| K League 1 | 22/05/21 | Jeju United | - | Seongnam FC | 2:2 | ||||
| K League 1 | 20/06/21 | Ulsan Hyundai FC | - | Seongnam FC | 2:2 | ||||
| K League 1 | 01/08/21 | Gwangju FC | - | Seongnam FC | 0:0 |
| K League 1 | 22/05/21 | Jeju United | - | Seongnam FC | 2:2 | ||||
| K League 1 | 20/06/21 | Ulsan Hyundai FC | - | Seongnam FC | 2:2 | ||||
| K League 1 | 01/08/21 | Gwangju FC | - | Seongnam FC | 0:0 |
| Sergiu Florin Buş | |
| Born: | 02.11.1992 |
| Place of birth: |
Cluj-Napoca, 
Romania |
| Nationality: |
Romania
|
| Height: | 185 cm |
| Weight: | 83 kg |
| Position(s): | Centre Forward |
| Foot: | right |