| K League 1 2015 Relegation - Appearances as Referee |  |
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 |
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| 07/11/2015 | Ulsan Hyundai FC | - | Daejeon Citizen | 2:1 | 2 | - | - |
| K League 1 2015 Relegation - Appearances as Referee | |
|
|
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| 07/11/2015 | Ulsan Hyundai FC | - | Daejeon Citizen | 2:1 | 2 | - | - |
| Complete name: | Sang-Il Woo |
| Born: | |
| Place of birth: |
South Korea |
| Nationality: |
South Korea |