1. Round 27/02/2021 Jeonbuk FC - FC Seoul 2:0
2. Round 07/03/2021 FC Seoul - Suwon FC 3:0
4. Round 13/03/2021 Incheon United - FC Seoul 0:1
5. Round 17/03/2021 FC Seoul - Gwangju FC 2:1
6. Round 21/03/2021 Suwon Bluewings - FC Seoul 1:2
7. Round 03/04/2021 FC Seoul - Gangwon FC 0:1
8. Round 07/04/2021 Ulsan Hyundai FC - FC Seoul 3:2
9. Round 10/04/2021 FC Seoul - Pohang Steelers 1:2
10. Round 17/04/2021 FC Seoul - Daegu FC 0:1
11. Round 21/04/2021 Jeju United - FC Seoul 2:1
12. Round 25/04/2021 Suwon FC - FC Seoul 1:1
13. Round 30/04/2021 FC Seoul - Seongnam FC 2:2
18. Round 23/05/2021 Gangwon FC - FC Seoul 0:0
19. Round 29/05/2021 FC Seoul - Suwon Bluewings 0:3
15. Round 06/06/2021 Daegu FC - FC Seoul 1:1
14. Round 19/06/2021 Gwangju FC - FC Seoul 1:1
17. Round 14/07/2021 FC Seoul - Incheon United 0:1
21. Round 24/07/2021 Pohang Steelers - FC Seoul 0:1
22. Round 31/07/2021 FC Seoul - Ulsan Hyundai FC 0:0
23. Round 08/08/2021 FC Seoul - Gwangju FC 1:0
16. Round 05/09/2021 FC Seoul - Jeonbuk FC 3:4
29. Round 12/09/2021 Seongnam FC - FC Seoul 1:1
30. Round 19/09/2021 FC Seoul - Suwon FC 2:1
31. Round 22/09/2021 FC Seoul - Incheon United 0:0
32. Round 26/09/2021 Suwon Bluewings - FC Seoul 0:2
33. Round 03/10/2021 FC Seoul - Daegu FC 1:1
24. Round 24/10/2021 Gangwon FC - FC Seoul 1:4 Goal yellow card

Jong-gyu Yoon

Jong-gyu Yoon
Born: 20.03.1998
Place of birth: Pohang, South Korea South Korea
Nationality: South Korea South Korea
Height: 175 cm
Weight: 65 kg
Position(s): Right Back
Right Midfielder
Foot: right