【Full Leaderboard】 Update 05/20 15:14
23rd Japan Senior Open Golf Championship 2013
| ROUND 3 | @：Amateur player |
| POS | Player | Score | Today | Hole | Rounds | Total | |||
| R1 | R2 | R3 | R4 | ||||||
| 1 | Kiyoshi Murota | -10 | -5 | F | 66 | 73 | 67 | - | 206 |
| 2 | Yoshinori Mizumaki | -8 | -3 | F | 66 | 73 | 69 | - | 208 |
| 3 | Barry Lane | -7 | -4 | F | 68 | 73 | 68 | - | 209 |
| 4 | Hideki Kase | -5 | -4 | F | 68 | 75 | 68 | - | 211 |
| 5 | Masami Ito | -4 | -3 | F | 73 | 70 | 69 | - | 212 |
| Paul Wesselingh | -4 | +2 | F | 71 | 67 | 74 | - | 212 | |
| 7 | Katsunari Takahashi | -1 | -3 | F | 71 | 75 | 69 | - | 215 |
| Jong-Duck Kim | -1 | -2 | F | 74 | 71 | 70 | - | 215 | |
| Tsukasa Watanabe | -1 | -1 | F | 69 | 75 | 71 | - | 215 | |
| Satoshi Higashi | -1 | ±0 | F | 69 | 74 | 72 | - | 215 | |
| Yutaka Hagawa | -1 | +1 | F | 71 | 71 | 73 | - | 215 | |
| 12 | Naomichi Ozaki | ±0 | ±0 | F | 68 | 76 | 72 | - | 216 |
| Hiroshi Ueda | ±0 | ±0 | F | 71 | 73 | 72 | - | 216 | |
| 14 | Gregory Meyer | +1 | -3 | F | 72 | 76 | 69 | - | 217 |
| Anthony Gilligan | +1 | -1 | F | 73 | 73 | 71 | - | 217 | |
| Tsutomu Higa | +1 | -1 | F | 70 | 76 | 71 | - | 217 | |
| Shinji Ikeuchi | +1 | ±0 | F | 74 | 71 | 72 | - | 217 | |
| Boonchu Ruangkit | +1 | ±0 | F | 72 | 73 | 72 | - | 217 | |
| 19 | Nobumasa Nakanishi | +2 | -1 | F | 72 | 75 | 71 | - | 218 |
| Kazunari Matsunaga | +2 | ±0 | F | 73 | 73 | 72 | - | 218 | |
| Ahmad Bateman | +2 | +1 | F | 72 | 73 | 73 | - | 218 | |
| 22 | Ikuo Shirahama | +3 | -1 | F | 73 | 75 | 71 | - | 219 |
| Yoichi Sugawara | +3 | -1 | F | 75 | 73 | 71 | - | 219 | |
| Seiji Ebihara | +3 | -1 | F | 75 | 73 | 71 | - | 219 | |
| Masahiro Kuramoto | +3 | +3 | F | 71 | 73 | 75 | - | 219 | |
| 26 | Takao Komizo | +4 | -2 | F | 75 | 75 | 70 | - | 220 |
| Yoichi Shimizu | +4 | -1 | F | 74 | 75 | 71 | - | 220 | |
| Hajime Meshiai | +4 | +2 | F | 72 | 74 | 74 | - | 220 | |
| Hiroyuki Iwabuchi | +4 | +6 | F | 72 | 70 | 78 | - | 220 | |
| 30 | Kiyoshi Maita | +5 | -1 | F | 75 | 75 | 71 | - | 221 |
| Seiki Okuda | +5 | +2 | F | 73 | 74 | 74 | - | 221 | |
| 32 | Noboru Fujiike | +6 | -2 | F | 72 | 80 | 70 | - | 222 |
| Hiroshi Makino | +6 | +5 | F | 73 | 72 | 77 | - | 222 | |
| 34 | Tadashige Kusano | +7 | +2 | F | 73 | 76 | 74 | - | 223 |
| Nobuo Serizawa | +7 | +3 | F | 75 | 73 | 75 | - | 223 | |
| 36 | Minoru Hatsumi | +8 | ±0 | F | 71 | 81 | 72 | - | 224 |
| Yoshinori Kobayashi | +8 | +1 | F | 75 | 76 | 73 | - | 224 | |
| Takeshi Sakiyama | +8 | +2 | F | 72 | 78 | 74 | - | 224 | |
| Gerry Norquist | +8 | +3 | F | 77 | 72 | 75 | - | 224 | |
| Hitoshi Kato | +8 | +3 | F | 73 | 76 | 75 | - | 224 | |
| 41 | Norikazu Kawakami | +9 | +1 | F | 78 | 74 | 73 | - | 225 |
| Takeshi Oyama | +9 | +1 | F | 75 | 77 | 73 | - | 225 | |
| @ Masahiko Kida | +9 | +2 | F | 76 | 75 | 74 | - | 225 | |
| Katsuyoshi Tomori | +9 | +3 | F | 75 | 75 | 75 | - | 225 | |
| Taijiro Tanaka | +9 | +5 | F | 71 | 77 | 77 | - | 225 | |
| Masahiro Takahashi | +9 | +6 | F | 71 | 76 | 78 | - | 225 | |
| 47 | David Ishii | +10 | +3 | F | 76 | 75 | 75 | - | 226 |
| @ Minoru Sugiyama | +10 | +4 | F | 74 | 76 | 76 | - | 226 | |
| Nobumitsu Yuhara | +10 | +4 | F | 73 | 77 | 76 | - | 226 | |
| 50 | @ Shinji Fukui | +11 | +4 | F | 76 | 75 | 76 | - | 227 |
| Koichi Kamiya | +11 | +4 | F | 74 | 77 | 76 | - | 227 | |
| Katsuji Hasegawa | +11 | +5 | F | 77 | 73 | 77 | - | 227 | |
| Kazushige Shida | +11 | +6 | F | 72 | 77 | 78 | - | 227 | |
| 54 | Toshihiko Matsuo | +12 | +8 | F | 74 | 74 | 80 | - | 228 |
| 55 | @ Shingo Matsumoto | +13 | +5 | F | 76 | 76 | 77 | - | 229 |
| Akihiro Ito | +13 | +5 | F | 76 | 76 | 77 | - | 229 | |
| @ Hajime Suzawa | +13 | +5 | F | 77 | 75 | 77 | - | 229 | |
| Koji Sato | +13 | +5 | F | 74 | 78 | 77 | - | 229 | |
| @ Kiyotaka Oie | +13 | +5 | F | 74 | 78 | 77 | - | 229 | |
| Hideyuki Sato | +13 | +6 | F | 78 | 73 | 78 | - | 229 | |
| Motomasa Aoki | +13 | +7 | F | 75 | 75 | 79 | - | 229 | |
| 62 | Toshiaki Kodama | +19 | +11 | F | 76 | 76 | 83 | - | 235 |
| 63 | @ Toshio Nikawa | +20 | +12 | F | 75 | 77 | 84 | - | 236 |