Home History
| South Korea K4 League | 2021/06/06 08:00 | Siheung City AC v Seoul Jungang FC | L | 0-1 |
| South Korea K4 League | 2021/05/23 06:00 | Siheung City AC v Pyeongchang United | L | 0-1 |
| South Korea K4 League | 2021/05/16 05:00 | Chuncheon FC v Siheung City AC | W | 0-2 |
| South Korea K4 League | 2021/05/09 06:00 | Siheung City AC v Goyang Citizen FC | W | 3-2 |
| South Korea K4 League | 2021/05/01 06:00 | Siheung City AC v Gangwon FC Reserves | W | 3-2 |
| South Korea K4 League | 2021/04/17 06:00 | Siheung City AC v Chungju Citizen FC | W | 2-1 |
| South Korea K4 League | 2021/04/10 06:00 | Siheung City AC v Jinju Citizen FC | W | 1-0 |
| South Korea K4 League | 2021/04/03 06:00 | Siheung City AC v Jeonju Citizen FC | W | 2-1 |
Away History
| South Korea K4 League | 2021/06/05 10:00 | FC Namdong v Geoje Citizen FC | W | 0-2 |
| South Korea K4 League | 2021/05/29 08:00 | Jinju Citizen FC v Geoje Citizen FC | L | 3-0 |
| South Korea K4 League | 2021/05/22 06:00 | Geoje Citizen FC v Seoul Nowon United FC | D | 2-2 |
| South Korea K4 League | 2021/05/19 06:00 | Geoje Citizen FC v Seoul Jungang FC | W | 3-0 |
| South Korea K4 League | 2021/05/05 06:00 | Geoje Citizen FC v Yangpyeong FC | D | 3-3 |
| South Korea K4 League | 2021/05/01 05:00 | Chuncheon FC v Geoje Citizen FC | W | 0-2 |
| South Korea K4 League | 2021/04/25 06:00 | Geoje Citizen FC v Goyang Citizen FC | D | 1-1 |