International Mathematical Olympiad

IMO 2025 IMO logo IMO 2026

Japan

Team results ● Individual results ● Hall of fame
Contestant Rank Awards Participations
G S B HM
Kentaro Nagao 1 3 1 0 0 4
Makoto Soejima 2 3 0 1 0 4
Tetsuyuki Maruoka 3 2 2 0 0 4
Toshiki Kataoka 3 2 2 0 0 4
Satoshi Kano 5 2 1 0 0 3
Yuta Takaya 5 2 1 0 0 3
Masaki Nishimoto 7 2 0 0 0 3
Akio Kishikawa 8 2 0 0 0 2
Masaki Watanabe 8 2 0 0 0 2
Naoki Kuroda 8 2 0 0 0 2
Naoki Imai 11 1 3 0 0 4
Satoru Takahashi 12 1 2 0 0 3
Takuma Kitamura 12 1 2 0 0 3
Yuji Odaka 12 1 2 0 0 3
Motoki Takigiku 15 1 1 1 0 3
Hiroki Kodama 16 1 1 0 0 2
Kazuhiro Hosaka 16 1 1 0 0 2
Norifumi Seki 16 1 1 0 0 2
Ryunosuke Kitamura 16 1 1 0 0 2
Sachiko Nakajima 16 1 1 0 0 2
Shinjiro Hamakawa 16 1 1 0 0 2
Shiro Imamura 16 1 1 0 0 2
Tsukasa Kuribayashi 16 1 1 0 0 2
Yuhi Kamio 16 1 1 0 0 2
Yuya Oki 16 1 1 0 0 2
Atsushi Ito 26 1 0 0 0 1
Heizo Sakamoto 26 1 0 0 0 1
Kazuki Yamamoto 26 1 0 0 0 1
Kensuke Yoshida 26 1 0 0 0 1
Satoshi Hayakawa 26 1 0 0 0 1
Shutaro Inoue 26 1 0 0 0 1
Siwoo Kim 26 1 0 0 0 1
Soh Kumabe 26 1 0 0 0 1
Taiyo Kodama 26 1 0 0 0 1
Takahiro Ueoro 26 1 0 0 0 1
Tanoshi Furuya 26 1 0 0 0 1
Toshihiro Shimizu 26 1 0 0 0 1
Yuji Yamamoto 26 1 0 0 0 1
Yuta Ohashi 26 1 0 0 0 1
Yoshiki Oshima 40 0 5 0 0 5
Atsuo Yamauchi 41 0 3 0 0 3
Naoto Wakasugi 42 0 2 0 1 3
Ayato Shukuta 43 0 2 0 0 2
Hiroki Koshiyama 43 0 2 0 0 2
Kazuki Masugi 43 0 2 0 0 2
Kei Irie 43 0 2 0 0 2
Kento Nomura 43 0 2 0 0 2
Ko Aoki 43 0 2 0 0 2
Yuji Tachikawa 43 0 2 0 0 2
Yuki Yoshida 43 0 2 0 0 2
Hiroki Kondo 51 0 1 2 0 3
Naoki Watanabe 51 0 1 2 0 3
Daishi Kiyohara 53 0 1 1 0 2
Genki Shimizu 53 0 1 1 0 2
Hiroki Tamura 53 0 1 1 0 2
Ryo Ishida 53 0 1 1 0 2
Shogo Murai 53 0 1 1 0 2
Takayoshi Yamamoto 53 0 1 1 0 2
Tasuku Imoto 53 0 1 1 0 2
Tatsuyuki Iwata 53 0 1 1 0 2
Akinori Mitani 61 0 1 0 0 1
Akitoshi Kawamura 61 0 1 0 0 1
Atsuya Ishida 61 0 1 0 0 1
Hiroki Komatsu 61 0 1 0 0 1
Kota Tokoro 61 0 1 0 0 1
Masahiro Nakagawa 61 0 1 0 0 1
Masashi Ohnawa 61 0 1 0 0 1
Mayuko Yamashita 61 0 1 0 0 1
Naohiro Miyahara 61 0 1 0 0 1
Naruki Masuda 61 0 1 0 0 1
Rikimaru Kurata 61 0 1 0 0 1
Ryoji Hiraguchi 61 0 1 0 0 1
Ryoshun Oba 61 0 1 0 0 1
Ryu Minegishi 61 0 1 0 0 1
Shin-ichi Tsutsumi 61 0 1 0 0 1
Shingo Saito 61 0 1 0 0 1
Shogo Ando 61 0 1 0 0 1
Shuho Kanda 61 0 1 0 0 1
Shuto Arai 61 0 1 0 0 1
Sogo Murakami 61 0 1 0 0 1
Sohei Tomizawa 61 0 1 0 0 1
Soji Kubota 61 0 1 0 0 1
Takahiro Ueoro 61 0 1 0 0 1
Taku Katagiri 61 0 1 0 0 1
Takumi Sannomiya 61 0 1 0 0 1
Takuya Inoue 61 0 1 0 0 1
Tasuki Kinjo 61 0 1 0 0 1
Tomochika Arai 61 0 1 0 0 1
Tomohiro Asano 61 0 1 0 0 1
Tsukasa Shibue 61 0 1 0 0 1
Yasuo Hayashi 61 0 1 0 0 1
Yasushi Matsushima 61 0 1 0 0 1
Yosuke Suma 61 0 1 0 0 1
Yudai Hiraishi 61 0 1 0 0 1
Yuki Ito 61 0 1 0 0 1
Yuki Saeki 61 0 1 0 0 1
Yuya Matsumoto 61 0 1 0 0 1
Takashi Itou 98 0 0 2 0 2
Takashi Okajima 98 0 0 2 0 2
Takuya Inoue 98 0 0 2 0 2
Daisuke Miyamoto 101 0 0 1 0 1
Fuma Hirayama 101 0 0 1 0 1
Hideaki Jo 101 0 0 1 0 1
Hiroto Nishikawa 101 0 0 1 0 1
Hirotomo Shinoki 101 0 0 1 0 1
Jun Adachi 101 0 0 1 0 1
Junichirou Nakashima 101 0 0 1 0 1
Katsuki Tezuka 101 0 0 1 0 1
Kazuki Matoya 101 0 0 1 0 1
Keisuke Koide 101 0 0 1 0 1
Kohta Iseto 101 0 0 1 0 1
Koichiro Kobayashi 101 0 0 1 0 1
Kokoro Ikeda 101 0 0 1 0 1
Masaki Tezuka 101 0 0 1 0 1
Mutsumi Hayakawa 101 0 0 1 0 1
Naotosi Nakamura 101 0 0 1 0 1
Nariaki Okawara 101 0 0 1 0 1
Nobuyuki Okada 101 0 0 1 0 1
Osamu Iyama 101 0 0 1 0 1
Ryusuke Iijima 101 0 0 1 0 1
Sanefumi Moriyama 101 0 0 1 0 1
Suguru Ishikawa 101 0 0 1 0 1
Takuya Inoue 101 0 0 1 0 1
Teruhisa Koshikawa 101 0 0 1 0 1
Teruyoshi Yoshida 101 0 0 1 0 1
Tomohiro Nagasaka 101 0 0 1 0 1
Tomoki Yoshida 101 0 0 1 0 1
Tomoyuki Yokota 101 0 0 1 0 1
Toshiyuki Shimono 101 0 0 1 0 1
Yuichiro Yoshizawa 101 0 0 1 0 1
Yuji Kitayama 101 0 0 1 0 1
Yusuke Kobayashi 101 0 0 1 0 1
Yusuke Nakamura 101 0 0 1 0 1
Koyo Hayashi 134 0 0 0 1 1
Masao Oi 134 0 0 0 1 1
Naoto Kura 134 0 0 0 1 1
Yasuyuki Shirano 134 0 0 0 1 1
Yoichi Mieda 134 0 0 0 1 1
Atsushi Kitaueda 139 0 0 0 0 1
Kenichi Kono 139 0 0 0 0 1
Masahiko Shinozaki 139 0 0 0 0 1
Tomoshi Otsuki 139 0 0 0 0 1
Tomoyuki Katsumata 139 0 0 0 0 1