【Full Leaderboard】 Update 07/15 16:41
28th Japan Senior Open Golf Championship 2018
| ROUND 4 | @：Amateur player |
| POS | Player | Score | Today | Hole | Rounds | Total | Prize | |||
| R1 | R2 | R3 | R4 | |||||||
| 1 | Prayad Marksaeng | -5 | -1 | F | 74 | 68 | 67 | 70 | 279 | ￥ 16,000,000 |
| 2 | Toru Taniguchi | ±0 | +1 | F | 72 | 66 | 74 | 72 | 284 | ￥ 8,800,000 |
| 3 | Tsuyoshi Yoneyama | +1 | -2 | F | 73 | 72 | 71 | 69 | 285 | ￥ 4,506,666 |
| Akira Teranishi | +1 | +2 | F | 71 | 68 | 73 | 73 | 285 | ￥ 4,506,666 | |
| Jong-Duck Kim | +1 | +2 | F | 71 | 69 | 72 | 73 | 285 | ￥ 4,506,666 | |
| 6 | Kyoji Hirota | +3 | -1 | F | 76 | 68 | 73 | 70 | 287 | ￥ 2,600,000 |
| Kohki Idoki | +3 | -1 | F | 76 | 71 | 70 | 70 | 287 | ￥ 2,600,000 | |
| 8 | Hideki Kase | +4 | +1 | F | 75 | 69 | 72 | 72 | 288 | ￥ 1,786,666 |
| Shinichi Akiba | +4 | +2 | F | 76 | 69 | 70 | 73 | 288 | ￥ 1,786,666 | |
| Takeshi Sakiyama | +4 | +3 | F | 73 | 70 | 71 | 74 | 288 | ￥ 1,786,666 | |
| 11 | Hidezumi Shirakata | +5 | +2 | F | 71 | 74 | 71 | 73 | 289 | ￥ 1,253,333 |
| Chien-Soon Lu | +5 | +4 | F | 72 | 71 | 71 | 75 | 289 | ￥ 1,253,333 | |
| Toru Suzuki | +5 | +4 | F | 74 | 70 | 70 | 75 | 289 | ￥ 1,253,333 | |
| 14 | Katsumi Kubo | +6 | +4 | F | 71 | 73 | 71 | 75 | 290 | ￥ 1,008,000 |
| 15 | Ryoken Kawagishi | +7 | +8 | F | 71 | 70 | 71 | 79 | 291 | ￥ 944,000 |
| 16 | Masayoshi Yamazoe | +8 | +2 | F | 75 | 71 | 73 | 73 | 292 | ￥ 840,000 |
| Toshimitsu Izawa | +8 | +4 | F | 71 | 73 | 73 | 75 | 292 | ￥ 840,000 | |
| Hiroshi Tominaga | +8 | +3 | F | 72 | 72 | 74 | 74 | 292 | ￥ 840,000 | |
| 19 | Gregory Meyer | +9 | +3 | F | 70 | 73 | 76 | 74 | 293 | ￥ 760,000 |
| 20 | Ikuo Shirahama | +10 | +4 | F | 70 | 74 | 75 | 75 | 294 | ￥ 708,000 |
| Tsukasa Watanabe | +10 | +4 | F | 71 | 75 | 73 | 75 | 294 | ￥ 708,000 | |
| 22 | Hiroya Kamide | +12 | +2 | F | 76 | 71 | 76 | 73 | 296 | ￥ 648,000 |
| Shintaro Iizuka | +12 | +2 | F | 78 | 72 | 73 | 73 | 296 | ￥ 648,000 | |
| Yoshinori Mizumaki | +12 | +3 | F | 73 | 73 | 76 | 74 | 296 | ￥ 648,000 | |
| Koichi Nogami | +12 | +5 | F | 73 | 73 | 74 | 76 | 296 | ￥ 648,000 | |
| 26 | Hitoshi Kato | +14 | +2 | F | 76 | 76 | 73 | 73 | 298 | ￥ 576,000 |
| Masami Ito | +14 | +3 | F | 80 | 71 | 73 | 74 | 298 | ￥ 576,000 | |
| Yutaka Hagawa | +14 | +3 | F | 80 | 72 | 72 | 74 | 298 | ￥ 576,000 | |
| Masahiro Kuramoto | +14 | +4 | F | 77 | 71 | 75 | 75 | 298 | ￥ 576,000 | |
| Frankie Minoza | +14 | +4 | F | 79 | 70 | 74 | 75 | 298 | ￥ 576,000 | |
| 31 | Kiyoshi Maita | +15 | +3 | F | 74 | 74 | 77 | 74 | 299 | ￥ 520,000 |
| Akihito Yokoyama | +15 | +6 | F | 79 | 72 | 71 | 77 | 299 | ￥ 520,000 | |
| Kazuhiro Takami | +15 | +8 | F | 73 | 75 | 72 | 79 | 299 | ￥ 520,000 | |
| 34 | Ter-Chang Wang | +16 | +5 | F | 74 | 73 | 77 | 76 | 300 | ￥ 492,000 |
| Hatsuo Nakane | +16 | +5 | F | 75 | 77 | 72 | 76 | 300 | ￥ 492,000 | |
| Yoichi Shimizu | +16 | +6 | F | 76 | 71 | 76 | 77 | 300 | ￥ 492,000 | |
| Thaworn Wiratchant | +16 | +10 | F | 78 | 70 | 71 | 81 | 300 | ￥ 492,000 | |
| 38 | Atsushi Takamatsu | +17 | +3 | F | 77 | 75 | 75 | 74 | 301 | ￥ 468,000 |
| Wen-Teh Lu | +17 | +8 | F | 75 | 70 | 77 | 79 | 301 | ￥ 468,000 | |
| 40 | Satoshi Higashi | +19 | +4 | F | 75 | 75 | 78 | 75 | 303 | ￥ 452,000 |
| Masayoshi Nakayama | +19 | +9 | F | 75 | 72 | 76 | 80 | 303 | ￥ 452,000 | |
| 42 | Seiki Okuda | +20 | +4 | F | 79 | 74 | 76 | 75 | 304 | ￥ 432,000 |
| Naoyuki Tamura | +20 | +6 | F | 76 | 73 | 78 | 77 | 304 | ￥ 432,000 | |
| Ken Hayano | +20 | +8 | F | 75 | 74 | 76 | 79 | 304 | ￥ 432,000 | |
| 45 | Mitsuo Harada | +21 | +6 | F | 74 | 71 | 83 | 77 | 305 | ￥ 404,000 |
| Tatsuru Watanabe | +21 | +6 | F | 76 | 74 | 78 | 77 | 305 | ￥ 404,000 | |
| Yoshikatsu Saito | +21 | +8 | F | 77 | 73 | 76 | 79 | 305 | ￥ 404,000 | |
| Hidekazu Makino | +21 | +9 | F | 75 | 72 | 78 | 80 | 305 | ￥ 404,000 | |
| 49 | Masayuki Tomita | +22 | +7 | F | 79 | 74 | 75 | 78 | 306 | ￥ 380,000 |
| Shinichi Yamazaki | +22 | +10 | F | 77 | 70 | 78 | 81 | 306 | ￥ 380,000 | |
| 51 | Nobuo Serizawa | +23 | +4 | F | 80 | 73 | 79 | 75 | 307 | ￥ 364,000 |
| Taku Yamanaka | +23 | +5 | F | 77 | 76 | 78 | 76 | 307 | ￥ 364,000 | |
| 53 | Takeshi Nakashima | +24 | +8 | F | 74 | 75 | 80 | 79 | 308 | ￥ 348,000 |
| Yoshitaka Yamada | +24 | +8 | F | 78 | 74 | 77 | 79 | 308 | ￥ 348,000 | |
| 55 | Norio Hosoya | +25 | +7 | F | 78 | 74 | 79 | 78 | 309 | ￥ 324,000 |
| Tetsu Nishikawa | +25 | +7 | F | 80 | 73 | 78 | 78 | 309 | ￥ 324,000 | |
| Takaaki Fukuzawa | +25 | +8 | F | 79 | 69 | 82 | 79 | 309 | ￥ 324,000 | |
| Nobumasa Nakanishi | +25 | +13 | F | 76 | 71 | 78 | 84 | 309 | ￥ 324,000 | |
| 59 | Takenori Hiraishi | +26 | +10 | F | 76 | 74 | 79 | 81 | 310 | ￥ 300,000 |
| Yoichi Sugawara | +26 | +11 | F | 76 | 75 | 77 | 82 | 310 | ￥ 300,000 | |
| 61 | Yuji Fukuda | +29 | +10 | F | 74 | 79 | 79 | 81 | 313 | ￥ 288,000 |
| Satoshi Aoki | +29 | +11 | F | 78 | 74 | 79 | 82 | 313 | ￥ 288,000 | |
| @ Takashi Kamei | +29 | +11 | F | 74 | 78 | 79 | 82 | 313 | - | |
| 64 | Seijiro Inagaki | +35 | +15 | F | 77 | 75 | 81 | 86 | 319 | ￥ 288,000 |
| 65 | @ Masahiko Kida | +38 | +13 | F | 76 | 77 | 85 | 84 | 322 | - |