International Mathematical Olympiad
IMO 2023
IMO 2024
Timeline
Countries
Results
Search
Problems
Hall of fame
About IMO
Links and Resources
de
en
es
fr
ru
◄
Japan
►
Team results
•
Individual results
•
Hall of fame
Contestant
[
♀
♂
]
[↔]
Awards
Special prizes
Participations
G
S
B
HM
Nagao Kentaro
3
1
0
0
4
Soejima Makoto
3
0
1
0
4
Maruoka Tetsuyuki
2
2
0
0
4
Kataoka Toshiki
2
2
0
0
4
Takaya Yuta
2
1
0
0
3
Watanabe Masaki
2
0
0
0
2
Nishimoto Masaki
2
0
0
0
3
Kuroda Naoki
2
0
0
0
2
Kishikawa Akio
2
0
0
0
2
Imai Naoki
1
3
0
0
4
Takahashi Satoru
1
2
0
0
3
Odaka Yuji
1
2
0
0
3
Kitamura Takuma
1
2
0
0
3
Takigiku Motoki
1
1
1
0
3
Seki Norifumi
1
1
0
0
2
Oki Yuya
1
1
0
0
2
Nakajima Sachiko
1
1
0
0
2
Kuribayashi Tsukasa
1
1
0
0
2
Kodama Hiroki
1
1
0
0
2
Kitamura Ryunosuke
1
1
0
0
2
Kamio Yuhi
1
1
0
0
2
Imamura Shiro
1
1
0
0
2
Hosaka Kazuhiro
1
1
0
0
2
Yoshida Kensuke
1
0
0
0
1
Yamamoto Yuji
1
0
0
0
1
Ueoro Takahiro
1
0
0
0
1
Shimizu Toshihiro
1
0
0
0
1
Sakamoto Heizo
1
0
0
0
1
Ohashi Yuta
1
0
0
0
1
Kumabe Soh
1
0
0
0
1
Kodama Taiyo
1
0
0
0
1
Ito Atsushi
1
0
0
0
1
Inoue Shutaro
1
0
0
0
1
Hayakawa Satoshi
1
0
0
0
1
Furuya Tanoshi
1
0
0
0
1
Oshima Yoshiki
0
5
0
0
5
Yamauchi Atsuo
0
3
0
0
3
Yoshida Yuki
0
2
0
0
2
Tachikawa Yuji
0
2
0
0
2
Shukuta Ayato
0
2
0
0
2
Nomura Kento
0
2
0
0
2
Masugi Kazuki
0
2
0
0
2
Koshiyama Hiroki
0
2
0
0
2
Irie Kei
0
2
0
0
2
Aoki Ko
0
2
0
0
2
Watanabe Naoki
0
1
2
0
3
Kondo Hiroki
0
1
2
0
3
Yamamoto Takayoshi
0
1
1
0
2
Tamura Hiroki
0
1
1
0
2
Shimizu Genki
0
1
1
0
2
Murai Shogo
0
1
1
0
2
Kiyohara Daishi
0
1
1
0
2
Iwata Tatsuyuki
0
1
1
0
2
Ishida Ryo
0
1
1
0
2
Imoto Tasuku
0
1
1
0
2
Yamashita Mayuko
0
1
0
0
1
Wakasugi Naoto
0
1
0
0
1
Ueoro Takahiro
0
1
0
0
1
Tsutsumi Shin-ichi
0
1
0
0
1
Tomizawa Sohei
0
1
0
0
1
Tokoro Kota
0
1
0
0
1
Suma Yosuke
0
1
0
0
1
Shibue Tsukasa
0
1
0
0
1
Sannomiya Takumi
0
1
0
0
1
Saito Shingo
0
1
0
0
1
Saeki Yuki
0
1
0
0
1
Ohnawa Masashi
0
1
0
0
1
Oba Ryoshun
0
1
0
0
1
Nakagawa Masahiro
0
1
0
0
1
Murakami Sogo
0
1
0
0
1
Mitani Akinori
0
1
0
0
1
Minegishi Ryu
0
1
0
0
1
Matsushima Yasushi
0
1
0
0
1
Matsumoto Yuya
0
1
0
0
1
Masuda Naruki
0
1
0
0
1
Kurata Rikimaru
0
1
0
0
1
Kubota Soji
0
1
0
0
1
Komatsu Hiroki
0
1
0
0
1
Kinjo Tasuki
0
1
0
0
1
Kawamura Akitoshi
0
1
0
0
1
Katagiri Taku
0
1
0
0
1
Kano Satoshi
0
1
0
0
1
Kanda Shuho
0
1
0
0
1
Ito Yuki
0
1
0
0
1
Ishida Atsuya
0
1
0
0
1
Inoue Takuya
0
1
0
0
1
Hiraishi Yudai
0
1
0
0
1
Hiraguchi Ryoji
0
1
0
0
1
Hayashi Yasuo
0
1
0
0
1
Asano Tomohiro
0
1
0
0
1
Arai Tomochika
0
1
0
0
1
Arai Shuto
0
1
0
0
1
Okajima Takashi
0
0
2
0
2
Itou Takashi
0
0
2
0
2
Inoue Takuya
0
0
2
0
2
Yoshizawa Yuichiro
0
0
1
0
1
Yoshida Teruyoshi
0
0
1
0
1
Yoshida Tomoki
0
0
1
0
1
Yokota Tomoyuki
0
0
1
0
1
Tezuka Katsuki
0
0
1
0
1
Tezuka Masaki
0
0
1
0
1
Shinoki Hirotomo
0
0
1
0
1
Shimono Toshiyuki
0
0
1
0
1
Okawara Nariaki
0
0
1
0
1
Okada Nobuyuki
0
0
1
0
1
Nishikawa Hiroto
0
0
1
0
1
Nakashima Junichirou
0
0
1
0
1
Nakamura Naotosi
0
0
1
0
1
Nakamura Yusuke
0
0
1
0
1
Nagasaka Tomohiro
0
0
1
0
1
Moriyama Sanefumi
0
0
1
0
1
Miyamoto Daisuke
0
0
1
0
1
Matoya Kazuki
0
0
1
0
1
Koshikawa Teruhisa
0
0
1
0
1
Koide Keisuke
0
0
1
0
1
Kobayashi Yusuke
0
0
1
0
1
Kobayashi Koichiro
0
0
1
0
1
Kitayama Yuji
0
0
1
0
1
Jo Hideaki
0
0
1
0
1
Iyama Osamu
0
0
1
0
1
Ishikawa Suguru
0
0
1
0
1
Inoue Takuya
0
0
1
0
1
Ikeda Kokoro
0
0
1
0
1
Hirayama Fuma
0
0
1
0
1
Hayakawa Mutsumi
0
0
1
0
1
Adachi Jun
0
0
1
0
1
Shirano Yasuyuki
0
0
0
1
1
Oi Masao
0
0
0
1
1
Mieda Yoichi
0
0
0
1
1
Kura Naoto
0
0
0
1
1
Hayashi Koyo
0
0
0
1
1
Shinozaki Masahiko
0
0
0
0
1
Otsuki Tomoshi
0
0
0
0
1
Kono Kenichi
0
0
0
0
1
Kitaueda Atsushi
0
0
0
0
1
Katsumata Tomoyuki
0
0
0
0
1
Supported by Google