【Full Leaderboard】 Update 05/20 15:06
20th Japan Senior Open Golf Championship 2010
| ROUND 1 | @：Amateur player |
| POS | Player | Score | Today | Hole | Rounds | Total | ||||
| R1 | R2 | R3 | R4 | |||||||
| 1 | Yoshinori Mizumaki | -2 | -2 | F | 68 | - | - | - | 68 | |
| Tomohiro Maruyama | -2 | -2 | F | 68 | - | - | - | 68 | ||
| 3 | Kiyoshi Murota | -1 | -1 | F | 69 | - | - | - | 69 | |
| 4 | Nobumitsu Yuhara | ±0 | ±0 | F | 70 | - | - | - | 70 | |
| Mike Harwood | ±0 | ±0 | F | 70 | - | - | - | 70 | ||
| Tsuneyuki Nakajima | ±0 | ±0 | F | 70 | - | - | - | 70 | ||
| Koichi Kamiya | ±0 | ±0 | F | 70 | - | - | - | 70 | ||
| 8 | Katsunari Takahashi | +1 | +1 | F | 71 | - | - | - | 71 | |
| 9 | Nobuo Serizawa | +2 | +2 | F | 72 | - | - | - | 72 | |
| Gwang-Soo Choi | +2 | +2 | F | 72 | - | - | - | 72 | ||
| Masami Ito | +2 | +2 | F | 72 | - | - | - | 72 | ||
| Yoshio Fumiyama | +2 | +2 | F | 72 | - | - | - | 72 | ||
| Takaaki Fukuzawa | +2 | +2 | F | 72 | - | - | - | 72 | ||
| Mike Cunning | +2 | +2 | F | 72 | - | - | - | 72 | ||
| Kiyoshi Maita | +2 | +2 | F | 72 | - | - | - | 72 | ||
| Yoshikazu Yokoshima | +2 | +2 | F | 72 | - | - | - | 72 | ||
| 17 | Masanobu Kimura | +3 | +3 | F | 73 | - | - | - | 73 | |
| Hiroshi Ueda | +3 | +3 | F | 73 | - | - | - | 73 | ||
| Boonchu Ruangkit | +3 | +3 | F | 73 | - | - | - | 73 | ||
| Satoshi Aoki | +3 | +3 | F | 73 | - | - | - | 73 | ||
| Takashi Miyoshi | +3 | +3 | F | 73 | - | - | - | 73 | ||
| David Merriman | +3 | +3 | F | 73 | - | - | - | 73 | ||
| Tsukasa Watanabe | +3 | +3 | F | 73 | - | - | - | 73 | ||
| Hideki Kase | +3 | +3 | F | 73 | - | - | - | 73 | ||
| Tadashige Kusano | +3 | +3 | F | 73 | - | - | - | 73 | ||
| Kenshi Ikeda | +3 | +3 | F | 73 | - | - | - | 73 | ||
| 27 | Shinji Ikeuchi | +4 | +4 | F | 74 | - | - | - | 74 | |
| Seiji Ebihara | +4 | +4 | F | 74 | - | - | - | 74 | ||
| Gohei Sato | +4 | +4 | F | 74 | - | - | - | 74 | ||
| Tateo Ozaki | +4 | +4 | F | 74 | - | - | - | 74 | ||
| Yukio Noguchi | +4 | +4 | F | 74 | - | - | - | 74 | ||
| Katsuyoshi Tomori | +4 | +4 | F | 74 | - | - | - | 74 | ||
| Teruo Nakamura | +4 | +4 | F | 74 | - | - | - | 74 | ||
| Isao Aoki | +4 | +4 | F | 74 | - | - | - | 74 | ||
| 35 | Fumio Noji | +5 | +5 | F | 75 | - | - | - | 75 | |
| Taisei Inagaki | +5 | +5 | F | 75 | - | - | - | 75 | ||
| Koji Okuno | +5 | +5 | F | 75 | - | - | - | 75 | ||
| Takenori Hiraishi | +5 | +5 | F | 75 | - | - | - | 75 | ||
| Minoru Hatsumi | +5 | +5 | F | 75 | - | - | - | 75 | ||
| Shuichi Sano | +5 | +5 | F | 75 | - | - | - | 75 | ||
| Yoichi Yamamoto | +5 | +5 | F | 75 | - | - | - | 75 | ||
| Mitsuharu Suzuki | +5 | +5 | F | 75 | - | - | - | 75 | ||
| 43 | Hideyuki Sato | +6 | +6 | F | 76 | - | - | - | 76 | |
| Masahiro Tokunaga | +6 | +6 | F | 76 | - | - | - | 76 | ||
| Takeru Shibata | +6 | +6 | F | 76 | - | - | - | 76 | ||
| Ikuo Shirahama | +6 | +6 | F | 76 | - | - | - | 76 | ||
| Masahiro Kuramoto | +6 | +6 | F | 76 | - | - | - | 76 | ||
| Atsushi Takamatsu | +6 | +6 | F | 76 | - | - | - | 76 | ||
| Noboru Fujiike | +6 | +6 | F | 76 | - | - | - | 76 | ||
| Kazuhiro Takami | +6 | +6 | F | 76 | - | - | - | 76 | ||
| Noboru Kojima | +6 | +6 | F | 76 | - | - | - | 76 | ||
| 52 | Takeshi Kitadai | +7 | +7 | F | 77 | - | - | - | 77 | |
| @ Yoshiyuki Kanayama | +7 | +7 | F | 77 | - | - | - | 77 | ||
| Hajime Meshiai | +7 | +7 | F | 77 | - | - | - | 77 | ||
| Bill Longmuir | +7 | +7 | F | 77 | - | - | - | 77 | ||
| Tsunemi Nakajima | +7 | +7 | F | 77 | - | - | - | 77 | ||
| Kimpachi Yoshimura | +7 | +7 | F | 77 | - | - | - | 77 | ||
| Katsuji Hasegawa | +7 | +7 | F | 77 | - | - | - | 77 | ||
| Toshinori Horiki | +7 | +7 | F | 77 | - | - | - | 77 | ||
| Shinji Kuraoka | +7 | +7 | F | 77 | - | - | - | 77 | ||
| David Ishii | +7 | +7 | F | 77 | - | - | - | 77 | ||
| Yoshinori Ichioka | +7 | +7 | F | 77 | - | - | - | 77 | ||
| @ Kazuo Ibata | +7 | +7 | F | 77 | - | - | - | 77 | ||
| 64 | Keiji Teshima | +8 | +8 | F | 78 | - | - | - | 78 | |
| Norikazu Kawakami | +8 | +8 | F | 78 | - | - | - | 78 | ||
| Toshio Shimamura | +8 | +8 | F | 78 | - | - | - | 78 | ||
| Tomoyuki Nagai | +8 | +8 | F | 78 | - | - | - | 78 | ||
| @ Kimihiko Yamaguchi | +8 | +8 | F | 78 | - | - | - | 78 | ||
| Hikaru Emoto | +8 | +8 | F | 78 | - | - | - | 78 | ||
| 70 | Hiromichi Takezaki | +9 | +9 | F | 79 | - | - | - | 79 | |
| Marc Farry | +9 | +9 | F | 79 | - | - | - | 79 | ||
| Seiki Okuda | +9 | +9 | F | 79 | - | - | - | 79 | ||
| Tadao Furuichi | +9 | +9 | F | 79 | - | - | - | 79 | ||
| Hiromichi Namiki | +9 | +9 | F | 79 | - | - | - | 79 | ||
| Koichi Takabe | +9 | +9 | F | 79 | - | - | - | 79 | ||
| Yutaka Hagawa | +9 | +9 | F | 79 | - | - | - | 79 | ||
| 77 | @ Takamitsu Manabe | +10 | +10 | F | 80 | - | - | - | 80 | |
| Kinya Aoyagi | +10 | +10 | F | 80 | - | - | - | 80 | ||
| Motomasa Aoki | +10 | +10 | F | 80 | - | - | - | 80 | ||
| Yuji Takagi | +10 | +10 | F | 80 | - | - | - | 80 | ||
| Akimitsu Tokita | +10 | +10 | F | 80 | - | - | - | 80 | ||
| @ Hajime Suzawa | +10 | +10 | F | 80 | - | - | - | 80 | ||
| Kazushige Shida | +10 | +10 | F | 80 | - | - | - | 80 | ||
| Toshiaki Kodama | +10 | +10 | F | 80 | - | - | - | 80 | ||
| @ Kyuzo Tomita | +10 | +10 | F | 80 | - | - | - | 80 | ||
| Hisatsugu Mizutani | +10 | +10 | F | 80 | - | - | - | 80 | ||
| Noboru Sugai | +10 | +10 | F | 80 | - | - | - | 80 | ||
| 88 | Shimon Takamatsu | +11 | +11 | F | 81 | - | - | - | 81 | |
| Hisashi Terada | +11 | +11 | F | 81 | - | - | - | 81 | ||
| @ Toshiki Sakiyama | +11 | +11 | F | 81 | - | - | - | 81 | ||
| Takanori Sekura | +11 | +11 | F | 81 | - | - | - | 81 | ||
| 92 | Yasumichi Takei | +12 | +12 | F | 82 | - | - | - | 82 | |
| Hideto Shigenobu | +12 | +12 | F | 82 | - | - | - | 82 | ||
| Toshio Ozaki | +12 | +12 | F | 82 | - | - | - | 82 | ||
| @ Nobuaki Sakurai | +12 | +12 | F | 82 | - | - | - | 82 | ||
| 96 | @ Toru Nakatani | +13 | +13 | F | 83 | - | - | - | 83 | |
| Hung-Ta Chang | +13 | +13 | F | 83 | - | - | - | 83 | ||
| Ichiro Teramoto | +13 | +13 | F | 83 | - | - | - | 83 | ||
| 99 | Akihiro Noguchi | +14 | +14 | F | 84 | - | - | - | 84 | |
| Yoshiharu Ota | +14 | +14 | F | 84 | - | - | - | 84 | ||
| Takamichi Ichikawa | +14 | +14 | F | 84 | - | - | - | 84 | ||
| 102 | Kazunari Itamoto | +15 | +15 | F | 85 | - | - | - | 85 | |
| 103 | Toshizo Hashino | +17 | +17 | F | 87 | - | - | - | 87 | |
| 104 | @ Kimio Aoyama | +18 | +18 | F | 88 | - | - | - | 88 | |
| @ Ayumi Murono | +18 | +18 | F | 88 | - | - | - | 88 | ||
| 106 | Yoichi Wada | +19 | +19 | F | 89 | - | - | - | 89 | |
| 107 | Yoshiki Yamasaki | +20 | +20 | F | 90 | - | - | - | 90 | |
| @ Koichi Takeda | +20 | +20 | F | 90 | - | - | - | 90 | ||
| WD | Angel Franco | |||||||||