The Siptan (Korean: 십단전, Hanja: 十段戰) is a Go competition.
The Siptan is sponsored by Wonik Corporation and the Hanguk Kiwon. The format is hayago (blitz) with 10 minutes total and 40 seconds for byo-yomi. The final is decided in a best-of-3 match. The winner's purse is 25,000,000 Won (~US$26,000). It is the Korean equivalent of the Japanese Judan title.
| Year | Winner | Score | Runner-up |
|---|---|---|---|
| 2005 | Lee Chang-ho | 2-1 | Pak Yeong-hun |
| 2006 | An Choyoung | 2-1 | Paek Hongsuk |
| 2007 | Lee Chang-ho | 2-0 | Mok Jin-seok |
| 2008 | Park Junghwan | 2-0 | Paek Hongsuk |
| 2009 | Park Junghwan | 2-1 | Lee Chang-ho |
| 2010 | Lee Sedol | 2-1 | Kang Yootaek |