 | 71 | 77 | 298 | ￥ 3,900,000 | |
| Koumei Oda | +14 | +9 | F | 73 | 73 | 72 | 80 | 298 | ￥ 3,900,000 | |
| 13 | Yoshinori Fujimoto | +15 | -1 | F | 74 | 77 | 78 | 70 | 299 | ￥ 2,695,000 |
| Kazuhiro Yamashita | +15 | +2 | F | 77 | 74 | 75 | 73 | 299 | ￥ 2,695,000 | |
| Jung-Gon Hwang | +15 | +4 | F | 72 | 77 | 75 | 75 | 299 | ￥ 2,695,000 | |
| Masanori Kobayashi | +15 | +4 | F | 76 | 75 | 73 | 75 | 299 | ￥ 2,695,000 | |
| 17 | Hyung-Sung Kim | +16 | +2 | F | 77 | 75 | 75 | 73 | 300 | ￥ 2,150,000 |
| Yosuke Tsukada | +16 | +5 | F | 82 | 71 | 71 | 76 | 300 | ￥ 2,150,000 | |
| 19 | Tadahiro Takayama | +17 | +2 | F | 78 | 75 | 75 | 73 | 301 | ￥ 1,824,000 |
| Tsuneyuki Nakajima | +17 | +4 | F | 73 | 74 | 79 | 75 | 301 | ￥ 1,824,000 | |
| Jae-Han Chun | +17 | +4 | F | 76 | 76 | 74 | 75 | 301 | ￥ 1,824,000 | |
| Han Lee | +17 | +5 | F | 76 | 73 | 76 | 76 | 301 | ￥ 1,824,000 | |
| Kunihiro Kamii | +17 | +5 | F | 82 | 71 | 72 | 76 | 301 | ￥ 1,824,000 | |
| 24 | Nobuhito Sato | +18 | +6 | F | 72 | 75 | 78 | 77 | 302 | ￥ 1,580,000 |
| Yoshinobu Tsukada | +18 | +6 | F | 77 | 72 | 76 | 77 | 302 | ￥ 1,580,000 | |
| Hyun-Wu Ryu | +18 | +7 | F | 74 | 76 | 74 | 78 | 302 | ￥ 1,580,000 | |
| Hiroyuki Fujita | +18 | +8 | F | 74 | 73 | 76 | 79 | 302 | ￥ 1,580,000 | |
| 28 | David Smail | +19 | ±0 | F | 75 | 77 | 80 | 71 | 303 | ￥ 1,368,571 |
| Ryutaro Nagano | +19 | +1 | F | 78 | 72 | 81 | 72 | 303 | ￥ 1,368,571 | |
| Go Higaki | +19 | +1 | F | 76 | 77 | 78 | 72 | 303 | ￥ 1,368,571 | |
| Norio Shinozaki | +19 | +2 | F | 76 | 75 | 79 | 73 | 303 | ￥ 1,368,571 | |
| Takashi Kanemoto | +19 | +2 | F | 75 | 77 | 78 | 73 | 303 | ￥ 1,368,571 | |
| Katsumasa Miyamoto | +19 | +3 | F | 78 | 74 | 77 | 74 | 303 | ￥ 1,368,571 | |
| Yosuke Asaji | +19 | +4 | F | 77 | 76 | 75 | 75 | 303 | ￥ 1,368,571 | |
| 35 | Taichi Teshima | +20 | +3 | F | 74 | 79 | 77 | 74 | 304 | ￥ 1,240,000 |
| Tetsuya Haraguchi | +20 | +6 | F | 80 | 75 | 72 | 77 | 304 | ￥ 1,240,000 | |
| Ryo Ishikawa | +20 | +7 | F | 79 | 75 | 72 | 78 | 304 | ￥ 1,240,000 | |
| 38 | Jay Choi | +21 | ±0 | F | 72 | 79 | 83 | 71 | 305 | ￥ 1,160,000 |
| Chawalit Plaphol | +21 | +3 | F | 77 | 78 | 76 | 74 | 305 | ￥ 1,160,000 | |
| Toru Taniguchi | +21 | +4 | F | 77 | 76 | 77 | 75 | 305 | ￥ 1,160,000 | |
| Brad Kennedy | +21 | +5 | F | 72 | 77 | 80 | 76 | 305 | ￥ 1,160,000 | |
| Akio Sadakata | +21 | +6 | F | 84 | 69 | 75 | 77 | 305 | ￥ 1,160,000 | |
| 43 | Min-Gyu Cho | +22 | +1 | F | 78 | 76 | 80 | 72 | 306 | ￥ 1,060,000 |
| S K HO | +22 | +5 | F | 72 | 78 | 80 | 76 | 306 | ￥ 1,060,000 | |
| Steven Conran | +22 | +5 | F | 76 | 74 | 80 | 76 | 306 | ￥ 1,060,000 | |
| Koichiro Kawano | +22 | +5 | F | 76 | 76 | 78 | 76 | 306 | ￥ 1,060,000 | |
| Masamichi Uehira | +22 | +9 | F | 76 | 74 | 76 | 80 | 306 | ￥ 1,060,000 | |
| 48 | Masafumi Kawase | +23 | +9 | F | 76 | 75 | 76 | 80 | 307 | ￥ 1,000,000 |
| 49 | Yuji Igarashi | +24 | +6 | F | 74 | 81 | 76 | 77 | 308 | ￥ 970,000 |
| Naomichi Ozaki | +24 | +7 | F | 76 | 76 | 78 | 78 | 308 | ￥ 970,000 | |
| 51 | Mitsunobu Fukunaga | +25 | +9 | F | 80 | 75 | 74 | 80 | 309 | ￥ 940,000 |
| 52 | Shota Akiyoshi | +26 | +6 | F | 78 | 75 | 80 | 77 | 310 | ￥ 920,000 |
| @ Daichi Sato | +26 | +7 | F | 79 | 73 | 80 | 78 | 310 | - | |
| 54 | Masahiro Kuramoto | +27 | +5 | F | 75 | 79 | 81 | 76 | 311 | ￥ 890,000 |
| Paul Sheehan | +27 | +7 | F | 79 | 74 | 80 | 78 | 311 | ￥ 890,000 | |
| 56 | J B Park | +28 | +9 | F | 78 | 77 | 77 | 80 | 312 | ￥ 840,000 |
| @ Hideto Kobukuro | +28 | +9 | F | 81 | 72 | 79 | 80 | 312 | - | |
| Kentaro Yonekura | +28 | +12 | F | 76 | 73 | 80 | 83 | 312 | ￥ 840,000 | |
| Kiyoshi Murota | +28 | +13 | F | 76 | 76 | 76 | 84 | 312 | ￥ 840,000 | |
| 60 | Tomokazu Yoshinaga | +30 | +6 | F | 77 | 73 | 87 | 77 | 314 | ￥ 800,000 |
| 61 | @ Taihei Sato | +32 | +6 | F | 78 | 77 | 84 | 77 | 316 | - |
| Hidezumi Shirakata | +32 | +4 | F | 78 | 77 | 86 | 75 | 316 | ￥ 780,000 | |