 |
 |
| AFC CLE | 11/02/2020 | Ulsan Hyundai FC | - | FC Tokyo | 1:1 | 3.350 |
| K League 1 | 09/05/2020 | Ulsan Hyundai FC | - | Sangju Sangmu | 4:0 | ??? |
| K League 1 | 24/05/2020 | Ulsan Hyundai FC | - | Busan IPark | 1:1 | ??? |
| K League 1 | 13/06/2020 | Ulsan Hyundai FC | - | Seongnam FC | 1:0 | ??? |
| K League 1 | 28/06/2020 | Ulsan Hyundai FC | - | Jeonbuk FC | 0:2 | ??? |
| K League 1 | 04/07/2020 | Ulsan Hyundai FC | - | Incheon United | 4:1 | ??? |
| K League 1 | 19/07/2020 | Ulsan Hyundai FC | - | Gangwon FC | 1:0 | ??? |
| K League 1 | 08/08/2020 | Ulsan Hyundai FC | - | Suwon Bluewings | 0:0 | 2.659 |
| K League 1 | 15/08/2020 | Ulsan Hyundai FC | - | Pohang Steelers | 2:0 | 3.242 |
| K League 1 | 30/08/2020 | Ulsan Hyundai FC | - | FC Seoul | 3:0 | ??? |
| K League 1 | 06/09/2020 | Ulsan Hyundai FC | - | Gwangju FC | 1:1 | ??? |
| K League 1 | 12/09/2020 | Ulsan Hyundai FC | - | Daegu FC | 1:1 | ??? |
| K League 1 | 02/10/2020 | Ulsan Hyundai FC | - | Sangju Sangmu | 4:1 | ??? |
| K League 1 | 25/10/2020 | Ulsan Hyundai FC | - | Jeonbuk FC | 0:1 | 6.973 |
| K League 1 | 01/11/2020 | Ulsan Hyundai FC | - | Gwangju FC | 3:0 | 3.478 |
| Cup | 04/11/2020 | Ulsan Hyundai FC | - | Jeonbuk FC | 1:1 | ??? |
South Korea