【Full Leaderboard】 Update 07/19 14:32
31st Japan Senior Open Golf Championship 2021
| ROUND 1 | @：Amateur player |
| POS | Player | Score | Today | Hole | Rounds | Total | ||||
| R1 | R2 | R3 | R4 | |||||||
| 1 | Daisuke Maruyama | -6 | -6 | F | 65 | - | - | - | 65 | |
| Masami Ito | -6 | -6 | F | 65 | - | - | - | 65 | ||
| 3 | Toru Taniguchi | -5 | -5 | F | 66 | - | - | - | 66 | |
| 4 | Toshihiro Aizawa | -4 | -4 | F | 67 | - | - | - | 67 | |
| Eiji Mizoguchi | -4 | -4 | F | 67 | - | - | - | 67 | ||
| Toru Morita | -4 | -4 | F | 67 | - | - | - | 67 | ||
| Hiroaki Iijima | -4 | -4 | F | 67 | - | - | - | 67 | ||
| 8 | Yoichi Shimizu | -3 | -3 | F | 68 | - | - | - | 68 | |
| Hirofumi Miyase | -3 | -3 | F | 68 | - | - | - | 68 | ||
| Prayad Marksaeng | -3 | -3 | F | 68 | - | - | - | 68 | ||
| Akira Teranishi | -3 | -3 | F | 68 | - | - | - | 68 | ||
| @ Akio Mizukami | -3 | -3 | F | 68 | - | - | - | 68 | ||
| Keiichiro Fukabori | -3 | -3 | F | 68 | - | - | - | 68 | ||
| Taichi Teshima | -3 | -3 | F | 68 | - | - | - | 68 | ||
| 15 | Toshikazu Sugihara | -2 | -2 | F | 69 | - | - | - | 69 | |
| Tsukasa Watanabe | -2 | -2 | F | 69 | - | - | - | 69 | ||
| Kiyoshi Murota | -2 | -2 | F | 69 | - | - | - | 69 | ||
| David Smail | -2 | -2 | F | 69 | - | - | - | 69 | ||
| Katsunori Kuwabara | -2 | -2 | F | 69 | - | - | - | 69 | ||
| Tsuneyuki Nakajima | -2 | -2 | F | 69 | - | - | - | 69 | ||
| Kiyoshi Maita | -2 | -2 | F | 69 | - | - | - | 69 | ||
| Hiroshi Tominaga | -2 | -2 | F | 69 | - | - | - | 69 | ||
| Naoyuki Tamura | -2 | -2 | F | 69 | - | - | - | 69 | ||
| Nobumasa Nakanishi | -2 | -2 | F | 69 | - | - | - | 69 | ||
| 25 | Kyoji Hirota | -1 | -1 | F | 70 | - | - | - | 70 | |
| Jiro Minamizaki | -1 | -1 | F | 70 | - | - | - | 70 | ||
| Yusuke Yoda | -1 | -1 | F | 70 | - | - | - | 70 | ||
| Hirokazu Hagiwara | -1 | -1 | F | 70 | - | - | - | 70 | ||
| Takeshi Sakiyama | -1 | -1 | F | 70 | - | - | - | 70 | ||
| Kazuo Seike | -1 | -1 | F | 70 | - | - | - | 70 | ||
| Masahiro Kuramoto | -1 | -1 | F | 70 | - | - | - | 70 | ||
| Koji Iwasaki | -1 | -1 | F | 70 | - | - | - | 70 | ||
| Mitsutaka Kusakabe | -1 | -1 | F | 70 | - | - | - | 70 | ||
| Ryoken Kawagishi | -1 | -1 | F | 70 | - | - | - | 70 | ||
| Takeshi Kajikawa | -1 | -1 | F | 70 | - | - | - | 70 | ||
| Katsumi Kubo | -1 | -1 | F | 70 | - | - | - | 70 | ||
| Shinichi Akiba | -1 | -1 | F | 70 | - | - | - | 70 | ||
| 38 | Kazuhiro Fukunaga | ±0 | ±0 | F | 71 | - | - | - | 71 | |
| Yasuhiro Taguchi | ±0 | ±0 | F | 71 | - | - | - | 71 | ||
| Shinsuke Yanagisawa | ±0 | ±0 | F | 71 | - | - | - | 71 | ||
| Shintaro Iizuka | ±0 | ±0 | F | 71 | - | - | - | 71 | ||
| Hitoshi Kato | ±0 | ±0 | F | 71 | - | - | - | 71 | ||
| Kazuhiko Hosokawa | ±0 | ±0 | F | 71 | - | - | - | 71 | ||
| Masanori Ushiyama | ±0 | ±0 | F | 71 | - | - | - | 71 | ||
| Yutaka Hagawa | ±0 | ±0 | F | 71 | - | - | - | 71 | ||
| Gosaku Kanemura | ±0 | ±0 | F | 71 | - | - | - | 71 | ||
| Yukio Fukazawa | ±0 | ±0 | F | 71 | - | - | - | 71 | ||
| Tetsuhiro Ogawa | ±0 | ±0 | F | 71 | - | - | - | 71 | ||
| Tsuyoshi Yoneyama | ±0 | ±0 | F | 71 | - | - | - | 71 | ||
| Achi Sato | ±0 | ±0 | F | 71 | - | - | - | 71 | ||
| Seiki Okuda | ±0 | ±0 | F | 71 | - | - | - | 71 | ||
| Kohki Idoki | ±0 | ±0 | F | 71 | - | - | - | 71 | ||
| 53 | Chien-Soon Lu | +1 | +1 | F | 72 | - | - | - | 72 | |
| Fuminobu Yoshinari | +1 | +1 | F | 72 | - | - | - | 72 | ||
| Masahiro Yamasaki | +1 | +1 | F | 72 | - | - | - | 72 | ||
| Hitoshi Nagao | +1 | +1 | F | 72 | - | - | - | 72 | ||
| Masayoshi Yamazoe | +1 | +1 | F | 72 | - | - | - | 72 | ||
| Eiichiro Hiyama | +1 | +1 | F | 72 | - | - | - | 72 | ||
| Hiroo Okamo | +1 | +1 | F | 72 | - | - | - | 72 | ||
| Keiji Sakamoto | +1 | +1 | F | 72 | - | - | - | 72 | ||
| @ Mitsunori Kaneko | +1 | +1 | F | 72 | - | - | - | 72 | ||
| Shigeru Nonaka | +1 | +1 | F | 72 | - | - | - | 72 | ||
| Thaworn Wiratchant | +1 | +1 | F | 72 | - | - | - | 72 | ||
| Gregory Meyer | +1 | +1 | F | 72 | - | - | - | 72 | ||
| 65 | Yoshito Miki | +2 | +2 | F | 73 | - | - | - | 73 | |
| Mamo Osanai | +2 | +2 | F | 73 | - | - | - | 73 | ||
| Toru Suzuki | +2 | +2 | F | 73 | - | - | - | 73 | ||
| Naoki Okaji | +2 | +2 | F | 73 | - | - | - | 73 | ||
| Hideki Kase | +2 | +2 | F | 73 | - | - | - | 73 | ||
| Hisashi Sawada | +2 | +2 | F | 73 | - | - | - | 73 | ||
| Yoshinobu Tsukada | +2 | +2 | F | 73 | - | - | - | 73 | ||
| Matakichi Yamada | +2 | +2 | F | 73 | - | - | - | 73 | ||
| Toshimitsu Izawa | +2 | +2 | F | 73 | - | - | - | 73 | ||
| Tsutomu Higa | +2 | +2 | F | 73 | - | - | - | 73 | ||
| Atsushi Takamatsu | +2 | +2 | F | 73 | - | - | - | 73 | ||
| Katsuyoshi Murakami | +2 | +2 | F | 73 | - | - | - | 73 | ||
| Hirooki Kikkawa | +2 | +2 | F | 73 | - | - | - | 73 | ||
| Tomoaki Adachi | +2 | +2 | F | 73 | - | - | - | 73 | ||
| Tadaaki Hirasawa | +2 | +2 | F | 73 | - | - | - | 73 | ||
| Hidezumi Shirakata | +2 | +2 | F | 73 | - | - | - | 73 | ||
| 81 | Masayuki Kawamura | +3 | +3 | F | 74 | - | - | - | 74 | |
| @ Masaya Takahashi | +3 | +3 | F | 74 | - | - | - | 74 | ||
| Masaki Hasegawa | +3 | +3 | F | 74 | - | - | - | 74 | ||
| Kazumasa Sakaitani | +3 | +3 | F | 74 | - | - | - | 74 | ||
| Tomoyuki Hirano | +3 | +3 | F | 74 | - | - | - | 74 | ||
| Katsunari Takahashi | +3 | +3 | F | 74 | - | - | - | 74 | ||
| Yoshinori Mizumaki | +3 | +3 | F | 74 | - | - | - | 74 | ||
| Tetsuya Nakakuki | +3 | +3 | F | 74 | - | - | - | 74 | ||
| Taku Yamanaka | +3 | +3 | F | 74 | - | - | - | 74 | ||
| Shoichi Yamamoto | +3 | +3 | F | 74 | - | - | - | 74 | ||
| 91 | @ Koichi Fukino | +4 | +4 | F | 75 | - | - | - | 75 | |
| Keiichi Tsuji | +4 | +4 | F | 75 | - | - | - | 75 | ||
| Takenori Hiraishi | +4 | +4 | F | 75 | - | - | - | 75 | ||
| Mitsuo Harada | +4 | +4 | F | 75 | - | - | - | 75 | ||
| Hajime Tanaka | +4 | +4 | F | 75 | - | - | - | 75 | ||
| Satoshi Higashi | +4 | +4 | F | 75 | - | - | - | 75 | ||
| 97 | Naoki Shimoyama | +5 | +5 | F | 76 | - | - | - | 76 | |
| Shoichi Kuwabara | +5 | +5 | F | 76 | - | - | - | 76 | ||
| Yoshikatsu Saito | +5 | +5 | F | 76 | - | - | - | 76 | ||
| Nobumitsu Yuhara | +5 | +5 | F | 76 | - | - | - | 76 | ||
| Masayoshi Nakayama | +5 | +5 | F | 76 | - | - | - | 76 | ||
| Nobuyuki Shimizu | +5 | +5 | F | 76 | - | - | - | 76 | ||
| Yasuo Oshima | +5 | +5 | F | 76 | - | - | - | 76 | ||
| Hirofumi Toriumi | +5 | +5 | F | 76 | - | - | - | 76 | ||
| Kazuhiro Takami | +5 | +5 | F | 76 | - | - | - | 76 | ||
| Takaaki Fukuzawa | +5 | +5 | F | 76 | - | - | - | 76 | ||
| Tsuneyuki Naka | +5 | +5 | F | 76 | - | - | - | 76 | ||
| Hiroshi Kono | +5 | +5 | F | 76 | - | - | - | 76 | ||
| 109 | Masahiko Arai | +6 | +6 | F | 77 | - | - | - | 77 | |
| Norio Hosoya | +6 | +6 | F | 77 | - | - | - | 77 | ||
| Takao Nogami | +6 | +6 | F | 77 | - | - | - | 77 | ||
| 112 | Kazuyoshi Yonekura | +7 | +7 | F | 78 | - | - | - | 78 | |
| Hiroki Kuraoka | +7 | +7 | F | 78 | - | - | - | 78 | ||
| Masayuki Shimizu | +7 | +7 | F | 78 | - | - | - | 78 | ||
| 115 | @ Yuichi Iizuka | +8 | +8 | F | 79 | - | - | - | 79 | |
| @ Hideki Chino | +8 | +8 | F | 79 | - | - | - | 79 | ||
| Munemasa Obinata | +8 | +8 | F | 79 | - | - | - | 79 | ||
| Yoshinori Kobayashi | +8 | +8 | F | 79 | - | - | - | 79 | ||
| @ Shigeru Tsuburaya | +8 | +8 | F | 79 | - | - | - | 79 | ||
| 120 | Kentaro Itoyama | +9 | +9 | F | 80 | - | - | - | 80 | |
| @ Masahiko Kida | +9 | +9 | F | 80 | - | - | - | 80 | ||
| Masanori Kojima | +9 | +9 | F | 80 | - | - | - | 80 | ||
| Hironori Yoshida | +9 | +9 | F | 80 | - | - | - | 80 | ||
| 124 | Norikazu Tanigo | +10 | +10 | F | 81 | - | - | - | 81 | |
| @ Yasushi Yonehara | +10 | +10 | F | 81 | - | - | - | 81 | ||
| 126 | @ Masaya Honjo | +13 | +13 | F | 84 | - | - | - | 84 | |
| WD | Norio Shinozaki | |||||||||
| WD | @ Sadao Hiraishi | |||||||||