【Full Leaderboard】 Update 03/17 15:30
85th Japan Open Golf Championship 2020
| ROUND 1 | @：Amateur player |
| POS | Player | Score | Today | Hole | Rounds | Total | |||
| R1 | R2 | R3 | R4 | ||||||
| 1 | Shugo Imahira | -4 | -4 | F | 66 | - | - | - | 66 |
| 2 | Toru Taniguchi | -3 | -3 | F | 67 | - | - | - | 67 |
| @ Yuto Katsuragawa | -3 | -3 | F | 67 | - | - | - | 67 | |
| @ Riki Kawamoto | -3 | -3 | F | 67 | - | - | - | 67 | |
| 5 | Daiki Imano | -2 | -2 | F | 68 | - | - | - | 68 |
| Mikumu Horikawa | -2 | -2 | F | 68 | - | - | - | 68 | |
| Shingo Katayama | -2 | -2 | F | 68 | - | - | - | 68 | |
| Kodai Ichihara | -2 | -2 | F | 68 | - | - | - | 68 | |
| 9 | Tatsunori Nukaga | -1 | -1 | F | 69 | - | - | - | 69 |
| Kazuki Higa | -1 | -1 | F | 69 | - | - | - | 69 | |
| Hideto Kobukuro | -1 | -1 | F | 69 | - | - | - | 69 | |
| @ Takara Oshima | -1 | -1 | F | 69 | - | - | - | 69 | |
| @ Ren Yonezawa | -1 | -1 | F | 69 | - | - | - | 69 | |
| Kei Takahashi | -1 | -1 | F | 69 | - | - | - | 69 | |
| Hiroyuki Fujita | -1 | -1 | F | 69 | - | - | - | 69 | |
| @ Keita Nakajima | -1 | -1 | F | 69 | - | - | - | 69 | |
| 17 | Yuki Ishikawa | ±0 | ±0 | F | 70 | - | - | - | 70 |
| @ Taisei Shimizu | ±0 | ±0 | F | 70 | - | - | - | 70 | |
| @ Taiga Sugihara | ±0 | ±0 | F | 70 | - | - | - | 70 | |
| Tomoharu Otsuki | ±0 | ±0 | F | 70 | - | - | - | 70 | |
| Jun Kikuchi | ±0 | ±0 | F | 70 | - | - | - | 70 | |
| Yoshitaka Takeya | ±0 | ±0 | F | 70 | - | - | - | 70 | |
| Naoto Nakanishi | ±0 | ±0 | F | 70 | - | - | - | 70 | |
| Ryo Katsumata | ±0 | ±0 | F | 70 | - | - | - | 70 | |
| Yuki Inamori | ±0 | ±0 | F | 70 | - | - | - | 70 | |
| Hirotaro Naito | ±0 | ±0 | F | 70 | - | - | - | 70 | |
| Shota Seki | ±0 | ±0 | F | 70 | - | - | - | 70 | |
| Tomohiro Umeyama | ±0 | ±0 | F | 70 | - | - | - | 70 | |
| Daisuke Yasumoto | ±0 | ±0 | F | 70 | - | - | - | 70 | |
| Rikuya Hoshino | ±0 | ±0 | F | 70 | - | - | - | 70 | |
| Yuki Kono | ±0 | ±0 | F | 70 | - | - | - | 70 | |
| Koumei Oda | ±0 | ±0 | F | 70 | - | - | - | 70 | |
| @ Kosuke Suzuki | ±0 | ±0 | F | 70 | - | - | - | 70 | |
| 34 | Mikiya Akutsu | +1 | +1 | F | 71 | - | - | - | 71 |
| Keisuke Otawa | +1 | +1 | F | 71 | - | - | - | 71 | |
| Satoshi Nakayama | +1 | +1 | F | 71 | - | - | - | 71 | |
| Yuichi Teruya | +1 | +1 | F | 71 | - | - | - | 71 | |
| Toshinori Muto | +1 | +1 | F | 71 | - | - | - | 71 | |
| Daichi Sato | +1 | +1 | F | 71 | - | - | - | 71 | |
| Masanori Kobayashi | +1 | +1 | F | 71 | - | - | - | 71 | |
| Yosuke Tsukada | +1 | +1 | F | 71 | - | - | - | 71 | |
| Ryuji Masaoka | +1 | +1 | F | 71 | - | - | - | 71 | |
| Takahiro Hataji | +1 | +1 | F | 71 | - | - | - | 71 | |
| Suzuchiyo Ishida | +1 | +1 | F | 71 | - | - | - | 71 | |
| Taiko Nishiyama | +1 | +1 | F | 71 | - | - | - | 71 | |
| Atomu Shigenaga | +1 | +1 | F | 71 | - | - | - | 71 | |
| Ryuko Tokimatsu | +1 | +1 | F | 71 | - | - | - | 71 | |
| 48 | Takaya Onoda | +2 | +2 | F | 72 | - | - | - | 72 |
| Tomoyo Ikemura | +2 | +2 | F | 72 | - | - | - | 72 | |
| Shota Akiyoshi | +2 | +2 | F | 72 | - | - | - | 72 | |
| Yoshiaki Kimura | +2 | +2 | F | 72 | - | - | - | 72 | |
| Kenshiro Ikegami | +2 | +2 | F | 72 | - | - | - | 72 | |
| Taisho Okabe | +2 | +2 | F | 72 | - | - | - | 72 | |
| Tomohiro Kondo | +2 | +2 | F | 72 | - | - | - | 72 | |
| Hideto Tanihara | +2 | +2 | F | 72 | - | - | - | 72 | |
| Jinichiro Kozuma | +2 | +2 | F | 72 | - | - | - | 72 | |
| Daisuke Kataoka | +2 | +2 | F | 72 | - | - | - | 72 | |
| Taihei Sato | +2 | +2 | F | 72 | - | - | - | 72 | |
| Takumi Kanaya | +2 | +2 | F | 72 | - | - | - | 72 | |
| Taisei Yamada | +2 | +2 | F | 72 | - | - | - | 72 | |
| @ Taiga Semikawa | +2 | +2 | F | 72 | - | - | - | 72 | |
| Daisuke Matsubara | +2 | +2 | F | 72 | - | - | - | 72 | |
| 63 | Hisaki Takeuchi | +3 | +3 | F | 73 | - | - | - | 73 |
| @ Akio Mizukami | +3 | +3 | F | 73 | - | - | - | 73 | |
| Masafumi Kawase | +3 | +3 | F | 73 | - | - | - | 73 | |
| Takafumi Kawane | +3 | +3 | F | 73 | - | - | - | 73 | |
| @ Yuta Sugiura | +3 | +3 | F | 73 | - | - | - | 73 | |
| Yoshimasa Toya | +3 | +3 | F | 73 | - | - | - | 73 | |
| Daijiro Izumida | +3 | +3 | F | 73 | - | - | - | 73 | |
| @ Kodai Ueda | +3 | +3 | F | 73 | - | - | - | 73 | |
| Tadahiro Takayama | +3 | +3 | F | 73 | - | - | - | 73 | |
| Shunichiro Morioka | +3 | +3 | F | 73 | - | - | - | 73 | |
| Ryo Ishikawa | +3 | +3 | F | 73 | - | - | - | 73 | |
| 74 | Aoki Takano | +4 | +4 | F | 74 | - | - | - | 74 |
| Shohei Hasegawa | +4 | +4 | F | 74 | - | - | - | 74 | |
| Yosuke Asaji | +4 | +4 | F | 74 | - | - | - | 74 | |
| Masamichi Uehira | +4 | +4 | F | 74 | - | - | - | 74 | |
| Koki Shiomi | +4 | +4 | F | 74 | - | - | - | 74 | |
| Masashi Hidaka | +4 | +4 | F | 74 | - | - | - | 74 | |
| Tomohiro Ishizaka | +4 | +4 | F | 74 | - | - | - | 74 | |
| Shota Matsumoto | +4 | +4 | F | 74 | - | - | - | 74 | |
| Sachio Sugiyama | +4 | +4 | F | 74 | - | - | - | 74 | |
| Dai Takeuchi | +4 | +4 | F | 74 | - | - | - | 74 | |
| Takuyoshi Handa | +4 | +4 | F | 74 | - | - | - | 74 | |
| @ Kodai Aoyama | +4 | +4 | F | 74 | - | - | - | 74 | |
| Toshiumi Kushioka | +4 | +4 | F | 74 | - | - | - | 74 | |
| Riou Shimano | +4 | +4 | F | 74 | - | - | - | 74 | |
| Keisuke Sato | +4 | +4 | F | 74 | - | - | - | 74 | |
| @ Jigen Serizawa | +4 | +4 | F | 74 | - | - | - | 74 | |
| 90 | Taigen Tsumagari | +5 | +5 | F | 75 | - | - | - | 75 |
| Taiga Fukuoka | +5 | +5 | F | 75 | - | - | - | 75 | |
| Kenichi Kuboya | +5 | +5 | F | 75 | - | - | - | 75 | |
| Nobuhiro Masuda | +5 | +5 | F | 75 | - | - | - | 75 | |
| @ Taichiro Ideriha | +5 | +5 | F | 75 | - | - | - | 75 | |
| Naoyuki Kataoka | +5 | +5 | F | 75 | - | - | - | 75 | |
| Taichi Teshima | +5 | +5 | F | 75 | - | - | - | 75 | |
| Mitsumasa Tamura | +5 | +5 | F | 75 | - | - | - | 75 | |
| Toyokazu Fujishima | +5 | +5 | F | 75 | - | - | - | 75 | |
| Hiroshi Iwata | +5 | +5 | F | 75 | - | - | - | 75 | |
| Yusaku Miyazato | +5 | +5 | F | 75 | - | - | - | 75 | |
| Taiki Yoshida | +5 | +5 | F | 75 | - | - | - | 75 | |
| Hirofumi Miyase | +5 | +5 | F | 75 | - | - | - | 75 | |
| 103 | Sushi Ishigaki | +6 | +6 | F | 76 | - | - | - | 76 |
| @ Hiroki Izumida | +6 | +6 | F | 76 | - | - | - | 76 | |
| Toru Nakajima | +6 | +6 | F | 76 | - | - | - | 76 | |
| Makoto Inoue | +6 | +6 | F | 76 | - | - | - | 76 | |
| Katsufumi Okino | +6 | +6 | F | 76 | - | - | - | 76 | |
| Yoshikazu Haku | +6 | +6 | F | 76 | - | - | - | 76 | |
| Norihiko Furusho | +6 | +6 | F | 76 | - | - | - | 76 | |
| 110 | @ Kota Iwai | +7 | +7 | F | 77 | - | - | - | 77 |
| Daisuke Uemori | +7 | +7 | F | 77 | - | - | - | 77 | |
| @ Taishi Moto | +7 | +7 | F | 77 | - | - | - | 77 | |
| 113 | Daisuke Maruyama | +8 | +8 | F | 78 | - | - | - | 78 |
| Yuta Kinoshita | +8 | +8 | F | 78 | - | - | - | 78 | |
| Katsumasa Miyamoto | +8 | +8 | F | 78 | - | - | - | 78 | |
| 116 | Ryosuke Kinoshita | +9 | +9 | F | 79 | - | - | - | 79 |
| Yuta Ikeda | +9 | +9 | F | 79 | - | - | - | 79 | |
| Kento Nakai | +9 | +9 | F | 79 | - | - | - | 79 | |
| Shinya Yamazaki | +9 | +9 | F | 79 | - | - | - | 79 | |
| 120 | Riku Igaki | +14 | +14 | F | 84 | - | - | - | 84 |