【Full Leaderboard】 Update 05/20 15:06
75th Japan Open Golf Championship 2010
| ROUND 4 | @：Amateur player |
| POS | Player | Score | Rounds | Total | ||||||
| R1 | R2 | R3 | R4 | |||||||
| - | Tetsuji Hiratsuka | +5 | 74 | 73 | - | - | - | |||
| - | Keiichiro Fukabori | +5 | 70 | 77 | - | - | - | |||
| - | Hidemasa Hoshino | +5 | 75 | 72 | - | - | - | |||
| - | Shigeki Maruyama | +5 | 74 | 73 | - | - | - | |||
| - | Daisuke Maruyama | +5 | 72 | 75 | - | - | - | |||
| - | Kiyoshi Murota | +5 | 73 | 74 | - | - | - | |||
| - | Taichiro Kiyota | +5 | 72 | 75 | - | - | - | |||
| - | Toru Suzuki | +5 | 70 | 77 | - | - | - | |||
| - | Kazuhiro Kida | +6 | 70 | 78 | - | - | - | |||
| - | Takuya Taniguchi | +6 | 74 | 74 | - | - | - | |||
| - | Hiroyuki Naito | +6 | 77 | 71 | - | - | - | |||
| - | Kenji Kinemuchi | +6 | 75 | 73 | - | - | - | |||
| - | Tsuneyuki Nakajima | +6 | 74 | 74 | - | - | - | |||
| - | Tatsuhiko Takahashi | +6 | 74 | 74 | - | - | - | |||
| - | @ Hideto Kobukuro | +6 | 72 | 76 | - | - | - | |||
| - | Sushi Ishigaki | +6 | 73 | 75 | - | - | - | |||
| - | Motoharu Mukai | +6 | 74 | 74 | - | - | - | |||
| - | Naruhito Ueda | +7 | 74 | 75 | - | - | - | |||
| - | Makoto Inoue | +7 | 74 | 75 | - | - | - | |||
| - | @ Kota Hirai | +7 | 76 | 73 | - | - | - | |||
| - | @ Katsuyuki Sakurai | +7 | 73 | 76 | - | - | - | |||
| - | Riki Ikeda | +8 | 73 | 77 | - | - | - | |||
| - | Masayuki Omiya | +8 | 74 | 76 | - | - | - | |||
| - | @ Kota Gondo | +8 | 76 | 74 | - | - | - | |||
| - | Masashi Ozaki | +8 | 73 | 77 | - | - | - | |||
| - | Toyokazu Fujishima | +8 | 75 | 75 | - | - | - | |||
| - | Yoshihiro Hori | +8 | 78 | 72 | - | - | - | |||
| - | Hideto Tanihara | +8 | 75 | 75 | - | - | - | |||
| - | @ Kenta Konishi | +8 | 77 | 73 | - | - | - | |||
| - | Tomoaki Ueda | +9 | 76 | 75 | - | - | - | |||
| - | @ Masaru Takahashi | +9 | 73 | 78 | - | - | - | |||
| - | @ Taiki Homma | +9 | 74 | 77 | - | - | - | |||
| - | Satoru Hirota | +9 | 73 | 78 | - | - | - | |||
| - | @ Riito Mieno | +10 | 73 | 79 | - | - | - | |||
| - | Hiroaki Munetsugu | +10 | 78 | 74 | - | - | - | |||
| - | @ Chien-Yao Hung | +10 | 73 | 79 | - | - | - | |||
| - | @ Naoto Takayanagi | +11 | 77 | 76 | - | - | - | |||
| - | Kotaro Kajimoto | +11 | 77 | 76 | - | - | - | |||
| - | Yohei Haga | +11 | 80 | 73 | - | - | - | |||
| - | @ Tomoharu Otsuki | +11 | 74 | 79 | - | - | - | |||
| - | Takashi Kamiyama | +11 | 72 | 81 | - | - | - | |||
| - | Masayuki Sunairi | +11 | 76 | 77 | - | - | - | |||
| - | Nobuhito Sato | +12 | 74 | 80 | - | - | - | |||
| - | Ken Nakagomi | +12 | 74 | 80 | - | - | - | |||
| - | Yuto Watanabe | +12 | 79 | 75 | - | - | - | |||
| - | Masato Yamauchi | +12 | 76 | 78 | - | - | - | |||
| - | @ Hiroki Abe | +13 | 76 | 79 | - | - | - | |||
| - | @ Ryosuke Narimatsu | +14 | 78 | 78 | - | - | - | |||
| - | Yoshiyuki Hidaka | +14 | 75 | 81 | - | - | - | |||
| - | Yudai Maeda | +14 | 78 | 78 | - | - | - | |||
| - | Nobuhiro Masuda | +14 | 78 | 78 | - | - | - | |||
| - | Tetsuya Koyama | +15 | 81 | 76 | - | - | - | |||
| - | Hideki Sugimoto | +15 | 82 | 75 | - | - | - | |||
| - | Hirotsugu Aoyama | +17 | 78 | 81 | - | - | - | |||
| - | Yuji Igarashi | +17 | 79 | 80 | - | - | - | |||
| - | Takayuki Teruya | +17 | 78 | 81 | - | - | - | |||
| - | Kenji Hoshi | +21 | 77 | 86 | - | - | - | |||
| - | @ Tsuyoshi Watanabe | +29 | 91 | 80 | - | - | - | |||
| WD | @ Jin Jeong | |||||||||