| Belgium First Amateur Division | 2021/10/23 18:00 | RFC Mandel Utd v FCV Dender EH | L | 0-2 |
| Belgium First Amateur Division | 2021/10/17 13:00 | Rupel Boom FC v RFC Mandel Utd | W | 0-1 |
| Europe Friendlies | 2021/10/12 17:00 | RFC Mandel Utd v Royal Excel Mouscron | W | 1-0 |
| Belgium First Amateur Division | 2021/10/09 18:00 | RFC Mandel Utd v Dessel Sport | L | 0-3 |
| Belgium First Amateur Division | 2021/10/02 18:00 | RFC Mandel Utd v Francs Borains | D | 2-2 |
| Belgium First Amateur Division | 2021/09/18 18:00 | RFC Mandel Utd v URSL Vise | L | 1-2 |
| Belgium First Amateur Division | 2021/09/12 13:00 | Sint-Eloois-Winkel v RFC Mandel Utd | D | 1-1 |
| Europe Friendlies | 2021/09/02 17:30 | KV Oostende v RFC Mandel Utd | L | 3-0 |
| Belgium First Amateur Division | 2021/10/31 14:00 | Sint-Eloois-Winkel v RFC Liege | D | 1-1 |
| Belgium First Amateur Division | 2021/10/24 13:00 | RFC Liege v KSK Heist | W | 2-0 |
| Belgium First Amateur Division | 2021/10/16 18:00 | FCV Dender EH v RFC Liege | D | 0-0 |
| Belgium First Amateur Division | 2021/10/10 13:00 | RFC Liege v Royal Knokke | W | 3-0 |
| Belgium First Amateur Division | 2021/10/03 13:00 | RFC Liege v URSL Vise | L | 2-3 |
| Belgium First Amateur Division | 2021/09/19 15:00 | UR La Louvière Centre v RFC Liege | W | 0-2 |
| Belgium First Amateur Division | 2021/09/12 13:00 | RFC Liege v Tienen | D | 0-0 |
| Belgium Cup | 2021/09/05 14:00 | RFC Liege v Westerlo | L | 1-3 |