【Full Leaderboard】 Update 07/15 16:41
28th Japan Senior Open Golf Championship 2018
| ROUND 1 | @：Amateur player |
| POS | Player | Score | Today | Hole | Rounds | Total | ||||
| R1 | R2 | R3 | R4 | |||||||
| 1 | Gregory Meyer | -1 | -1 | F | 70 | - | - | - | 70 | |
| Ikuo Shirahama | -1 | -1 | F | 70 | - | - | - | 70 | ||
| 3 | Jong-Duck Kim | ±0 | ±0 | F | 71 | - | - | - | 71 | |
| Hidezumi Shirakata | ±0 | ±0 | F | 71 | - | - | - | 71 | ||
| Akira Teranishi | ±0 | ±0 | F | 71 | - | - | - | 71 | ||
| Toshimitsu Izawa | ±0 | ±0 | F | 71 | - | - | - | 71 | ||
| Ryoken Kawagishi | ±0 | ±0 | F | 71 | - | - | - | 71 | ||
| Katsumi Kubo | ±0 | ±0 | F | 71 | - | - | - | 71 | ||
| Tsukasa Watanabe | ±0 | ±0 | F | 71 | - | - | - | 71 | ||
| 10 | Toru Taniguchi | +1 | +1 | F | 72 | - | - | - | 72 | |
| Chien-Soon Lu | +1 | +1 | F | 72 | - | - | - | 72 | ||
| Hiroshi Tominaga | +1 | +1 | F | 72 | - | - | - | 72 | ||
| 13 | Takeshi Oyama | +2 | +2 | F | 73 | - | - | - | 73 | |
| Koichi Nogami | +2 | +2 | F | 73 | - | - | - | 73 | ||
| Yoshinori Mizumaki | +2 | +2 | F | 73 | - | - | - | 73 | ||
| Tsuyoshi Yoneyama | +2 | +2 | F | 73 | - | - | - | 73 | ||
| Takeshi Sakiyama | +2 | +2 | F | 73 | - | - | - | 73 | ||
| Kazuhiro Takami | +2 | +2 | F | 73 | - | - | - | 73 | ||
| 19 | Prayad Marksaeng | +3 | +3 | F | 74 | - | - | - | 74 | |
| Yuji Fukuda | +3 | +3 | F | 74 | - | - | - | 74 | ||
| Ter-Chang Wang | +3 | +3 | F | 74 | - | - | - | 74 | ||
| Toru Suzuki | +3 | +3 | F | 74 | - | - | - | 74 | ||
| Takeshi Nakashima | +3 | +3 | F | 74 | - | - | - | 74 | ||
| Mitsuo Harada | +3 | +3 | F | 74 | - | - | - | 74 | ||
| @ Takashi Kamei | +3 | +3 | F | 74 | - | - | - | 74 | ||
| Kiyoshi Maita | +3 | +3 | F | 74 | - | - | - | 74 | ||
| 27 | Masayoshi Nakayama | +4 | +4 | F | 75 | - | - | - | 75 | |
| Naomichi Ozaki | +4 | +4 | F | 75 | - | - | - | 75 | ||
| Hideki Kase | +4 | +4 | F | 75 | - | - | - | 75 | ||
| Hatsuo Nakane | +4 | +4 | F | 75 | - | - | - | 75 | ||
| Ken Hayano | +4 | +4 | F | 75 | - | - | - | 75 | ||
| Satoshi Higashi | +4 | +4 | F | 75 | - | - | - | 75 | ||
| Wen-Teh Lu | +4 | +4 | F | 75 | - | - | - | 75 | ||
| Hidekazu Makino | +4 | +4 | F | 75 | - | - | - | 75 | ||
| Masanori Ushiyama | +4 | +4 | F | 75 | - | - | - | 75 | ||
| Masayoshi Yamazoe | +4 | +4 | F | 75 | - | - | - | 75 | ||
| 37 | Tatsuru Watanabe | +5 | +5 | F | 76 | - | - | - | 76 | |
| Shigehiko Washio | +5 | +5 | F | 76 | - | - | - | 76 | ||
| @ Masahiko Kida | +5 | +5 | F | 76 | - | - | - | 76 | ||
| Naoyuki Tamura | +5 | +5 | F | 76 | - | - | - | 76 | ||
| Hitoshi Kato | +5 | +5 | F | 76 | - | - | - | 76 | ||
| Takenori Hiraishi | +5 | +5 | F | 76 | - | - | - | 76 | ||
| Shinichi Akiba | +5 | +5 | F | 76 | - | - | - | 76 | ||
| Nobumasa Nakanishi | +5 | +5 | F | 76 | - | - | - | 76 | ||
| Kyoji Hirota | +5 | +5 | F | 76 | - | - | - | 76 | ||
| Hiroya Kamide | +5 | +5 | F | 76 | - | - | - | 76 | ||
| Masayuki Kawamura | +5 | +5 | F | 76 | - | - | - | 76 | ||
| Yoichi Shimizu | +5 | +5 | F | 76 | - | - | - | 76 | ||
| Kohki Idoki | +5 | +5 | F | 76 | - | - | - | 76 | ||
| Yoichi Sugawara | +5 | +5 | F | 76 | - | - | - | 76 | ||
| 51 | Yoshikatsu Saito | +6 | +6 | F | 77 | - | - | - | 77 | |
| Gohei Sato | +6 | +6 | F | 77 | - | - | - | 77 | ||
| Yasuhiro Asai | +6 | +6 | F | 77 | - | - | - | 77 | ||
| Atsushi Takamatsu | +6 | +6 | F | 77 | - | - | - | 77 | ||
| Shinichi Yamazaki | +6 | +6 | F | 77 | - | - | - | 77 | ||
| Taku Yamanaka | +6 | +6 | F | 77 | - | - | - | 77 | ||
| Daisuke Serizawa | +6 | +6 | F | 77 | - | - | - | 77 | ||
| Seijiro Inagaki | +6 | +6 | F | 77 | - | - | - | 77 | ||
| Masahiro Kuramoto | +6 | +6 | F | 77 | - | - | - | 77 | ||
| Takashi Tsutsumi | +6 | +6 | F | 77 | - | - | - | 77 | ||
| 61 | Katsunari Takahashi | +7 | +7 | F | 78 | - | - | - | 78 | |
| Satoshi Kawamura | +7 | +7 | F | 78 | - | - | - | 78 | ||
| Yoshitaka Yamada | +7 | +7 | F | 78 | - | - | - | 78 | ||
| Satoshi Aoki | +7 | +7 | F | 78 | - | - | - | 78 | ||
| Shintaro Iizuka | +7 | +7 | F | 78 | - | - | - | 78 | ||
| Norio Hosoya | +7 | +7 | F | 78 | - | - | - | 78 | ||
| Thaworn Wiratchant | +7 | +7 | F | 78 | - | - | - | 78 | ||
| Toshihiro Kondo | +7 | +7 | F | 78 | - | - | - | 78 | ||
| 69 | Masashi Shimoi | +8 | +8 | F | 79 | - | - | - | 79 | |
| Masayuki Tomita | +8 | +8 | F | 79 | - | - | - | 79 | ||
| Osamu Tsuchida | +8 | +8 | F | 79 | - | - | - | 79 | ||
| Yoshihiro Hori | +8 | +8 | F | 79 | - | - | - | 79 | ||
| Akihito Yokoyama | +8 | +8 | F | 79 | - | - | - | 79 | ||
| Taijiro Tanaka | +8 | +8 | F | 79 | - | - | - | 79 | ||
| Masahiro Takahashi | +8 | +8 | F | 79 | - | - | - | 79 | ||
| Seiki Okuda | +8 | +8 | F | 79 | - | - | - | 79 | ||
| Takaaki Fukuzawa | +8 | +8 | F | 79 | - | - | - | 79 | ||
| Frankie Minoza | +8 | +8 | F | 79 | - | - | - | 79 | ||
| @ Nobuhiro Sawada | +8 | +8 | F | 79 | - | - | - | 79 | ||
| Satoshi Oide | +8 | +8 | F | 79 | - | - | - | 79 | ||
| 81 | Toshihiko Kikuichi | +9 | +9 | F | 80 | - | - | - | 80 | |
| Katsuyoshi Tomori | +9 | +9 | F | 80 | - | - | - | 80 | ||
| Nobumitsu Yuhara | +9 | +9 | F | 80 | - | - | - | 80 | ||
| Yutaka Hagawa | +9 | +9 | F | 80 | - | - | - | 80 | ||
| Masami Ito | +9 | +9 | F | 80 | - | - | - | 80 | ||
| Hajime Tanaka | +9 | +9 | F | 80 | - | - | - | 80 | ||
| Kozo Mizushina | +9 | +9 | F | 80 | - | - | - | 80 | ||
| Tetsu Nishikawa | +9 | +9 | F | 80 | - | - | - | 80 | ||
| Masanori Kojima | +9 | +9 | F | 80 | - | - | - | 80 | ||
| Nobuo Serizawa | +9 | +9 | F | 80 | - | - | - | 80 | ||
| Norio Matsuki | +9 | +9 | F | 80 | - | - | - | 80 | ||
| 92 | Boowon Park | +10 | +10 | F | 81 | - | - | - | 81 | |
| @ Kazuma Miyajima | +10 | +10 | F | 81 | - | - | - | 81 | ||
| Kiyoshige Kaneko | +10 | +10 | F | 81 | - | - | - | 81 | ||
| Eiji Mizoguchi | +10 | +10 | F | 81 | - | - | - | 81 | ||
| @ Koji Azuma | +10 | +10 | F | 81 | - | - | - | 81 | ||
| Osamu Fukasawa | +10 | +10 | F | 81 | - | - | - | 81 | ||
| @ Takeshi Tashiro | +10 | +10 | F | 81 | - | - | - | 81 | ||
| Masami Takemura | +10 | +10 | F | 81 | - | - | - | 81 | ||
| Akio Nishizawa | +10 | +10 | F | 81 | - | - | - | 81 | ||
| 101 | Hitoshi Iwata | +11 | +11 | F | 82 | - | - | - | 82 | |
| @ Toshiaki Tamura | +11 | +11 | F | 82 | - | - | - | 82 | ||
| Takeshi Hanzawa | +11 | +11 | F | 82 | - | - | - | 82 | ||
| Takaharu Kato | +11 | +11 | F | 82 | - | - | - | 82 | ||
| Yoshio Fumiyama | +11 | +11 | F | 82 | - | - | - | 82 | ||
| @ Hideki Imai | +11 | +11 | F | 82 | - | - | - | 82 | ||
| Yoshio Murakami | +11 | +11 | F | 82 | - | - | - | 82 | ||
| @ Akishiro Hinazuru | +11 | +11 | F | 82 | - | - | - | 82 | ||
| Yoshichika Miyoshi | +11 | +11 | F | 82 | - | - | - | 82 | ||
| 110 | Naonori Nakamura | +12 | +12 | F | 83 | - | - | - | 83 | |
| Hiroshi Makino | +12 | +12 | F | 83 | - | - | - | 83 | ||
| Hiroki Hayakawa | +12 | +12 | F | 83 | - | - | - | 83 | ||
| Tateo Ozaki | +12 | +12 | F | 83 | - | - | - | 83 | ||
| @ Hiroshi Wada | +12 | +12 | F | 83 | - | - | - | 83 | ||
| 115 | Shoichi Yamamoto | +13 | +13 | F | 84 | - | - | - | 84 | |
| Toshihiro Murata | +13 | +13 | F | 84 | - | - | - | 84 | ||
| Hideaki Yamashita | +13 | +13 | F | 84 | - | - | - | 84 | ||
| @ Kazuhiko Muramatsu | +13 | +13 | F | 84 | - | - | - | 84 | ||
| Takenori Kamobayashi | +13 | +13 | F | 84 | - | - | - | 84 | ||
| 120 | @ Takeshi Toyama | +14 | +14 | F | 85 | - | - | - | 85 | |
| Koichi Hashiguchi | +14 | +14 | F | 85 | - | - | - | 85 | ||
| @ Hiroyasu Yokoyama | +14 | +14 | F | 85 | - | - | - | 85 | ||
| 123 | Akira Otani | +15 | +15 | F | 86 | - | - | - | 86 | |
| 124 | Setsuo Hamada | +16 | +16 | F | 87 | - | - | - | 87 | |
| 125 | @ Yoshihiro Tanaka | +17 | +17 | F | 88 | - | - | - | 88 | |
| WD | Koichi Hirabayashi | |||||||||
| WD | Shinsuke Yanagisawa | |||||||||