【Full Leaderboard】 Update 05/20 15:06
20th Japan Senior Open Golf Championship 2010
| ROUND 4 | @：Amateur player |
| POS | Player | Score | Today | Hole | Rounds | Total | Prize | |||
| R1 | R2 | R3 | R4 | |||||||
| 1 | Masahiro Kuramoto | +2 | ±0 | F | 76 | 69 | 67 | 70 | 282 | ￥ 16,000,000 |
| 2 | Kiyoshi Maita | +4 | ±0 | F | 72 | 70 | 72 | 70 | 284 | ￥ 7,480,000 |
| Yoshinori Mizumaki | +4 | +1 | F | 68 | 73 | 72 | 71 | 284 | ￥ 7,480,000 | |
| 4 | Tsuneyuki Nakajima | +5 | -2 | F | 70 | 78 | 69 | 68 | 285 | ￥ 3,140,000 |
| Kiyoshi Murota | +5 | -1 | F | 69 | 73 | 74 | 69 | 285 | ￥ 3,140,000 | |
| Nobumitsu Yuhara | +5 | +3 | F | 70 | 73 | 69 | 73 | 285 | ￥ 3,140,000 | |
| Boonchu Ruangkit | +5 | +5 | F | 73 | 67 | 70 | 75 | 285 | ￥ 3,140,000 | |
| 8 | Yoshikazu Yokoshima | +7 | +1 | F | 72 | 72 | 72 | 71 | 287 | ￥ 2,080,000 |
| 9 | Yoshio Fumiyama | +8 | -3 | F | 72 | 72 | 77 | 67 | 288 | ￥ 1,560,000 |
| Shinji Ikeuchi | +8 | -2 | F | 74 | 74 | 72 | 68 | 288 | ￥ 1,560,000 | |
| Hideki Kase | +8 | -1 | F | 73 | 76 | 70 | 69 | 288 | ￥ 1,560,000 | |
| 12 | Katsunari Takahashi | +10 | +3 | F | 71 | 74 | 72 | 73 | 290 | ￥ 1,122,666 |
| David Merriman | +10 | +3 | F | 73 | 73 | 71 | 73 | 290 | ￥ 1,122,666 | |
| Hiroshi Ueda | +10 | +6 | F | 73 | 70 | 71 | 76 | 290 | ￥ 1,122,666 | |
| 15 | Norikazu Kawakami | +11 | ±0 | F | 78 | 72 | 71 | 70 | 291 | ￥ 944,000 |
| 16 | Kazuhiro Takami | +12 | -2 | F | 76 | 75 | 73 | 68 | 292 | ￥ 840,000 |
| Seiji Ebihara | +12 | +4 | F | 74 | 71 | 73 | 74 | 292 | ￥ 840,000 | |
| Tateo Ozaki | +12 | +4 | F | 74 | 72 | 72 | 74 | 292 | ￥ 840,000 | |
| 19 | Tomohiro Maruyama | +13 | -1 | F | 68 | 78 | 78 | 69 | 293 | ￥ 725,333 |
| Tadashige Kusano | +13 | ±0 | F | 73 | 71 | 79 | 70 | 293 | ￥ 725,333 | |
| Mike Cunning | +13 | +5 | F | 72 | 75 | 71 | 75 | 293 | ￥ 725,333 | |
| 22 | Masami Ito | +14 | +3 | F | 72 | 73 | 76 | 73 | 294 | ￥ 664,000 |
| Takenori Hiraishi | +14 | +3 | F | 75 | 72 | 74 | 73 | 294 | ￥ 664,000 | |
| 24 | Hajime Meshiai | +15 | ±0 | F | 77 | 76 | 72 | 70 | 295 | ￥ 616,000 |
| Yutaka Hagawa | +15 | +1 | F | 79 | 72 | 73 | 71 | 295 | ￥ 616,000 | |
| Gwang-Soo Choi | +15 | +3 | F | 72 | 72 | 78 | 73 | 295 | ￥ 616,000 | |
| Nobuo Serizawa | +15 | +5 | F | 72 | 72 | 76 | 75 | 295 | ￥ 616,000 | |
| 28 | Isao Aoki | +16 | +2 | F | 74 | 78 | 72 | 72 | 296 | ￥ 560,000 |
| Mike Harwood | +16 | +5 | F | 70 | 75 | 76 | 75 | 296 | ￥ 560,000 | |
| Atsushi Takamatsu | +16 | +7 | F | 76 | 71 | 72 | 77 | 296 | ￥ 560,000 | |
| 31 | Katsuyoshi Tomori | +17 | +2 | F | 74 | 77 | 74 | 72 | 297 | ￥ 528,000 |
| 32 | Takaaki Fukuzawa | +18 | -1 | F | 72 | 74 | 83 | 69 | 298 | ￥ 516,000 |
| Gohei Sato | +18 | +7 | F | 74 | 72 | 75 | 77 | 298 | ￥ 516,000 | |
| 34 | Teruo Nakamura | +19 | +3 | F | 74 | 78 | 74 | 73 | 299 | ￥ 500,000 |
| Tsukasa Watanabe | +19 | +7 | F | 73 | 76 | 73 | 77 | 299 | ￥ 500,000 | |
| 36 | Toshinori Horiki | +20 | ±0 | F | 77 | 78 | 75 | 70 | 300 | ￥ 472,000 |
| Ikuo Shirahama | +20 | +1 | F | 76 | 77 | 76 | 71 | 300 | ￥ 472,000 | |
| Yukio Noguchi | +20 | +2 | F | 74 | 79 | 75 | 72 | 300 | ￥ 472,000 | |
| Minoru Hatsumi | +20 | +7 | F | 75 | 75 | 73 | 77 | 300 | ￥ 472,000 | |
| Satoshi Aoki | +20 | +9 | F | 73 | 75 | 73 | 79 | 300 | ￥ 472,000 | |
| 41 | Seiki Okuda | +21 | +2 | F | 79 | 70 | 80 | 72 | 301 | ￥ 436,000 |
| Kenshi Ikeda | +21 | +3 | F | 73 | 78 | 77 | 73 | 301 | ￥ 436,000 | |
| David Ishii | +21 | +4 | F | 77 | 77 | 73 | 74 | 301 | ￥ 436,000 | |
| Mitsuharu Suzuki | +21 | +11 | F | 75 | 70 | 75 | 81 | 301 | ￥ 436,000 | |
| 45 | Taisei Inagaki | +22 | +2 | F | 75 | 77 | 78 | 72 | 302 | ￥ 412,000 |
| Shuichi Sano | +22 | +7 | F | 75 | 74 | 76 | 77 | 302 | ￥ 412,000 | |
| 47 | Bill Longmuir | +23 | +4 | F | 77 | 77 | 75 | 74 | 303 | ￥ 396,000 |
| Koji Okuno | +23 | +6 | F | 75 | 71 | 81 | 76 | 303 | ￥ 396,000 | |
| 49 | Takashi Miyoshi | +24 | +6 | F | 73 | 78 | 77 | 76 | 304 | ￥ 380,000 |
| Noboru Fujiike | +24 | +8 | F | 76 | 78 | 72 | 78 | 304 | ￥ 380,000 | |
| 51 | Toshio Shimamura | +25 | +2 | F | 78 | 77 | 78 | 72 | 305 | ￥ 368,000 |
| 52 | Masanobu Kimura | +26 | +12 | F | 73 | 75 | 76 | 82 | 306 | ￥ 356,000 |
| Yoichi Yamamoto | +26 | +13 | F | 75 | 73 | 75 | 83 | 306 | ￥ 356,000 | |
| 54 | Hideyuki Sato | +27 | +4 | F | 76 | 75 | 82 | 74 | 307 | ￥ 336,000 |
| Hiromichi Namiki | +27 | +5 | F | 79 | 74 | 79 | 75 | 307 | ￥ 336,000 | |
| Noboru Sugai | +27 | +8 | F | 80 | 74 | 75 | 78 | 307 | ￥ 336,000 | |
| 57 | Tomoyuki Nagai | +29 | +7 | F | 78 | 77 | 77 | 77 | 309 | ￥ 316,000 |
| Koichi Kamiya | +29 | +10 | F | 70 | 79 | 80 | 80 | 309 | ￥ 316,000 | |
| 59 | Takeshi Kitadai | +30 | +9 | F | 77 | 75 | 79 | 79 | 310 | ￥ 300,000 |
| Katsuji Hasegawa | +30 | +10 | F | 77 | 74 | 79 | 80 | 310 | ￥ 300,000 | |
| 61 | Koichi Takabe | +32 | +9 | F | 79 | 75 | 79 | 79 | 312 | ￥ 288,000 |
| 62 | @ Toshiki Sakiyama | +33 | +10 | F | 81 | 74 | 78 | 80 | 313 | - |
| Yoshinori Ichioka | +33 | +8 | F | 77 | 78 | 80 | 78 | 313 | ￥ 288,000 | |
| Fumio Noji | +33 | +12 | F | 75 | 80 | 76 | 82 | 313 | ￥ 288,000 | |