【Full Leaderboard】 Update 07/19 14:32
31st Japan Senior Open Golf Championship 2021
| ROUND 3 | @：Amateur player |
| POS | Player | Score | Today | Hole | Rounds | Total | |||
| R1 | R2 | R3 | R4 | ||||||
| 1 | Taichi Teshima | -14 | -6 | F | 68 | 66 | 65 | - | 199 |
| 2 | Keiichiro Fukabori | -9 | -4 | F | 68 | 69 | 67 | - | 204 |
| 3 | Prayad Marksaeng | -8 | -5 | F | 68 | 71 | 66 | - | 205 |
| Hiroaki Iijima | -8 | -1 | F | 67 | 68 | 70 | - | 205 | |
| 5 | Hirofumi Miyase | -6 | -4 | F | 68 | 72 | 67 | - | 207 |
| Eiji Mizoguchi | -6 | -2 | F | 67 | 71 | 69 | - | 207 | |
| Katsunori Kuwabara | -6 | ±0 | F | 69 | 67 | 71 | - | 207 | |
| 8 | @ Akio Mizukami | -5 | -2 | F | 68 | 71 | 69 | - | 208 |
| Toru Taniguchi | -5 | ±0 | F | 66 | 71 | 71 | - | 208 | |
| 10 | Yoichi Shimizu | -4 | -3 | F | 68 | 73 | 68 | - | 209 |
| 11 | Katsumi Kubo | -3 | -2 | F | 70 | 71 | 69 | - | 210 |
| Akira Teranishi | -3 | -1 | F | 68 | 72 | 70 | - | 210 | |
| Masayoshi Yamazoe | -3 | -1 | F | 72 | 68 | 70 | - | 210 | |
| Kiyoshi Murota | -3 | ±0 | F | 69 | 70 | 71 | - | 210 | |
| 15 | Daisuke Maruyama | -2 | -1 | F | 65 | 76 | 70 | - | 211 |
| Toru Morita | -2 | ±0 | F | 67 | 73 | 71 | - | 211 | |
| Takeshi Sakiyama | -2 | +1 | F | 70 | 69 | 72 | - | 211 | |
| Naoyuki Tamura | -2 | +2 | F | 69 | 69 | 73 | - | 211 | |
| 19 | Toshikazu Sugihara | -1 | -1 | F | 69 | 73 | 70 | - | 212 |
| Tsuneyuki Nakajima | -1 | ±0 | F | 69 | 72 | 71 | - | 212 | |
| Tsukasa Watanabe | -1 | ±0 | F | 69 | 72 | 71 | - | 212 | |
| Hisashi Sawada | -1 | -2 | F | 73 | 70 | 69 | - | 212 | |
| Jiro Minamizaki | -1 | ±0 | F | 70 | 71 | 71 | - | 212 | |
| Kazuhiko Hosokawa | -1 | ±0 | F | 71 | 70 | 71 | - | 212 | |
| Kohki Idoki | -1 | -3 | F | 71 | 73 | 68 | - | 212 | |
| Tetsuya Nakakuki | -1 | -3 | F | 74 | 70 | 68 | - | 212 | |
| Achi Sato | -1 | ±0 | F | 71 | 70 | 71 | - | 212 | |
| Mamo Osanai | -1 | -3 | F | 73 | 71 | 68 | - | 212 | |
| David Smail | -1 | +5 | F | 69 | 67 | 76 | - | 212 | |
| 30 | Katsunari Takahashi | ±0 | -1 | F | 74 | 69 | 70 | - | 213 |
| Toshihiro Aizawa | ±0 | +2 | F | 67 | 73 | 73 | - | 213 | |
| Hirokazu Hagiwara | ±0 | +2 | F | 70 | 70 | 73 | - | 213 | |
| Takeshi Kajikawa | ±0 | +2 | F | 70 | 70 | 73 | - | 213 | |
| Hidezumi Shirakata | ±0 | -2 | F | 73 | 71 | 69 | - | 213 | |
| Masami Ito | ±0 | +3 | F | 65 | 74 | 74 | - | 213 | |
| 36 | Masanori Ushiyama | +1 | +1 | F | 71 | 71 | 72 | - | 214 |
| Shigeru Nonaka | +1 | +1 | F | 72 | 70 | 72 | - | 214 | |
| Yoshinobu Tsukada | +1 | -2 | F | 73 | 72 | 69 | - | 214 | |
| Toru Suzuki | +1 | -2 | F | 73 | 72 | 69 | - | 214 | |
| Masahiro Kuramoto | +1 | -2 | F | 70 | 75 | 69 | - | 214 | |
| 41 | Kiyoshi Maita | +2 | +3 | F | 69 | 72 | 74 | - | 215 |
| Masahiro Yamasaki | +2 | ±0 | F | 72 | 72 | 71 | - | 215 | |
| 43 | Thaworn Wiratchant | +3 | +2 | F | 72 | 71 | 73 | - | 216 |
| Shinichi Akiba | +3 | +4 | F | 70 | 71 | 75 | - | 216 | |
| Shinsuke Yanagisawa | +3 | +2 | F | 71 | 72 | 73 | - | 216 | |
| Hiroo Okamo | +3 | ±0 | F | 72 | 73 | 71 | - | 216 | |
| 47 | Ryoken Kawagishi | +4 | +3 | F | 70 | 73 | 74 | - | 217 |
| Tsuyoshi Yoneyama | +4 | +3 | F | 71 | 72 | 74 | - | 217 | |
| Tomoaki Adachi | +4 | +3 | F | 73 | 70 | 74 | - | 217 | |
| Shintaro Iizuka | +4 | +3 | F | 71 | 72 | 74 | - | 217 | |
| Tomoyuki Hirano | +4 | +2 | F | 74 | 70 | 73 | - | 217 | |
| Keiji Sakamoto | +4 | +1 | F | 72 | 73 | 72 | - | 217 | |
| Masayuki Kawamura | +4 | +1 | F | 74 | 71 | 72 | - | 217 | |
| 54 | Koji Iwasaki | +5 | +5 | F | 70 | 72 | 76 | - | 218 |
| Tetsuhiro Ogawa | +5 | +3 | F | 71 | 73 | 74 | - | 218 | |
| 56 | Hitoshi Kato | +6 | +6 | F | 71 | 71 | 77 | - | 219 |
| Kyoji Hirota | +6 | +4 | F | 70 | 74 | 75 | - | 219 | |
| Seiki Okuda | +6 | +3 | F | 71 | 74 | 74 | - | 219 | |
| Mitsuo Harada | +6 | +3 | F | 75 | 70 | 74 | - | 219 | |
| Mitsutaka Kusakabe | +6 | +3 | F | 70 | 75 | 74 | - | 219 | |
| 61 | Hiroshi Tominaga | +7 | +6 | F | 69 | 74 | 77 | - | 220 |
| Kazuo Seike | +7 | +5 | F | 70 | 74 | 76 | - | 220 | |
| Hideki Kase | +7 | +5 | F | 73 | 71 | 76 | - | 220 | |
| Yutaka Hagawa | +7 | +4 | F | 71 | 74 | 75 | - | 220 | |
| 65 | Naoki Shimoyama | +9 | +6 | F | 76 | 69 | 77 | - | 222 |