【Full Leaderboard】 Update 05/20 15:11
77th Japan Open Golf Championship 2012
| ROUND 1 | @：Amateur player |
| POS | Player | Score | Today | Hole | Rounds | Total | |||
| R1 | R2 | R3 | R4 | ||||||
| 1 | Brad Kennedy | +1 | +1 | F | 72 | - | - | - | 72 |
| Nobuhito Sato | +1 | +1 | F | 72 | - | - | - | 72 | |
| Jay Choi | +1 | +1 | F | 72 | - | - | - | 72 | |
| Jung-Gon Hwang | +1 | +1 | F | 72 | - | - | - | 72 | |
| S K HO | +1 | +1 | F | 72 | - | - | - | 72 | |
| 6 | Tetsuji Hiratsuka | +2 | +2 | F | 73 | - | - | - | 73 |
| Koumei Oda | +2 | +2 | F | 73 | - | - | - | 73 | |
| Tsuneyuki Nakajima | +2 | +2 | F | 73 | - | - | - | 73 | |
| 9 | Yuji Igarashi | +3 | +3 | F | 74 | - | - | - | 74 |
| Hiroyuki Fujita | +3 | +3 | F | 74 | - | - | - | 74 | |
| Yoshinori Fujimoto | +3 | +3 | F | 74 | - | - | - | 74 | |
| I J Jang | +3 | +3 | F | 74 | - | - | - | 74 | |
| Taichi Teshima | +3 | +3 | F | 74 | - | - | - | 74 | |
| Kenichi Kuboya | +3 | +3 | F | 74 | - | - | - | 74 | |
| Hyun-Wu Ryu | +3 | +3 | F | 74 | - | - | - | 74 | |
| 16 | Takeshi Sakiyama | +4 | +4 | F | 75 | - | - | - | 75 |
| Masahiro Kuramoto | +4 | +4 | F | 75 | - | - | - | 75 | |
| Takashi Kanemoto | +4 | +4 | F | 75 | - | - | - | 75 | |
| Ashun Wu | +4 | +4 | F | 75 | - | - | - | 75 | |
| David Smail | +4 | +4 | F | 75 | - | - | - | 75 | |
| 21 | Go Higaki | +5 | +5 | F | 76 | - | - | - | 76 |
| Masamichi Uehira | +5 | +5 | F | 76 | - | - | - | 76 | |
| Koichiro Kawano | +5 | +5 | F | 76 | - | - | - | 76 | |
| Norio Shinozaki | +5 | +5 | F | 76 | - | - | - | 76 | |
| Tomohiro Kondo | +5 | +5 | F | 76 | - | - | - | 76 | |
| Steven Conran | +5 | +5 | F | 76 | - | - | - | 76 | |
| Kiyoshi Murota | +5 | +5 | F | 76 | - | - | - | 76 | |
| Masanori Kobayashi | +5 | +5 | F | 76 | - | - | - | 76 | |
| Jae-Han Chun | +5 | +5 | F | 76 | - | - | - | 76 | |
| Juvic Pagunsan | +5 | +5 | F | 76 | - | - | - | 76 | |
| Han Lee | +5 | +5 | F | 76 | - | - | - | 76 | |
| Naomichi Ozaki | +5 | +5 | F | 76 | - | - | - | 76 | |
| Shingo Katayama | +5 | +5 | F | 76 | - | - | - | 76 | |
| Kentaro Yonekura | +5 | +5 | F | 76 | - | - | - | 76 | |
| Masafumi Kawase | +5 | +5 | F | 76 | - | - | - | 76 | |
| @ Takaya Onoda | +5 | +5 | F | 76 | - | - | - | 76 | |
| 37 | @ Masayoshi Tanaka | +6 | +6 | F | 77 | - | - | - | 77 |
| Azuma Yano | +6 | +6 | F | 77 | - | - | - | 77 | |
| Yosuke Asaji | +6 | +6 | F | 77 | - | - | - | 77 | |
| Yoshinobu Tsukada | +6 | +6 | F | 77 | - | - | - | 77 | |
| Kazuhiro Yamashita | +6 | +6 | F | 77 | - | - | - | 77 | |
| Hyung-Sung Kim | +6 | +6 | F | 77 | - | - | - | 77 | |
| Chawalit Plaphol | +6 | +6 | F | 77 | - | - | - | 77 | |
| Toru Taniguchi | +6 | +6 | F | 77 | - | - | - | 77 | |
| Tomokazu Yoshinaga | +6 | +6 | F | 77 | - | - | - | 77 | |
| 46 | Keisuke Kondo | +7 | +7 | F | 78 | - | - | - | 78 |
| Michio Matsumura | +7 | +7 | F | 78 | - | - | - | 78 | |
| @ Taihei Sato | +7 | +7 | F | 78 | - | - | - | 78 | |
| Tadahiro Takayama | +7 | +7 | F | 78 | - | - | - | 78 | |
| Yuta Ikeda | +7 | +7 | F | 78 | - | - | - | 78 | |
| @ Hideki Matsuyama | +7 | +7 | F | 78 | - | - | - | 78 | |
| Do-Hoon Kim | +7 | +7 | F | 78 | - | - | - | 78 | |
| J B Park | +7 | +7 | F | 78 | - | - | - | 78 | |
| @ Kazuki Higa | +7 | +7 | F | 78 | - | - | - | 78 | |
| Hidezumi Shirakata | +7 | +7 | F | 78 | - | - | - | 78 | |
| Shota Akiyoshi | +7 | +7 | F | 78 | - | - | - | 78 | |
| Hidemasa Hoshino | +7 | +7 | F | 78 | - | - | - | 78 | |
| Masahiko Sanada | +7 | +7 | F | 78 | - | - | - | 78 | |
| @ Kenta Konishi | +7 | +7 | F | 78 | - | - | - | 78 | |
| Yusaku Miyazato | +7 | +7 | F | 78 | - | - | - | 78 | |
| Min-Gyu Cho | +7 | +7 | F | 78 | - | - | - | 78 | |
| Ryutaro Nagano | +7 | +7 | F | 78 | - | - | - | 78 | |
| Kiyoshi Miyazato | +7 | +7 | F | 78 | - | - | - | 78 | |
| Masahiro Kawamura | +7 | +7 | F | 78 | - | - | - | 78 | |
| Neven Basic | +7 | +7 | F | 78 | - | - | - | 78 | |
| Katsumasa Miyamoto | +7 | +7 | F | 78 | - | - | - | 78 | |
| 67 | @ Shinji Tomimura | +8 | +8 | F | 79 | - | - | - | 79 |
| Brendan Jones | +8 | +8 | F | 79 | - | - | - | 79 | |
| Yasunobu Fukunaga | +8 | +8 | F | 79 | - | - | - | 79 | |
| Yoshikazu Haku | +8 | +8 | F | 79 | - | - | - | 79 | |
| Shunsuke Sonoda | +8 | +8 | F | 79 | - | - | - | 79 | |
| Ryo Ishikawa | +8 | +8 | F | 79 | - | - | - | 79 | |
| @ Daichi Sato | +8 | +8 | F | 79 | - | - | - | 79 | |
| Masayuki Kawamura | +8 | +8 | F | 79 | - | - | - | 79 | |
| Isao Aoki | +8 | +8 | F | 79 | - | - | - | 79 | |
| David Oh | +8 | +8 | F | 79 | - | - | - | 79 | |
| @ Kazuya Koura | +8 | +8 | F | 79 | - | - | - | 79 | |
| Paul Sheehan | +8 | +8 | F | 79 | - | - | - | 79 | |
| 79 | Mitsunobu Fukunaga | +9 | +9 | F | 80 | - | - | - | 80 |
| Satoshi Kodaira | +9 | +9 | F | 80 | - | - | - | 80 | |
| Tetsuya Haraguchi | +9 | +9 | F | 80 | - | - | - | 80 | |
| Hideto Tanihara | +9 | +9 | F | 80 | - | - | - | 80 | |
| Prayad Marksaeng | +9 | +9 | F | 80 | - | - | - | 80 | |
| Ryuichi Oda | +9 | +9 | F | 80 | - | - | - | 80 | |
| @ Mitsumasa Tamura | +9 | +9 | F | 80 | - | - | - | 80 | |
| Hiroki Abe | +9 | +9 | F | 80 | - | - | - | 80 | |
| Masashi Ozaki | +9 | +9 | F | 80 | - | - | - | 80 | |
| 88 | Shintaro Kai | +10 | +10 | F | 81 | - | - | - | 81 |
| Ryoma Yamagata | +10 | +10 | F | 81 | - | - | - | 81 | |
| @ Hideto Kobukuro | +10 | +10 | F | 81 | - | - | - | 81 | |
| Chien-Yao Hung | +10 | +10 | F | 81 | - | - | - | 81 | |
| 92 | Toshinori Muto | +11 | +11 | F | 82 | - | - | - | 82 |
| @ Jinichiro Kozuma | +11 | +11 | F | 82 | - | - | - | 82 | |
| Katsuyoshi Tomori | +11 | +11 | F | 82 | - | - | - | 82 | |
| Yosuke Tsukada | +11 | +11 | F | 82 | - | - | - | 82 | |
| Yu Morimoto | +11 | +11 | F | 82 | - | - | - | 82 | |
| Dong-Kyu Jang | +11 | +11 | F | 82 | - | - | - | 82 | |
| @ Toshiumi Kushioka | +11 | +11 | F | 82 | - | - | - | 82 | |
| Dong-Hwan Lee | +11 | +11 | F | 82 | - | - | - | 82 | |
| Kunihiro Kamii | +11 | +11 | F | 82 | - | - | - | 82 | |
| Hiroo Kawai | +11 | +11 | F | 82 | - | - | - | 82 | |
| 102 | @ Kohei Kinoshita | +12 | +12 | F | 83 | - | - | - | 83 |
| Richard Lee | +12 | +12 | F | 83 | - | - | - | 83 | |
| Kyoung-Hoon Lee | +12 | +12 | F | 83 | - | - | - | 83 | |
| 105 | @ Masamichi Ito | +13 | +13 | F | 84 | - | - | - | 84 |
| Masayuki Omiya | +13 | +13 | F | 84 | - | - | - | 84 | |
| Akio Sadakata | +13 | +13 | F | 84 | - | - | - | 84 | |
| Takafumi Kawane | +13 | +13 | F | 84 | - | - | - | 84 | |
| Akira Endo | +13 | +13 | F | 84 | - | - | - | 84 | |
| 110 | Taichi Nabetani | +14 | +14 | F | 85 | - | - | - | 85 |
| 111 | Mamoru Nakamura | +15 | +15 | F | 86 | - | - | - | 86 |
| Satoru Hirota | +15 | +15 | F | 86 | - | - | - | 86 | |
| 113 | Ryuko Tokimatsu | +16 | +16 | F | 87 | - | - | - | 87 |
| 114 | Keiichiro Fukabori | +17 | +17 | F | 88 | - | - | - | 88 |