| Cup | 28/06/23 | Pohang Steelers | - | Gangwon FC | 2:1 | ||||
| K League 1 | 28/09/24 | Jeonbuk FC | - | Jeju United | 2:1 |  |
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| K League 1 | 19/10/24 | Incheon United | - | Jeju United | 1:2 |  |
| Cup | 28/06/23 | Pohang Steelers | - | Gangwon FC | 2:1 | ||||
| K League 1 | 28/09/24 | Jeonbuk FC | - | Jeju United | 2:1 | |
|||
| K League 1 | 19/10/24 | Incheon United | - | Jeju United | 1:2 | |
| Jefferson Fernando Isidio | |
| Born: | 04.04.1997 |
| Place of birth: |
Ararás, 
Brazil |
| Nationality: |
Brazil
|
| Height: | 176 cm |
| Weight: | 71 kg |
| Position(s): | Left Winger Offensive Midfielder |
| Foot: | left |