| K League 1 2024 Championship - Appearances as Assistant | ||||
| 20/10/2024 | Gangwon FC | - | FC Seoul | 1:0 |
| 02/11/2024 | Gimcheon Sangmu | - | Suwon FC | 1:0 |
| 23/11/2024 | Ulsan HD FC | - | Suwon FC | 4:2 |
| K League 1 2024 Championship - Appearances as Assistant | ||||
| 20/10/2024 | Gangwon FC | - | FC Seoul | 1:0 |
| 02/11/2024 | Gimcheon Sangmu | - | Suwon FC | 1:0 |
| 23/11/2024 | Ulsan HD FC | - | Suwon FC | 4:2 |
| Complete name: | Joo-kyung Sung |
| Born: | |
| Place of birth: |
South Korea |
| Nationality: |
South Korea |