6th Siptan
# 6th Siptan

The 6th Siptan began on 27 September 2010 and concluded on 5 April 2011. Lee Sedol defeated Kang Yootaek 2–1 in the final.

## Tournament

| Round of 16 | Round of 16 | Quarter-finals | Quarter-finals | | Semi-finals | Semi-finals | | Final | Final |
| - | - | - | - | - | - | - | - | - | - |
| 27 December | 27 December | | | | | | |
| Park Junghwan | 1 | | | | | | |
| Park Junghwan | 1 | 12 March | 12 March | | | | | |
| Jin Siyoung | 0 | 12 March | 12 March | | | | |
| Jin Siyoung | 0 | Park Junghwan | 1 | | | | |
| 31 January | 31 January | | Park Junghwan | 1 | | | | |
| 31 January | 31 January | Choi Cheol-han | 0 | | | | |
| Choi Cheol-han | 1 | Choi Cheol-han | 0 | | | | |
| Choi Cheol-han | 1 | | | | 19 March | 19 March | | |
| Choi Kihoon | 0 | | | | 19 March | 19 March | |
| Choi Kihoon | 0 | | | | Park Junghwan | 0 | |
| 5 January | 5 January | | | | | Park Junghwan | 0 | |
| 5 January | 5 January | | | | Kang Yootaek | 1 | |
| Kang Dongyun | 0 | | | | Kang Yootaek | 1 | |
| Kang Dongyun | 0 | 5 March | 5 March | | | | | |
| Won Seong-jin | 1 | 5 March | 5 March | | | | |
| Won Seong-jin | 1 | Won Seong-jin | 0 | | | | |
| 29 December | 29 December | | Won Seong-jin | 0 | | | | |
| 29 December | 29 December | Kang Yootaek | 1 | | | | |
| Jin Donggyu | 0 | Kang Yootaek | 1 | | | | |
| Jin Donggyu | 0 | | | | | | | 30 March–5 April | 30 March–5 April |
| Kang Yootaek | 1 | | | | | | | 30 March–5 April | 30 March–5 April |
| Kang Yootaek | 1 | | | | | | | Kang Yootaek | 1 |
| 17 January | 17 January | | | | | | | | Kang Yootaek | 1 |
| 17 January | 17 January | | | | | | | Lee Sedol | 2 |
| Kim Jiseok | 0 | | | | | | | Lee Sedol | 2 |
| Kim Jiseok | 0 | 6 March | 6 March | | | | | | |
| Jen Youngkyu | 1 | 6 March | 6 March | | | | | | |
| Jen Youngkyu | 1 | Jen Youngkyu | 0 | | | | | | |
| 12 January | 12 January | | Jen Youngkyu | 0 | | | | | | |
| 12 January | 12 January | Lee Sedol | 1 | | | | | | |
| Lee Sedol | 1 | Lee Sedol | 1 | | | | | | |
| Lee Sedol | 1 | | | | 20 March | 20 March | | | | |
| Heo Young-ho | 0 | | | | 20 March | 20 March | | | |
| Heo Young-ho | 0 | | | | Lee Sedol | 1 | | | |
| 5 January | 5 January | | | | | Lee Sedol | 1 | | | |
| 5 January | 5 January | | | | Lee Younggu | 0 | |
| Pak Yeong-hun | 1 | | | | Lee Younggu | 0 | |
| Pak Yeong-hun | 1 | 13 March | 13 March | | | | | |
| An Choyoung | 0 | 13 March | 13 March | | | | |
| An Choyoung | 0 | Pak Yeong-hun | 0 | | | | |
| 10 January | 10 January | | Pak Yeong-hun | 0 | | | | |
| 10 January | 10 January | Lee Younggu | 1 | | | | |
| Lee Younggu | 1 | Lee Younggu | 1 | | | | |
| Lee Chang-ho | 0 | | | | | | |
