16th GS Caltex Cup
# 16th GS Caltex Cup

The 16th GS Caltex Cup began in January 2011. Won Seong-jin, the defending champion, was knocked out in the first round.

## Tournament

    As of 1 July 2011.

| Round of 16 | Round of 16 | Quarter-finals | Quarter-finals | | Semi-finals | Semi-finals | | Final | Final |
| - | - | - | - | - | - | - | - | - | - |
| 4 April | 4 April | | | | | | |
| Park Seunghyun | 0 | | | | | | |
| Park Seunghyun | 0 | 28 June | 28 June | | | | | |
| Park Junghwan | 1 | 28 June | 28 June | | | | |
| Park Junghwan | 1 | Park Junghwan | 1 | | | | |
| 9 May | 9 May | | Park Junghwan | 1 | | | | |
| 9 May | 9 May | Kim Jiseok | 0 | | | | |
| Park Seunghwa | 0 | Kim Jiseok | 0 | | | | |
| Kim Jiseok | 1 | | | | | | |
| Kim Jiseok | 1 | | | | Park Junghwan | 1 | |
| 4 May | 4 May | | | | | Park Junghwan | 1 | |
| 4 May | 4 May | | | | Lee Younggu | 0 | |
| Ryu Jaehyeong | 1 | | | | Lee Younggu | 0 | |
| Ryu Jaehyeong | 1 | 30 May | 30 May | | | | | |
| Heo Yeongho | 0 | 30 May | 30 May | | | | |
| Heo Yeongho | 0 | Ryu Jaehyeong | 0 | | | | |
| 23 May | 23 May | | Ryu Jaehyeong | 0 | | | | |
| 23 May | 23 May | Lee Younggu | 1 | | | | |
| An Hyungjun | 0 | Lee Younggu | 1 | | | | |
| Lee Younggu | 1 | | | | | | | | |
| Lee Younggu | 1 | | | | | | | Park Junghwan | 3 |
| 16 May | 16 May | | | | | | | | Park Junghwan | 3 |
| 16 May | 16 May | | | | | | | Pak Yeong-hun | 0 |
| Kim Sedong | 0 | | | | | | | Pak Yeong-hun | 0 |
| Kim Sedong | 0 | 6 June | 6 June | | | | | | |
| Cho Hanseung | 1 | 6 June | 6 June | | | | | | |
| Cho Hanseung | 1 | Cho Hanseung | 1 | | | | | | |
| 21 March | 21 March | | Cho Hanseung | 1 | | | | | | |
| 21 March | 21 March | Kang Dongyun | 0 | | | | | | |
| Yeom Junghoon | 0 | Kang Dongyun | 0 | | | | | | |
| Kang Dongyun | 1 | | | | | | | | |
| Kang Dongyun | 1 | | | | Cho Hanseung | 0 | | | |
| 18 April | 18 April | | | | | Cho Hanseung | 0 | | | |
| 18 April | 18 April | | | | Pak Yeong-hun | 1 | |
| Kim Juho | 0 | | | | Pak Yeong-hun | 1 | |
| Kim Juho | 0 | 20 June | 20 June | | | | | |
| Pak Yeong-hun | 1 | 20 June | 20 June | | | | |
| Pak Yeong-hun | 1 | Pak Yeong-hun | 1 | | | | |
| 11 April | 11 April | | Pak Yeong-hun | 1 | | | | |
| 11 April | 11 April | Kang Changbae | 0 | | | | |
| Kang Changbae | 1 | Kang Changbae | 0 | | | | |
| Won Seong-jin | 0 | | | | | | |
