| U17 World Cup 2007 South Korea - Appearances as Assistant | ||||
| 20/08/2007 | Belgium | - | Tunisia | 2:4 |
| 22/08/2007 | Argentina | - | Honduras | 4:1 |
| 26/08/2007 | Germany | - | Trinidad & Tobago | 5:0 |
| 01/09/2007 | Ghana | - | Peru | 2:0 |
| 09/09/2007 | Spain | - | Nigeria | 0:3 pso |
| U17 World Cup 2007 South Korea - Appearances as Assistant | ||||
| 20/08/2007 | Belgium | - | Tunisia | 2:4 |
| 22/08/2007 | Argentina | - | Honduras | 4:1 |
| 26/08/2007 | Germany | - | Trinidad & Tobago | 5:0 |
| 01/09/2007 | Ghana | - | Peru | 2:0 |
| 09/09/2007 | Spain | - | Nigeria | 0:3 pso |
| Complete name: | Hae-sang Jeong |
| Born: | 01/06/1971 |
| Place of birth: |
South Korea |
| Nationality: |
South Korea |