【Full Leaderboard】 Update 05/20 15:14
23rd Japan Senior Open Golf Championship 2013
| ROUND 4 | @：Amateur player |
| POS | Player | Score | Today | Hole | Rounds | Total | Prize | |||
| R1 | R2 | R3 | R4 | |||||||
| 1 | Kiyoshi Murota | -9 | +1 | F | 66 | 73 | 67 | 73 | 279 | ￥ 16,000,000 |
| 2 | Satoshi Higashi | -6 | -5 | F | 69 | 74 | 72 | 67 | 282 | ￥ 8,800,000 |
| 3 | Paul Wesselingh | -5 | -1 | F | 71 | 67 | 74 | 71 | 283 | ￥ 5,080,000 |
| Yoshinori Mizumaki | -5 | +3 | F | 66 | 73 | 69 | 75 | 283 | ￥ 5,080,000 | |
| 5 | Barry Lane | -4 | +3 | F | 68 | 73 | 68 | 75 | 284 | ￥ 3,080,000 |
| Hideki Kase | -4 | +1 | F | 68 | 75 | 68 | 73 | 284 | ￥ 3,080,000 | |
| 7 | Masahiro Kuramoto | -2 | -5 | F | 71 | 73 | 75 | 67 | 286 | ￥ 2,400,000 |
| 8 | Ikuo Shirahama | -1 | -4 | F | 73 | 75 | 71 | 68 | 287 | ￥ 1,690,000 |
| Naomichi Ozaki | -1 | -1 | F | 68 | 76 | 72 | 71 | 287 | ￥ 1,690,000 | |
| Tsukasa Watanabe | -1 | ±0 | F | 69 | 75 | 71 | 72 | 287 | ￥ 1,690,000 | |
| Katsunari Takahashi | -1 | ±0 | F | 71 | 75 | 69 | 72 | 287 | ￥ 1,690,000 | |
| 12 | Gregory Meyer | ±0 | -1 | F | 72 | 76 | 69 | 71 | 288 | ￥ 1,180,000 |
| Masami Ito | ±0 | +4 | F | 73 | 70 | 69 | 76 | 288 | ￥ 1,180,000 | |
| 14 | Boonchu Ruangkit | +1 | ±0 | F | 72 | 73 | 72 | 72 | 289 | ￥ 944,000 |
| Yutaka Hagawa | +1 | +2 | F | 71 | 71 | 73 | 74 | 289 | ￥ 944,000 | |
| Jong-Duck Kim | +1 | +2 | F | 74 | 71 | 70 | 74 | 289 | ￥ 944,000 | |
| 17 | Ahmad Bateman | +3 | +1 | F | 72 | 73 | 73 | 73 | 291 | ￥ 840,000 |
| 18 | Anthony Gilligan | +4 | +3 | F | 73 | 73 | 71 | 75 | 292 | ￥ 800,000 |
| 19 | Yoichi Sugawara | +5 | +2 | F | 75 | 73 | 71 | 74 | 293 | ￥ 740,000 |
| Shinji Ikeuchi | +5 | +4 | F | 74 | 71 | 72 | 76 | 293 | ￥ 740,000 | |
| 21 | Hiroyuki Iwabuchi | +6 | +2 | F | 72 | 70 | 78 | 74 | 294 | ￥ 657,600 |
| Hajime Meshiai | +6 | +2 | F | 72 | 74 | 74 | 74 | 294 | ￥ 657,600 | |
| Kazunari Matsunaga | +6 | +4 | F | 73 | 73 | 72 | 76 | 294 | ￥ 657,600 | |
| Tsutomu Higa | +6 | +5 | F | 70 | 76 | 71 | 77 | 294 | ￥ 657,600 | |
| Hiroshi Ueda | +6 | +6 | F | 71 | 73 | 72 | 78 | 294 | ￥ 657,600 | |
| 26 | Nobuo Serizawa | +7 | ±0 | F | 75 | 73 | 75 | 72 | 295 | ￥ 608,000 |
| 27 | Hiroshi Makino | +8 | +2 | F | 73 | 72 | 77 | 74 | 296 | ￥ 568,000 |
| Kiyoshi Maita | +8 | +3 | F | 75 | 75 | 71 | 75 | 296 | ￥ 568,000 | |
| Seiji Ebihara | +8 | +5 | F | 75 | 73 | 71 | 77 | 296 | ￥ 568,000 | |
| Nobumasa Nakanishi | +8 | +6 | F | 72 | 75 | 71 | 78 | 296 | ￥ 568,000 | |
| 31 | Takeshi Oyama | +9 | ±0 | F | 75 | 77 | 73 | 72 | 297 | ￥ 508,000 |
| Takeshi Sakiyama | +9 | +1 | F | 72 | 78 | 74 | 73 | 297 | ￥ 508,000 | |
| Seiki Okuda | +9 | +4 | F | 73 | 74 | 74 | 76 | 297 | ￥ 508,000 | |
| Noboru Fujiike | +9 | +3 | F | 72 | 80 | 70 | 75 | 297 | ￥ 508,000 | |
| Yoichi Shimizu | +9 | +5 | F | 74 | 75 | 71 | 77 | 297 | ￥ 508,000 | |
| Takao Komizo | +9 | +5 | F | 75 | 75 | 70 | 77 | 297 | ￥ 508,000 | |
| 37 | Gerry Norquist | +10 | +2 | F | 77 | 72 | 75 | 74 | 298 | ￥ 480,000 |
| 38 | David Ishii | +11 | +1 | F | 76 | 75 | 75 | 73 | 299 | ￥ 464,000 |
| Hitoshi Kato | +11 | +3 | F | 73 | 76 | 75 | 75 | 299 | ￥ 464,000 | |
| Minoru Hatsumi | +11 | +3 | F | 71 | 81 | 72 | 75 | 299 | ￥ 464,000 | |
| 41 | Taijiro Tanaka | +13 | +4 | F | 71 | 77 | 77 | 76 | 301 | ￥ 436,000 |
| Katsuyoshi Tomori | +13 | +4 | F | 75 | 75 | 75 | 76 | 301 | ￥ 436,000 | |
| Norikazu Kawakami | +13 | +4 | F | 78 | 74 | 73 | 76 | 301 | ￥ 436,000 | |
| Tadashige Kusano | +13 | +6 | F | 73 | 76 | 74 | 78 | 301 | ￥ 436,000 | |
| 45 | @ Shingo Matsumoto | +14 | +1 | F | 76 | 76 | 77 | 73 | 302 | - |
| Masahiro Takahashi | +14 | +5 | F | 71 | 76 | 78 | 77 | 302 | ￥ 416,000 | |
| 47 | Yoshinori Kobayashi | +15 | +7 | F | 75 | 76 | 73 | 79 | 303 | ￥ 408,000 |
| 48 | @ Kiyotaka Oie | +16 | +3 | F | 74 | 78 | 77 | 75 | 304 | - |
| Nobumitsu Yuhara | +16 | +6 | F | 73 | 77 | 76 | 78 | 304 | ￥ 400,000 | |
| @ Minoru Sugiyama | +16 | +6 | F | 74 | 76 | 76 | 78 | 304 | - | |
| 51 | Kazushige Shida | +18 | +7 | F | 72 | 77 | 78 | 79 | 306 | ￥ 388,000 |
| Koichi Kamiya | +18 | +7 | F | 74 | 77 | 76 | 79 | 306 | ￥ 388,000 | |
| @ Masahiko Kida | +18 | +9 | F | 76 | 75 | 74 | 81 | 306 | - | |
| 54 | Koji Sato | +19 | +6 | F | 74 | 78 | 77 | 78 | 307 | ￥ 376,000 |
| @ Hajime Suzawa | +19 | +6 | F | 77 | 75 | 77 | 78 | 307 | - | |
| @ Shinji Fukui | +19 | +8 | F | 76 | 75 | 76 | 80 | 307 | - | |
| 57 | Akihiro Ito | +20 | +7 | F | 76 | 76 | 77 | 79 | 308 | ￥ 368,000 |
| 58 | Motomasa Aoki | +21 | +8 | F | 75 | 75 | 79 | 80 | 309 | ￥ 356,000 |
| Hideyuki Sato | +21 | +8 | F | 78 | 73 | 78 | 80 | 309 | ￥ 356,000 | |
| 60 | Katsuji Hasegawa | +22 | +11 | F | 77 | 73 | 77 | 83 | 310 | ￥ 344,000 |
| 61 | @ Toshio Nikawa | +26 | +6 | F | 75 | 77 | 84 | 78 | 314 | - |
| 62 | Toshihiko Matsuo | +27 | +15 | F | 74 | 74 | 80 | 87 | 315 | ￥ 336,000 |
| 63 | Toshiaki Kodama | +28 | +9 | F | 76 | 76 | 83 | 81 | 316 | ￥ 328,000 |