Asian Sudoku Championship
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The Asian Sudoku Championship (ASC) is an annual international sudoku competition organised by a member of the World Puzzle Federation (WPF). The first official event was held in Jeju Island, South Korea in 2018[1] and the latest event was held in Chennai, India in 2025. National teams are determined by local affiliates of the WPF. The competition typically consists of several classic sudokus and variations to be solved by all competitors over multiple timed rounds. The competition did not take place in 2021 and 2022 due to the COVID-19 pandemic.
In the individual championship, Seungjae Kwak of South Korea, Kota Morinishi of Japan[2] and Sun Cheran of China,[3] each has won one title.
In the team championship, India and Japan have won twice.
| Year | City | Country | Individual | Team | ||||
|---|---|---|---|---|---|---|---|---|
| Gold | Silver | Bronze | Gold | Silver | Bronze | |||
| 2025 | Chennai |  India |
 Ken Endo | Hideaki Jo | Kishore Sridharan | Japan | India |  United Nations |
| 2024 | Shizuoka | Japan |
 Hu Yuxuan | Ken Endo |  Sinchai Rungsangrattanakul | China | Thailand | India |
| 2023 | Jeju Island |  South Korea |
Kota Morinishi | Prasanna Seshadri | Qianzi Li | |||
| 2020 | Hyderabad | India |
Sun Cheran | Rohan Rao | Prasanna Seshadri | India | China | Japan |
| 2019 | Pampanga |  Philippines |
Kota Morinishi | Seungjae Kwak | Rohan Rao | India | Japan | Philippines |
| 2018 | Jeju Island | South Korea |
Seungjae Kwak | Ken Endo | Rohan Rao | Japan | India | South Korea |
Records
Most of the champions have won with a considerable lead but the lower ranks have been closely contested.
| Name | Gold | Silver | Bronze | Total |
|---|---|---|---|---|
| Kota Morinishi | 2 | 0 | 0 | 2 |
| Ken Endo | 1 | 2 | 0 | 3 |
| Seungjae Kwak | 1 | 1 | 0 | 2 |
| Sun Cheran | 1 | 0 | 0 | 1 |
| Hu Yuxuan | 1 | 0 | 0 | 1 |
| Hideaki Jo | 0 | 1 | 0 | 1 |
| Rohan Rao | 0 | 1 | 2 | 3 |
| Prasanna Seshadri | 0 | 1 | 1 | 2 |
| Kishore Sridharan | 0 | 0 | 1 | 1 |
| Sinchai Rungsangrattanak | 0 | 0 | 1 | 1 |
| Qianzi Li | 0 | 0 | 1 | 1 |