The Ahan Tongshan Cup is a Chinese Go competition.
The Ahan Tongshan Cup is a Go tournament played with fast time controls: Each player has 30 seconds per move, along with 10 one-minute periods of extra thinking time. The format is single elimination. As of 2024, the winner receives 200,000 RMB in prize money.
The Ahan Tongshan Cup is the Chinese counterpart of the Agon Kiriyama Cup in Japan. Both tournaments are sponsored by Agon Shu. The winners of the two tournaments play against each other in the China-Japan Agon Cup.
| Edition | Year | Winner | Score | Runner-up | |
|---|---|---|---|---|---|
| 1st | 1999 | 1–0 | Zhou Heyang | ||
| 2nd | 2000 | Zhou Heyang | 1–0 | Shao Weigang | |
| 3rd | 2001 | Liu Jing | 1–0 | Ma Xiaochun | |
| 4th | 2002 | 1–0 | Huang Yizhong | ||
| 5th | 2003 | 1–0 | Kong Jie | ||
| 6th | 2004 | Zhou Heyang | 1–0 | Shao Weigang | |
| 7th | 2005 | Gu Li | 1–0 | Qiu Jun | |
| 8th | 2006 | 1–0 | Luo Xihe | ||
| 9th | 2007 | Liu Xing | 1–0 | Kong Jie | |
| 10th | 2008 | Gu Li | 1–0 | Chang Hao | |
| 11th | 2009 | Sun Tengyu | 1–0 | ||
| 12th | 2010 | Qiu Jun | 1–0 | Chang Hao | |
| 13th | 2011 | Piao Wenyao | 1–0 | Chen Yaoye | |
| 14th | 2012 | Gu Li | 1–0 | Zhou Ruiyang | |
| 15th | 2013 | 1–0 | Fan Tingyu | ||
| 16th | 2014 | 1–0 | Tang Weixing | ||
| 17th | 2015 | 1–0 | Chen Yaoye | ||
| 18th | 2016 | Ke Jie | 1–0 | Chen Yaoye | |
| 19th | 2017 | 1–0 | Ke Jie | ||
| 20th | 2018 | 1–0 | Fan Tingyu | ||
| 21st | 2019 | Fan Tingyu | 1–0 | Tuo Jiaxi | |
| 22nd | 2021 | Gu Zihao | 1–0 | Huang Yunsong | |
| 23rd | 2022 | Li Qincheng | 1–0 | Xie Erhao | |
| 24th | 2023 | Yang Dingxin | 1–0 | Gu Zihao | |
| 25th | 2024 | Chen Zijian | 1–0 | Rong Yi |