【Full Leaderboard】 Update 05/20 15:10
22nd Japan Senior Open Golf Championship 2012
| ROUND 1 | @：Amateur player |
| POS | Player | Score | Today | Hole | Rounds | Total | ||||
| R1 | R2 | R3 | R4 | |||||||
| 1 | Frankie Minoza | -3 | -3 | F | 69 | - | - | - | 69 | |
| 2 | Naomichi Ozaki | -2 | -2 | F | 70 | - | - | - | 70 | |
| Koki Idoki | -2 | -2 | F | 70 | - | - | - | 70 | ||
| Tsuneyuki Nakajima | -2 | -2 | F | 70 | - | - | - | 70 | ||
| Kiyoshi Murota | -2 | -2 | F | 70 | - | - | - | 70 | ||
| Kiyoshi Maita | -2 | -2 | F | 70 | - | - | - | 70 | ||
| Barry Lane | -2 | -2 | F | 70 | - | - | - | 70 | ||
| 8 | Seiki Okuda | -1 | -1 | F | 71 | - | - | - | 71 | |
| Yutaka Hagawa | -1 | -1 | F | 71 | - | - | - | 71 | ||
| 10 | Kimpachi Yoshimura | ±0 | ±0 | F | 72 | - | - | - | 72 | |
| Boonchu Ruangkit | ±0 | ±0 | F | 72 | - | - | - | 72 | ||
| Hideki Kase | ±0 | ±0 | F | 72 | - | - | - | 72 | ||
| Ikuo Shirahama | ±0 | ±0 | F | 72 | - | - | - | 72 | ||
| Kazuo Kanayama | ±0 | ±0 | F | 72 | - | - | - | 72 | ||
| Nobumitsu Yuhara | ±0 | ±0 | F | 72 | - | - | - | 72 | ||
| Satoshi Higashi | ±0 | ±0 | F | 72 | - | - | - | 72 | ||
| 17 | Atsushi Takamatsu | +1 | +1 | F | 73 | - | - | - | 73 | |
| Yasuzo Hagiwara | +1 | +1 | F | 73 | - | - | - | 73 | ||
| Katsuji Hasegawa | +1 | +1 | F | 73 | - | - | - | 73 | ||
| Yoshinori Mizumaki | +1 | +1 | F | 73 | - | - | - | 73 | ||
| Michael Harwood | +1 | +1 | F | 73 | - | - | - | 73 | ||
| Takenori Hiraishi | +1 | +1 | F | 73 | - | - | - | 73 | ||
| Yoshitaka Yamamoto | +1 | +1 | F | 73 | - | - | - | 73 | ||
| 24 | Gregory Meyer | +2 | +2 | F | 74 | - | - | - | 74 | |
| Katsuyoshi Tomori | +2 | +2 | F | 74 | - | - | - | 74 | ||
| Kazunari Matsunaga | +2 | +2 | F | 74 | - | - | - | 74 | ||
| Hiromichi Namiki | +2 | +2 | F | 74 | - | - | - | 74 | ||
| Tomoyuki Nagai | +2 | +2 | F | 74 | - | - | - | 74 | ||
| Katsumi Kubo | +2 | +2 | F | 74 | - | - | - | 74 | ||
| Peter Fowler | +2 | +2 | F | 74 | - | - | - | 74 | ||
| David J Russell | +2 | +2 | F | 74 | - | - | - | 74 | ||
| Kazushige Shida | +2 | +2 | F | 74 | - | - | - | 74 | ||
| Yoshihisa Kosaka | +2 | +2 | F | 74 | - | - | - | 74 | ||
| Takashi Miyoshi | +2 | +2 | F | 74 | - | - | - | 74 | ||
| 35 | Masami Ito | +3 | +3 | F | 75 | - | - | - | 75 | |
| Masahiro Kuramoto | +3 | +3 | F | 75 | - | - | - | 75 | ||
| Nobuo Serizawa | +3 | +3 | F | 75 | - | - | - | 75 | ||
| Hiroshi Tominaga | +3 | +3 | F | 75 | - | - | - | 75 | ||
| Minoru Hatsumi | +3 | +3 | F | 75 | - | - | - | 75 | ||
| Tsukasa Watanabe | +3 | +3 | F | 75 | - | - | - | 75 | ||
| 41 | Roberto Pactolerin | +4 | +4 | F | 76 | - | - | - | 76 | |
| Yoichi Sugawara | +4 | +4 | F | 76 | - | - | - | 76 | ||
| @ Toshiaki Tamura | +4 | +4 | F | 76 | - | - | - | 76 | ||
| Isao Aoki | +4 | +4 | F | 76 | - | - | - | 76 | ||
| Takaaki Fukuzawa | +4 | +4 | F | 76 | - | - | - | 76 | ||
| Shinji Ikeuchi | +4 | +4 | F | 76 | - | - | - | 76 | ||
| 47 | Mitsuharu Suzuki | +5 | +5 | F | 77 | - | - | - | 77 | |
| Kazushige Oya | +5 | +5 | F | 77 | - | - | - | 77 | ||
| Hajime Meshiai | +5 | +5 | F | 77 | - | - | - | 77 | ||
| Hideto Shigenobu | +5 | +5 | F | 77 | - | - | - | 77 | ||
| Teruyasu Hayashi | +5 | +5 | F | 77 | - | - | - | 77 | ||
| Jong-Duck Kim | +5 | +5 | F | 77 | - | - | - | 77 | ||
| Keiji Teshima | +5 | +5 | F | 77 | - | - | - | 77 | ||
| Satoshi Oide | +5 | +5 | F | 77 | - | - | - | 77 | ||
| @ Shingo Matsumoto | +5 | +5 | F | 77 | - | - | - | 77 | ||
| @ Minoru Sugiyama | +5 | +5 | F | 77 | - | - | - | 77 | ||
| Koji Okuno | +5 | +5 | F | 77 | - | - | - | 77 | ||
| @ Toshiharu Kimura | +5 | +5 | F | 77 | - | - | - | 77 | ||
| Marc Farry | +5 | +5 | F | 77 | - | - | - | 77 | ||
| Hitoshi Kato | +5 | +5 | F | 77 | - | - | - | 77 | ||
| Koichi Takabe | +5 | +5 | F | 77 | - | - | - | 77 | ||
| 62 | Toshinori Horiki | +6 | +6 | F | 78 | - | - | - | 78 | |
| Yukio Noguchi | +6 | +6 | F | 78 | - | - | - | 78 | ||
| Yoshio Fumiyama | +6 | +6 | F | 78 | - | - | - | 78 | ||
| Dragon Taki | +6 | +6 | F | 78 | - | - | - | 78 | ||
| @ Yoshinari Kanebayashi | +6 | +6 | F | 78 | - | - | - | 78 | ||
| Kazuhiro Takami | +6 | +6 | F | 78 | - | - | - | 78 | ||
| Norikazu Kawakami | +6 | +6 | F | 78 | - | - | - | 78 | ||
| 69 | Takashi Hishinuma | +7 | +7 | F | 79 | - | - | - | 79 | |
| Taisei Inagaki | +7 | +7 | F | 79 | - | - | - | 79 | ||
| Gohei Sato | +7 | +7 | F | 79 | - | - | - | 79 | ||
| Shuichi Sano | +7 | +7 | F | 79 | - | - | - | 79 | ||
| Seiji Ebihara | +7 | +7 | F | 79 | - | - | - | 79 | ||
| Katsunari Takahashi | +7 | +7 | F | 79 | - | - | - | 79 | ||
| Akihiro Ito | +7 | +7 | F | 79 | - | - | - | 79 | ||
| Ian Woosnam | +7 | +7 | F | 79 | - | - | - | 79 | ||
| Hikaru Emoto | +7 | +7 | F | 79 | - | - | - | 79 | ||
| Tatsuya Kihara | +7 | +7 | F | 79 | - | - | - | 79 | ||
| @ Hiroshi Wada | +7 | +7 | F | 79 | - | - | - | 79 | ||
| 80 | Joji Fujiki | +8 | +8 | F | 80 | - | - | - | 80 | |
| Yasuyuki Ishii | +8 | +8 | F | 80 | - | - | - | 80 | ||
| Hisao Yamazaki | +8 | +8 | F | 80 | - | - | - | 80 | ||
| Satoru Kamanaka | +8 | +8 | F | 80 | - | - | - | 80 | ||
| Tomohiro Maruyama | +8 | +8 | F | 80 | - | - | - | 80 | ||
| @ Toshiki Sakiyama | +8 | +8 | F | 80 | - | - | - | 80 | ||
| Toshio Shimamura | +8 | +8 | F | 80 | - | - | - | 80 | ||
| 87 | Toshimitsu Kai | +9 | +9 | F | 81 | - | - | - | 81 | |
| @ Hironori Morita | +9 | +9 | F | 81 | - | - | - | 81 | ||
| Tsunemi Nakajima | +9 | +9 | F | 81 | - | - | - | 81 | ||
| @ Nobuhiro Sawada | +9 | +9 | F | 81 | - | - | - | 81 | ||
| 91 | @ Toshikazu Niwa | +10 | +10 | F | 82 | - | - | - | 82 | |
| Misao Yamamoto | +10 | +10 | F | 82 | - | - | - | 82 | ||
| Hiroshi Fujita | +10 | +10 | F | 82 | - | - | - | 82 | ||
| @ Toshio Shirai | +10 | +10 | F | 82 | - | - | - | 82 | ||
| 95 | David Ishii | +11 | +11 | F | 83 | - | - | - | 83 | |
| Toshizo Hashino | +11 | +11 | F | 83 | - | - | - | 83 | ||
| Yuji Takagi | +11 | +11 | F | 83 | - | - | - | 83 | ||
| Yasumasa Oikubo | +11 | +11 | F | 83 | - | - | - | 83 | ||
| @ Mikio Shimura | +11 | +11 | F | 83 | - | - | - | 83 | ||
| 100 | Masahiko Akazawa | +12 | +12 | F | 84 | - | - | - | 84 | |
| Hiroshi Todate | +12 | +12 | F | 84 | - | - | - | 84 | ||
| 102 | Hidenori Nakajima | +13 | +13 | F | 85 | - | - | - | 85 | |
| Takamichi Ichikawa | +13 | +13 | F | 85 | - | - | - | 85 | ||
| 104 | @ Toshio Soma | +14 | +14 | F | 86 | - | - | - | 86 | |
| 105 | Yoshimi Niizeki | +15 | +15 | F | 87 | - | - | - | 87 | |
| @ Takeo Matsumoto | +15 | +15 | F | 87 | - | - | - | 87 | ||
| 107 | Yoshimi Otani | +18 | +18 | F | 90 | - | - | - | 90 | |
| 108 | @ Masaki Minami | +21 | +21 | F | 93 | - | - | - | 93 | |
| WD | Hiroshi Ueda | |||||||||