# 49th Judan

The 49th Judan began on 20 June 2010 and concluded on 29 April 2011. Challenger Iyama Yuta Meijin defeated title holder Cho U, who won the previous two tournaments.

## Tournament
### Winners section

| Round of 16 | Round of 16 | Quarter-finals | Quarter-finals | | Semi-finals | Semi-finals | | Final | Final |
| 3 June | 3 June | | | | | | |
| Anzai Nobuaki | 1 | | | | | | |
| Anzai Nobuaki | 1 | 12 August | 12 August | | | | | |
| Shuto Shun | 0 | 12 August | 12 August | | | | |
| Shuto Shun | 0 | Anzai Nobuaki | 1 | | | | |
| 17 June | 17 June | | Anzai Nobuaki | 1 | | | | |
| 17 June | 17 June | Cho Chikun | 0 | | | | |
| Akiyama Jiro | 0 | Cho Chikun | 0 | | | | |
| Akiyama Jiro | 0 | | | | 4 September | 4 September | | |
| Cho Chikun | 1 | | | | 4 September | 4 September | |
| Cho Chikun | 1 | | | | Anzai Nobuaki | 0 | |
| 17 June | 17 June | | | | | Anzai Nobuaki | 0 | |
| 17 June | 17 June | | | | Yamashita Keigo | 1 | |
| O Rissei | 0 | | | | Yamashita Keigo | 1 | |
| O Rissei | 0 | 29 July | 29 July | | | | | |
| Ri Ishu | 1 | 29 July | 29 July | | | | |
| Ri Ishu | 1 | Ri Ishu | 0 | | | | |
| 3 June | 3 June | | Ri Ishu | 0 | | | | |
| 3 June | 3 June | Yamashita Keigo | 1 | | | | |
| Yamashita Keigo | 1 | Yamashita Keigo | 1 | | | | |
| Yamashita Keigo | 1 | | | | | | | 10 February | 10 February |
| Sakai Hideyuki | 0 | | | | | | | 10 February | 10 February |
| Sakai Hideyuki | 0 | | | | | | | Iyama Yuta | 1 |
| 1 July | 1 July | | | | | | | | Iyama Yuta | 1 |
| 1 July | 1 July | | | | | | | Takao Shinji | 0 |
| Iyama Yuta | 1 | | | | | | | Takao Shinji | 0 |
| Iyama Yuta | 1 | 22 July | 22 July | | | | | | |
| Kono Rin | 0 | 22 July | 22 July | | | | | | |
| Kono Rin | 0 | Iyama Yuta | 1 | | | | | | |
| 20 May | 20 May | | Iyama Yuta | 1 | | | | | | |
| 20 May | 20 May | Hane Naoki | 0 | | | | | | |
| Yamashiro Hiroshi | 0 | Hane Naoki | 0 | | | | | | |
| Yamashiro Hiroshi | 0 | | | | 12 August | 12 August | | | | |
| Hane Naoki | 1 | | | | 12 August | 12 August | | | |
| Hane Naoki | 1 | | | | Iyama Yuta | 1 | | | |
| 20 May | 20 May | | | | | Iyama Yuta | 1 | | | |
| 20 May | 20 May | | | | Ko Iso | 0 | |
| Takao Shinji | 0 | | | | Ko Iso | 0 | |
| Takao Shinji | 0 | 22 July | 22 July | | | | | |
| So Yokoku | 1 | 22 July | 22 July | | | | |
| So Yokoku | 1 | So Yokoku | 0 | | | | |
| 27 May | 27 May | | So Yokoku | 0 | | | | |
| 27 May | 27 May | Ko Iso | 1 | | | | |
| Ko Iso | 1 | Ko Iso | 1 | | | | |
| Kurahashi Masayuki | 0 | | | | | | |

### Losers section

| Round of 16 | Round of 16 | Quarter-finals | Quarter-finals | | Semi-finals | Semi-finals | | Final | Final |
| 29 July | 29 July | | | | | | |
| Shuto Shun | 0 | | | | | | |
| Shuto Shun | 0 | 16 September | 16 September | | | | | |
| Akiyama Jiro | 1 | 16 September | 16 September | | | | |
| Akiyama Jiro | 1 | Akiyama Jiro | 1 | | | | |
| 9 August | 9 August | | Akiyama Jiro | 1 | | | | |
| 9 August | 9 August | Sakai Hideyuki | 0 | | | | |
| O Rissei | 0 | Sakai Hideyuki | 0 | | | | |
| O Rissei | 0 | | | | 28 October | 28 October | | |
| Sakai Hideyuki | 1 | | | | 28 October | 28 October | |
| Sakai Hideyuki | 1 | | | | Akiyama Jiro | 0 | |
| 5 August | 5 August | | | | | Akiyama Jiro | 0 | |
| 5 August | 5 August | | | | Takao Shinji | 1 | |
| Kono Rin | 1 | | | | Takao Shinji | 1 | |
| Kono Rin | 1 | 19 August | 19 August | | | | | |
| Yamashiro Hiroshi | 0 | 19 August | 19 August | | | | |
| Yamashiro Hiroshi | 0 | Kono Rin | 0 | | | | |
| 8 July | 8 July | | Kono Rin | 0 | | | | |
| 8 July | 8 July | Takao Shinji | 1 | | | | |
| Takao Shinji | 1 | Takao Shinji | 1 | | | | |
| Takao Shinji | 1 | | | | | | | 20 January | 20 January |
| Kurahashi Masayuki | | | | | | | | 20 January | 20 January |
| Kurahashi Masayuki | | | | | | | | Takao Shinji | 1 |
| 2 September | 2 September | | | | | | | | Takao Shinji | 1 |
| 2 September | 2 September | | | | | | | Ko Iso | 0 |
| Cho Chikun | 1 | | | | | | | Ko Iso | 0 |
| Cho Chikun | 1 | 14 October | 14 October | | | | | | |
| Ri Ishu | 0 | 14 October | 14 October | | | | | | |
| Ri Ishu | 0 | Cho Chikun | 1 | | | | | | |
| 26 August | 26 August | | Cho Chikun | 1 | | | | | | |
| 26 August | 26 August | Hane Naoki | 0 | | | | | | |
| Hane Naoki | 1 | Hane Naoki | 0 | | | | | | |
| Hane Naoki | 1 | | | | 4 November | 4 November | | | | |
| So Yokoku | 0 | | | | 4 November | 4 November | | | |
| So Yokoku | 0 | | | | Cho Chikun | 0 | | | |
| | | | | | Ko Iso | 1 | |
| | | 14 October | 14 October | | | | | |
| | | Anzai Nobuaki | 0 | | | | |
| | | Ko Iso | 1 | | | | |