【Full Leaderboard】 Update 05/20 15:13
78th Japan Open Golf Championship 2013
| ROUND 1 | @：Amateur player |
| POS | Player | Score | Today | Hole | Rounds | Total | ||||
| R1 | R2 | R3 | R4 | |||||||
| 1 | Shingo Katayama | -5 | -5 | F | 66 | - | - | - | 66 | |
| Shintaro Kai | -5 | -5 | F | 66 | - | - | - | 66 | ||
| Hyung-Sung Kim | -5 | -5 | F | 66 | - | - | - | 66 | ||
| 4 | Katsumasa Miyamoto | -3 | -3 | F | 68 | - | - | - | 68 | |
| Shunsuke Sonoda | -3 | -3 | F | 68 | - | - | - | 68 | ||
| Dong-Kyu Jang | -3 | -3 | F | 68 | - | - | - | 68 | ||
| Yuki Kono | -3 | -3 | F | 68 | - | - | - | 68 | ||
| Keiichiro Fukabori | -3 | -3 | F | 68 | - | - | - | 68 | ||
| Aaron Townsend | -3 | -3 | F | 68 | - | - | - | 68 | ||
| Eric Chun | -3 | -3 | F | 68 | - | - | - | 68 | ||
| 11 | Masanori Kobayashi | -2 | -2 | F | 69 | - | - | - | 69 | |
| Brad Kennedy | -2 | -2 | F | 69 | - | - | - | 69 | ||
| Koumei Oda | -2 | -2 | F | 69 | - | - | - | 69 | ||
| Ho-Sung CHOI | -2 | -2 | F | 69 | - | - | - | 69 | ||
| Kyung-Tae Kim | -2 | -2 | F | 69 | - | - | - | 69 | ||
| Shigeru Nonaka | -2 | -2 | F | 69 | - | - | - | 69 | ||
| Ji-Ho Yang | -2 | -2 | F | 69 | - | - | - | 69 | ||
| Ashun Wu | -2 | -2 | F | 69 | - | - | - | 69 | ||
| 19 | Min-Gyu Cho | -1 | -1 | F | 70 | - | - | - | 70 | |
| Azuma Yano | -1 | -1 | F | 70 | - | - | - | 70 | ||
| @ Kamito Hirai | -1 | -1 | F | 70 | - | - | - | 70 | ||
| Ryutaro Nagano | -1 | -1 | F | 70 | - | - | - | 70 | ||
| Hidemasa Hoshino | -1 | -1 | F | 70 | - | - | - | 70 | ||
| Hirotaro Naito | -1 | -1 | F | 70 | - | - | - | 70 | ||
| Ryuichi Oda | -1 | -1 | F | 70 | - | - | - | 70 | ||
| @ Cameron Davis | -1 | -1 | F | 70 | - | - | - | 70 | ||
| 27 | Yuta Ikeda | ±0 | ±0 | F | 71 | - | - | - | 71 | |
| Tomohiro Kondo | ±0 | ±0 | F | 71 | - | - | - | 71 | ||
| Yusaku Miyazato | ±0 | ±0 | F | 71 | - | - | - | 71 | ||
| Satoshi Kodaira | ±0 | ±0 | F | 71 | - | - | - | 71 | ||
| Toshinori Muto | ±0 | ±0 | F | 71 | - | - | - | 71 | ||
| Juvic Pagunsan | ±0 | ±0 | F | 71 | - | - | - | 71 | ||
| @ Tomoyasu Sugiyama | ±0 | ±0 | F | 71 | - | - | - | 71 | ||
| Tae-Hee Lee | ±0 | ±0 | F | 71 | - | - | - | 71 | ||
| Kenichi Kuboya | ±0 | ±0 | F | 71 | - | - | - | 71 | ||
| Toru Taniguchi | ±0 | ±0 | F | 71 | - | - | - | 71 | ||
| @ Kazuya Koura | ±0 | ±0 | F | 71 | - | - | - | 71 | ||
| 38 | Han Lee | +1 | +1 | F | 72 | - | - | - | 72 | |
| Hiroo Kawai | +1 | +1 | F | 72 | - | - | - | 72 | ||
| Ryota Kojima | +1 | +1 | F | 72 | - | - | - | 72 | ||
| J B Park | +1 | +1 | F | 72 | - | - | - | 72 | ||
| Kazuhiro Yamashita | +1 | +1 | F | 72 | - | - | - | 72 | ||
| Kyoung-Hoon Lee | +1 | +1 | F | 72 | - | - | - | 72 | ||
| Masamichi Uehira | +1 | +1 | F | 72 | - | - | - | 72 | ||
| Terumichi Kakazu | +1 | +1 | F | 72 | - | - | - | 72 | ||
| Masahiro Kawamura | +1 | +1 | F | 72 | - | - | - | 72 | ||
| Yoshinori Fujimoto | +1 | +1 | F | 72 | - | - | - | 72 | ||
| Steven Conran | +1 | +1 | F | 72 | - | - | - | 72 | ||
| Hiroyuki Fujita | +1 | +1 | F | 72 | - | - | - | 72 | ||
| Kazuhiko Hosokawa | +1 | +1 | F | 72 | - | - | - | 72 | ||
| Paul Sheehan | +1 | +1 | F | 72 | - | - | - | 72 | ||
| Yuki Inamori | +1 | +1 | F | 72 | - | - | - | 72 | ||
| 53 | Yoshinobu Tsukada | +2 | +2 | F | 73 | - | - | - | 73 | |
| Do-Hoon Kim | +2 | +2 | F | 73 | - | - | - | 73 | ||
| Kunihiro Kamii | +2 | +2 | F | 73 | - | - | - | 73 | ||
| Hisao Ahara | +2 | +2 | F | 73 | - | - | - | 73 | ||
| @ Shotaro Wada | +2 | +2 | F | 73 | - | - | - | 73 | ||
| S K HO | +2 | +2 | F | 73 | - | - | - | 73 | ||
| Prayad Marksaeng | +2 | +2 | F | 73 | - | - | - | 73 | ||
| Shohei Karimata | +2 | +2 | F | 73 | - | - | - | 73 | ||
| Tetsuya Haraguchi | +2 | +2 | F | 73 | - | - | - | 73 | ||
| Jung-Gon Hwang | +2 | +2 | F | 73 | - | - | - | 73 | ||
| Suzuchiyo Ishida | +2 | +2 | F | 73 | - | - | - | 73 | ||
| Scott Strange | +2 | +2 | F | 73 | - | - | - | 73 | ||
| 65 | Kiyoshi Murota | +3 | +3 | F | 74 | - | - | - | 74 | |
| Ryuko Tokimatsu | +3 | +3 | F | 74 | - | - | - | 74 | ||
| Koichi Kitamura | +3 | +3 | F | 74 | - | - | - | 74 | ||
| Masashi Ishimaru | +3 | +3 | F | 74 | - | - | - | 74 | ||
| @ Shun Murayama | +3 | +3 | F | 74 | - | - | - | 74 | ||
| Kazuhiro Nagatani | +3 | +3 | F | 74 | - | - | - | 74 | ||
| @ Shohei Hasegawa | +3 | +3 | F | 74 | - | - | - | 74 | ||
| Yuji Igarashi | +3 | +3 | F | 74 | - | - | - | 74 | ||
| Kaname Yokoo | +3 | +3 | F | 74 | - | - | - | 74 | ||
| Michio Matsumura | +3 | +3 | F | 74 | - | - | - | 74 | ||
| 75 | Hideto Tanihara | +4 | +4 | F | 75 | - | - | - | 75 | |
| David Oh | +4 | +4 | F | 75 | - | - | - | 75 | ||
| Sung-Joon Park | +4 | +4 | F | 75 | - | - | - | 75 | ||
| Makoto Inoue | +4 | +4 | F | 75 | - | - | - | 75 | ||
| Shota Akiyoshi | +4 | +4 | F | 75 | - | - | - | 75 | ||
| Kenichi Iwao | +4 | +4 | F | 75 | - | - | - | 75 | ||
| Motoki Hieda | +4 | +4 | F | 75 | - | - | - | 75 | ||
| Frankie Minoza | +4 | +4 | F | 75 | - | - | - | 75 | ||
| Jay Choi | +4 | +4 | F | 75 | - | - | - | 75 | ||
| Michael Hendry | +4 | +4 | F | 75 | - | - | - | 75 | ||
| Nobuhito Sato | +4 | +4 | F | 75 | - | - | - | 75 | ||
| Tadaaki Kimura | +4 | +4 | F | 75 | - | - | - | 75 | ||
| Kiyoshi Miyazato | +4 | +4 | F | 75 | - | - | - | 75 | ||
| Tomoyuki Otsuka | +4 | +4 | F | 75 | - | - | - | 75 | ||
| Yosuke Asaji | +4 | +4 | F | 75 | - | - | - | 75 | ||
| Taichi Teshima | +4 | +4 | F | 75 | - | - | - | 75 | ||
| Rui Takamatsu | +4 | +4 | F | 75 | - | - | - | 75 | ||
| Tetsuji Hiratsuka | +4 | +4 | F | 75 | - | - | - | 75 | ||
| 93 | @ Yanwei Liu | +5 | +5 | F | 76 | - | - | - | 76 | |
| Hiromichi Kubo | +5 | +5 | F | 76 | - | - | - | 76 | ||
| Ayumi Kawamitsu | +5 | +5 | F | 76 | - | - | - | 76 | ||
| Genki Yanase | +5 | +5 | F | 76 | - | - | - | 76 | ||
| Satoru Hirota | +5 | +5 | F | 76 | - | - | - | 76 | ||
| Toyokazu Fujishima | +5 | +5 | F | 76 | - | - | - | 76 | ||
| 99 | Yoshiharu Tomotsugu | +6 | +6 | F | 77 | - | - | - | 77 | |
| Yasuo Oshima | +6 | +6 | F | 77 | - | - | - | 77 | ||
| Atomu Shigenaga | +6 | +6 | F | 77 | - | - | - | 77 | ||
| 102 | Kounosuke Kusakabe | +7 | +7 | F | 78 | - | - | - | 78 | |
| Keisuke Kondo | +7 | +7 | F | 78 | - | - | - | 78 | ||
| Shota Kishimoto | +7 | +7 | F | 78 | - | - | - | 78 | ||
| Norio Shinozaki | +7 | +7 | F | 78 | - | - | - | 78 | ||
| 106 | Hisaki Takeuchi | +8 | +8 | F | 79 | - | - | - | 79 | |
| @ Naruki Tanimoto | +8 | +8 | F | 79 | - | - | - | 79 | ||
| 108 | Hideki Kase | +10 | +10 | F | 81 | - | - | - | 81 | |
| WD | @ Kazuki Higa | |||||||||