【Full Leaderboard】 Update 07/15 16:41
28th Japan Senior Open Golf Championship 2018
| ROUND 4 | @：Amateur player |
| POS | Player | Score | Rounds | Total | ||||||
| R1 | R2 | R3 | R4 | |||||||
| - | Taijiro Tanaka | +12 | 79 | 75 | - | - | - | |||
| - | Daisuke Serizawa | +12 | 77 | 77 | - | - | - | |||
| - | Masayuki Kawamura | +12 | 76 | 78 | - | - | - | |||
| - | Yoshihiro Hori | +12 | 79 | 75 | - | - | - | |||
| - | Kiyoshige Kaneko | +12 | 81 | 73 | - | - | - | |||
| - | Naonori Nakamura | +12 | 83 | 71 | - | - | - | |||
| - | Katsuyoshi Tomori | +12 | 80 | 74 | - | - | - | |||
| - | Katsunari Takahashi | +12 | 78 | 76 | - | - | - | |||
| - | Satoshi Kawamura | +12 | 78 | 76 | - | - | - | |||
| - | Masanori Ushiyama | +13 | 75 | 80 | - | - | - | |||
| - | Masahiro Takahashi | +13 | 79 | 76 | - | - | - | |||
| - | Takashi Tsutsumi | +13 | 77 | 78 | - | - | - | |||
| - | Naomichi Ozaki | +13 | 75 | 80 | - | - | - | |||
| - | Shigehiko Washio | +13 | 76 | 79 | - | - | - | |||
| - | Eiji Mizoguchi | +13 | 81 | 74 | - | - | - | |||
| - | Gohei Sato | +13 | 77 | 78 | - | - | - | |||
| - | Takeshi Hanzawa | +13 | 82 | 73 | - | - | - | |||
| - | Kozo Mizushina | +13 | 80 | 75 | - | - | - | |||
| - | Yoshio Fumiyama | +13 | 82 | 73 | - | - | - | |||
| - | Yasuhiro Asai | +14 | 77 | 79 | - | - | - | |||
| - | Nobumitsu Yuhara | +14 | 80 | 76 | - | - | - | |||
| - | Hajime Tanaka | +14 | 80 | 76 | - | - | - | |||
| - | @ Hideki Imai | +15 | 82 | 75 | - | - | - | |||
| - | @ Nobuhiro Sawada | +15 | 79 | 78 | - | - | - | |||
| - | Satoshi Oide | +15 | 79 | 78 | - | - | - | |||
| - | Norio Matsuki | +15 | 80 | 77 | - | - | - | |||
| - | Masashi Shimoi | +15 | 79 | 78 | - | - | - | |||
| - | @ Takeshi Tashiro | +15 | 81 | 76 | - | - | - | |||
| - | Yoshio Murakami | +16 | 82 | 76 | - | - | - | |||
| - | Toshihiro Kondo | +16 | 78 | 80 | - | - | - | |||
| - | Takeshi Oyama | +16 | 73 | 85 | - | - | - | |||
| - | Boowon Park | +16 | 81 | 77 | - | - | - | |||
| - | Takaharu Kato | +16 | 82 | 76 | - | - | - | |||
| - | Osamu Tsuchida | +17 | 79 | 80 | - | - | - | |||
| - | @ Kazuma Miyajima | +17 | 81 | 78 | - | - | - | |||
| - | Toshihiro Murata | +17 | 84 | 75 | - | - | - | |||
| - | Masanori Kojima | +18 | 80 | 80 | - | - | - | |||
| - | Akio Nishizawa | +18 | 81 | 79 | - | - | - | |||
| - | Masami Takemura | +18 | 81 | 79 | - | - | - | |||
| - | @ Hiroshi Wada | +19 | 83 | 78 | - | - | - | |||
| - | Hiroshi Makino | +19 | 83 | 78 | - | - | - | |||
| - | Takenori Kamobayashi | +20 | 84 | 78 | - | - | - | |||
| - | Toshihiko Kikuichi | +20 | 80 | 82 | - | - | - | |||
| - | Hitoshi Iwata | +20 | 82 | 80 | - | - | - | |||
| - | Koichi Hashiguchi | +20 | 85 | 77 | - | - | - | |||
| - | @ Kazuhiko Muramatsu | +21 | 84 | 79 | - | - | - | |||
| - | Akira Otani | +21 | 86 | 77 | - | - | - | |||
| - | Osamu Fukasawa | +21 | 81 | 82 | - | - | - | |||
| - | Hiroki Hayakawa | +22 | 83 | 81 | - | - | - | |||
| - | @ Toshiaki Tamura | +22 | 82 | 82 | - | - | - | |||
| - | @ Koji Azuma | +22 | 81 | 83 | - | - | - | |||
| - | @ Hiroyasu Yokoyama | +23 | 85 | 80 | - | - | - | |||
| - | Shoichi Yamamoto | +23 | 84 | 81 | - | - | - | |||
| - | Setsuo Hamada | +25 | 87 | 80 | - | - | - | |||
| - | Yoshichika Miyoshi | +26 | 82 | 86 | - | - | - | |||
| - | Hideaki Yamashita | +26 | 84 | 84 | - | - | - | |||
| - | @ Takeshi Toyama | +32 | 85 | 89 | - | - | - | |||
| WD | Tateo Ozaki | |||||||||
| WD | @ Yoshihiro Tanaka | |||||||||
| WD | @ Akishiro Hinazuru | |||||||||
| WD | Koichi Hirabayashi | |||||||||