【Full Leaderboard】 Update 09/17 19:49
33rd Japan Senior Open Golf Championship 2023
| ROUND 3 | @：Amateur player |
| POS | Player | Score | Today | Hole | Rounds | Total | |||
| R1 | R2 | R3 | R4 | ||||||
| 1 | Katsumasa Miyamoto | -9 | -4 | F | 66 | 73 | 68 | - | 207 |
| 2 | Hiroyuki Fujita | -8 | -5 | F | 70 | 71 | 67 | - | 208 |
| 3 | Nobuhiro Masuda | -7 | -1 | F | 68 | 70 | 71 | - | 209 |
| 4 | Shingo Katayama | -6 | -4 | F | 69 | 73 | 68 | - | 210 |
| 5 | Katsunori Kuwabara | -5 | -4 | F | 74 | 69 | 68 | - | 211 |
| Hiroaki Iijima | -5 | -2 | F | 71 | 70 | 70 | - | 211 | |
| Masayoshi Yamazoe | -5 | ±0 | F | 69 | 70 | 72 | - | 211 | |
| Prayad Marksaeng | -5 | +1 | F | 69 | 69 | 73 | - | 211 | |
| 9 | Kazuhiro Kida | -4 | -2 | F | 71 | 71 | 70 | - | 212 |
| Taichi Teshima | -4 | +1 | F | 73 | 66 | 73 | - | 212 | |
| Mitsuhiro Watanabe | -4 | +1 | F | 68 | 71 | 73 | - | 212 | |
| 12 | Takashi Kanemoto | -3 | -5 | F | 73 | 73 | 67 | - | 213 |
| I J Jang | -3 | -2 | F | 72 | 71 | 70 | - | 213 | |
| Yoichi Shimizu | -3 | -2 | F | 71 | 72 | 70 | - | 213 | |
| Katsumi Kubo | -3 | ±0 | F | 70 | 71 | 72 | - | 213 | |
| Kazunori Suzuki | -3 | +2 | F | 71 | 68 | 74 | - | 213 | |
| 17 | Suk Joug Yul | -2 | -3 | F | 70 | 75 | 69 | - | 214 |
| Thaworn Wiratchant | -2 | -2 | F | 71 | 73 | 70 | - | 214 | |
| Toru Taniguchi | -2 | -2 | F | 71 | 73 | 70 | - | 214 | |
| Jeev Milkha Singh | -2 | ±0 | F | 69 | 73 | 72 | - | 214 | |
| Akira Teranishi | -2 | +1 | F | 69 | 72 | 73 | - | 214 | |
| 22 | Kenichi Kuboya | -1 | -2 | F | 74 | 71 | 70 | - | 215 |
| S K HO | -1 | -2 | F | 71 | 74 | 70 | - | 215 | |
| Hitoshi Kato | -1 | +1 | F | 72 | 70 | 73 | - | 215 | |
| Toshihiro Aizawa | -1 | +2 | F | 70 | 71 | 74 | - | 215 | |
| 26 | David Smail | ±0 | -3 | F | 73 | 74 | 69 | - | 216 |
| Naoki Shimoyama | ±0 | +2 | F | 72 | 70 | 74 | - | 216 | |
| Shinichi Yokota | ±0 | +2 | F | 70 | 72 | 74 | - | 216 | |
| 29 | Kazuhiko Hosokawa | +1 | -2 | F | 72 | 75 | 70 | - | 217 |
| Naoki Yazawa | +1 | -1 | F | 70 | 76 | 71 | - | 217 | |
| Achi Sato | +1 | ±0 | F | 73 | 72 | 72 | - | 217 | |
| Arihito Umeda | +1 | +1 | F | 73 | 71 | 73 | - | 217 | |
| Hidezumi Shirakata | +1 | +2 | F | 69 | 74 | 74 | - | 217 | |
| @ Hiroyasu Yokoyama | +1 | +2 | F | 71 | 72 | 74 | - | 217 | |
| Sungpil Park | +1 | +3 | F | 71 | 71 | 75 | - | 217 | |
| 36 | Norio Shinozaki | +2 | ±0 | F | 72 | 74 | 72 | - | 218 |
| Tatsuya Tanioka | +2 | +5 | F | 72 | 69 | 77 | - | 218 | |
| Takeshi Sakiyama | +2 | +5 | F | 70 | 71 | 77 | - | 218 | |
| 39 | @ Masaya Takahashi | +3 | +1 | F | 75 | 71 | 73 | - | 219 |
| Satoshi Higashi | +3 | +2 | F | 71 | 74 | 74 | - | 219 | |
| @ Ichiro Tanimoto | +3 | +2 | F | 73 | 72 | 74 | - | 219 | |
| Shoichi Kita | +3 | +2 | F | 70 | 75 | 74 | - | 219 | |
| Hiroo Okamo | +3 | +4 | F | 70 | 73 | 76 | - | 219 | |
| 44 | Toru Suzuki | +4 | +1 | F | 76 | 71 | 73 | - | 220 |
| Koji Iwasaki | +4 | +2 | F | 73 | 73 | 74 | - | 220 | |
| Tadanori Shibata | +4 | +2 | F | 70 | 76 | 74 | - | 220 | |
| Hideki Usami | +4 | +4 | F | 73 | 71 | 76 | - | 220 | |
| Mitsugu Kawai | +4 | +5 | F | 70 | 73 | 77 | - | 220 | |
| 49 | Kaname Yokoo | +5 | +2 | F | 73 | 74 | 74 | - | 221 |
| Shigeru Nonaka | +5 | +2 | F | 72 | 75 | 74 | - | 221 | |
| Nobuyuki Shirai | +5 | +3 | F | 74 | 72 | 75 | - | 221 | |
| Hirofumi Miyase | +5 | +4 | F | 74 | 71 | 76 | - | 221 | |
| Yoshinobu Tsukada | +5 | +5 | F | 73 | 71 | 77 | - | 221 | |
| Kazumasa Sakaitani | +5 | +7 | F | 70 | 72 | 79 | - | 221 | |
| 55 | Katsuyoshi Murakami | +6 | +4 | F | 70 | 76 | 76 | - | 222 |
| 56 | Tetsuji Hiratsuka | +7 | +4 | F | 74 | 73 | 76 | - | 223 |
| 57 | Naoyuki Tamura | +8 | +6 | F | 73 | 73 | 78 | - | 224 |
| Yukio Fukazawa | +8 | +8 | F | 71 | 73 | 80 | - | 224 | |
| 59 | Jiro Minamizaki | +10 | +7 | F | 71 | 76 | 79 | - | 226 |
| Frankie Minoza | +10 | +7 | F | 74 | 73 | 79 | - | 226 | |