【Full Leaderboard】 Update 10/16 18:31
88th Japan Open Golf Championship 2023
| ROUND 2 | @：Amateur player |
| POS | Player | Score | Today | Hole | Rounds | Total | ||||
| R1 | R2 | R3 | R4 | |||||||
| 1 | Akio Sadakata | -4 | -1 | F | 67 | 69 | - | - | 136 | |
| Keita Nakajima | -4 | -1 | F | 67 | 69 | - | - | 136 | ||
| 3 | Yuta Uetake | -3 | -1 | F | 68 | 69 | - | - | 137 | |
| @ Kohei Okada | -3 | +1 | F | 66 | 71 | - | - | 137 | ||
| Takahiro Hataji | -3 | -3 | F | 70 | 67 | - | - | 137 | ||
| Ryo Ishikawa | -3 | -1 | F | 68 | 69 | - | - | 137 | ||
| Yuki Inamori | -3 | -1 | F | 68 | 69 | - | - | 137 | ||
| Kota Kaneko | -3 | ±0 | F | 67 | 70 | - | - | 137 | ||
| Brad Kennedy | -3 | -1 | F | 68 | 69 | - | - | 137 | ||
| 10 | Mikumu Horikawa | -2 | +2 | F | 66 | 72 | - | - | 138 | |
| Shaun Norris | -2 | -4 | F | 72 | 66 | - | - | 138 | ||
| Tomoharu Otsuki | -2 | -1 | F | 69 | 69 | - | - | 138 | ||
| Tatsunori Shogenji | -2 | -1 | F | 69 | 69 | - | - | 138 | ||
| 14 | Tomoyasu Sugiyama | -1 | -3 | F | 72 | 67 | - | - | 139 | |
| Sejung Hiramoto | -1 | -1 | F | 70 | 69 | - | - | 139 | ||
| Yuta Ikeda | -1 | -1 | F | 70 | 69 | - | - | 139 | ||
| Mikiya Akutsu | -1 | ±0 | F | 69 | 70 | - | - | 139 | ||
| Kensei Hirata | -1 | ±0 | F | 69 | 70 | - | - | 139 | ||
| Taiki Yoshida | -1 | -5 | F | 74 | 65 | - | - | 139 | ||
| 20 | Taiga Semikawa | ±0 | -1 | F | 71 | 69 | - | - | 140 | |
| Tomoyo Ikemura | ±0 | +1 | F | 69 | 71 | - | - | 140 | ||
| Naoyuki Kataoka | ±0 | +1 | F | 69 | 71 | - | - | 140 | ||
| Taichi Nabetani | ±0 | -1 | F | 71 | 69 | - | - | 140 | ||
| Daisuke Yasumoto | ±0 | ±0 | F | 70 | 70 | - | - | 140 | ||
| Aguri Iwasaki | ±0 | +2 | F | 68 | 72 | - | - | 140 | ||
| 26 | Anthony Quayle | +1 | ±0 | F | 71 | 70 | - | - | 141 | |
| Yujiro Ohori | +1 | ±0 | F | 71 | 70 | - | - | 141 | ||
| Shugo Imahira | +1 | +2 | F | 69 | 72 | - | - | 141 | ||
| @ Rintaro Nakano | +1 | +1 | F | 70 | 71 | - | - | 141 | ||
| Ryo Hisatsune | +1 | +3 | F | 68 | 73 | - | - | 141 | ||
| Takashi Ogiso | +1 | ±0 | F | 71 | 70 | - | - | 141 | ||
| Ryosuke Kinoshita | +1 | ±0 | F | 71 | 70 | - | - | 141 | ||
| Yusaku Hosono | +1 | ±0 | F | 71 | 70 | - | - | 141 | ||
| 34 | Shingo Katayama | +2 | -1 | F | 73 | 69 | - | - | 142 | |
| Jinichiro Kozuma | +2 | ±0 | F | 72 | 70 | - | - | 142 | ||
| Taihei Sato | +2 | +1 | F | 71 | 71 | - | - | 142 | ||
| Sang-Hee Lee | +2 | +3 | F | 69 | 73 | - | - | 142 | ||
| 38 | Yuta Kinoshita | +3 | +2 | F | 71 | 72 | - | - | 143 | |
| Shunya Takeyasu | +3 | -1 | F | 74 | 69 | - | - | 143 | ||
| Yuto Katsuragawa | +3 | +1 | F | 72 | 71 | - | - | 143 | ||
| Terumichi Kakazu | +3 | +5 | F | 68 | 75 | - | - | 143 | ||
| Ryo Noro | +3 | +1 | F | 72 | 71 | - | - | 143 | ||
| Noriyuki Kurogi | +3 | +5 | F | 68 | 75 | - | - | 143 | ||
| 44 | Yuki Kajimura | +4 | +2 | F | 72 | 72 | - | - | 144 | |
| Jigen Serizawa | +4 | +2 | F | 72 | 72 | - | - | 144 | ||
| Yuki Shino | +4 | ±0 | F | 74 | 70 | - | - | 144 | ||
| Hayato Yoshida | +4 | +1 | F | 73 | 71 | - | - | 144 | ||
| Juvic Pagunsan | +4 | +3 | F | 71 | 73 | - | - | 144 | ||
| Justin De Los Santos | +4 | +2 | F | 72 | 72 | - | - | 144 | ||
| Yusaku Miyazato | +4 | +3 | F | 71 | 73 | - | - | 144 | ||
| Taisei Shimizu | +4 | +3 | F | 71 | 73 | - | - | 144 | ||
| Hiroki Tanaka | +4 | +2 | F | 72 | 72 | - | - | 144 | ||
| Yuto Katsumata | +4 | +1 | F | 73 | 71 | - | - | 144 | ||
| Kaito Onishi | +4 | +1 | F | 73 | 71 | - | - | 144 | ||
| Young-Han Song | +4 | +4 | F | 70 | 74 | - | - | 144 | ||
| Hideto Tanihara | +4 | -1 | F | 75 | 69 | - | - | 144 | ||
| Ryutaro Nagano | +4 | +2 | F | 72 | 72 | - | - | 144 | ||
| Kenya Nakayama | +4 | +1 | F | 73 | 71 | - | - | 144 | ||
| 59 | Tomohiro Ishizaka | +5 | +6 | F | 69 | 76 | - | - | 145 | |
| Takumi Kanaya | +5 | ±0 | F | 75 | 70 | - | - | 145 | ||
| Taiga Nagano | +5 | +2 | F | 73 | 72 | - | - | 145 | ||
| Masashi Hidaka | +5 | +4 | F | 71 | 74 | - | - | 145 | ||
| @ Yutaka Toyoshima | +5 | +3 | F | 72 | 73 | - | - | 145 | ||
| Tomohiro Umeyama | +5 | +1 | F | 74 | 71 | - | - | 145 | ||
| ↑ ↑ ↑ The above players proceeded to Round 3. ↑ ↑ ↑ | ||||||||||
| 65 | Daisuke Matsubara | +6 | ±0 | F | 76 | 70 | - | - | 146 | |
| Adam Scott | +6 | +3 | F | 73 | 73 | - | - | 146 | ||
| Riki Kawamoto | +6 | +3 | F | 73 | 73 | - | - | 146 | ||
| Yusuke Kaneko | +6 | +3 | F | 73 | 73 | - | - | 146 | ||
| 69 | @ Jeffrey Guan | +7 | +1 | F | 76 | 71 | - | - | 147 | |
| Shiso Go | +7 | +5 | F | 72 | 75 | - | - | 147 | ||
| Takanori Konishi | +7 | +1 | F | 76 | 71 | - | - | 147 | ||
| Kosuke Suzuki | +7 | +3 | F | 74 | 73 | - | - | 147 | ||
| Todd Baek | +7 | +1 | F | 76 | 71 | - | - | 147 | ||
| Ryuko Tokimatsu | +7 | -1 | F | 78 | 69 | - | - | 147 | ||
| Daijiro Izumida | +7 | +3 | F | 74 | 73 | - | - | 147 | ||
| Prayad Marksaeng | +7 | +3 | F | 74 | 73 | - | - | 147 | ||
| 77 | Ryuichi Oiwa | +8 | +2 | F | 76 | 72 | - | - | 148 | |
| Sean Maruyama | +8 | +5 | F | 73 | 75 | - | - | 148 | ||
| Yosuke Tsukada | +8 | +5 | F | 73 | 75 | - | - | 148 | ||
| @ Yuma Iwai | +8 | +6 | F | 72 | 76 | - | - | 148 | ||
| Masamichi Ito | +8 | +5 | F | 73 | 75 | - | - | 148 | ||
| 82 | Masatsugu Fujishima | +9 | ±0 | F | 79 | 70 | - | - | 149 | |
| @ Koichiro Furuse | +9 | +10 | F | 69 | 80 | - | - | 149 | ||
| Nanase Wada | +9 | +5 | F | 74 | 75 | - | - | 149 | ||
| Shota Yoshimoto | +9 | +2 | F | 77 | 72 | - | - | 149 | ||
| Kenta Endo | +9 | +5 | F | 74 | 75 | - | - | 149 | ||
| 87 | @ Taishi Moto | +10 | +6 | F | 74 | 76 | - | - | 150 | |
| Masashi Shirouzu | +10 | +9 | F | 71 | 79 | - | - | 150 | ||
| Taiga Iwata | +10 | +4 | F | 76 | 74 | - | - | 150 | ||
| Adam Bland | +10 | +3 | F | 77 | 73 | - | - | 150 | ||
| 91 | Katsuyuki Sakurai | +11 | +4 | F | 77 | 74 | - | - | 151 | |
| Takeru Kawakami | +11 | +7 | F | 74 | 77 | - | - | 151 | ||
| Ibuki Yoshida | +11 | +6 | F | 75 | 76 | - | - | 151 | ||
| Shintaro Kobayashi | +11 | +5 | F | 76 | 75 | - | - | 151 | ||
| Taichi Kimura | +11 | +6 | F | 75 | 76 | - | - | 151 | ||
| @ Kotaro Murata | +11 | +4 | F | 77 | 74 | - | - | 151 | ||
| Toshihide Kato | +11 | +5 | F | 76 | 75 | - | - | 151 | ||
| 98 | Ryusuke Sakurai | +12 | +7 | F | 75 | 77 | - | - | 152 | |
| Ryo Okamura | +12 | +7 | F | 75 | 77 | - | - | 152 | ||
| Hiroyuki Nagamatsu | +12 | +7 | F | 75 | 77 | - | - | 152 | ||
| @ Shoka Onishi | +12 | +6 | F | 76 | 76 | - | - | 152 | ||
| Yasuki Hiramoto | +12 | +5 | F | 77 | 75 | - | - | 152 | ||
| 103 | Masaru Takahashi | +13 | +6 | F | 77 | 76 | - | - | 153 | |
| Hayato Sakuma | +13 | +7 | F | 76 | 77 | - | - | 153 | ||
| Eric Sugimoto | +13 | +4 | F | 79 | 74 | - | - | 153 | ||
| 106 | Masanori Kobayashi | +14 | +5 | F | 79 | 75 | - | - | 154 | |
| 107 | Masatsugu Morofuji | +15 | +15 | F | 70 | 85 | - | - | 155 | |
| Shintaro Ban | +15 | +5 | F | 80 | 75 | - | - | 155 | ||
| Koumei Oda | +15 | +8 | F | 77 | 78 | - | - | 155 | ||
| 110 | Shuto Sakamoto | +16 | +7 | F | 79 | 77 | - | - | 156 | |
| 111 | @ Kaito Hashizume | +17 | +4 | F | 83 | 74 | - | - | 157 | |
| @ Yu Kurihara | +17 | +6 | F | 81 | 76 | - | - | 157 | ||
| 113 | Makoto Inoue | +18 | +13 | F | 75 | 83 | - | - | 158 | |
| 114 | Shori Ishizuka | +19 | +10 | F | 79 | 80 | - | - | 159 | |
| Motoki Tanaka | +19 | +7 | F | 82 | 77 | - | - | 159 | ||
| 116 | Yuta Komura | +20 | +10 | F | 80 | 80 | - | - | 160 | |
| 117 | @ Riku Unose | +23 | +14 | F | 79 | 84 | - | - | 163 | |