| 2020-09-05 15:00:0005/09/20 | Crook Town v Redcar Athletic | 3 - 0 | Division 2 | 2020-21 | The Sir Tom Cowie Millfield | | 227 |
| Christian Holliday (15, 29) Daniel Kent (68) |
| 2020-09-09 19:45:0009/09/20 | Redcar Athletic v Esh Winning | 1 - 0 | Division 2 | 2020-21 | Green Lane | | 298 |
| Lee Bythway (62) |
| 2020-09-12 15:00:0012/09/20 | Redcar Athletic v Newcastle University | 1 - 1 | Division 2 | 2020-21 | Green Lane | | 205 |
| Jordan Rivis ((50) |
| Niza Chilufya (33), Ehizojie Oifoh sent off (44) |
| 2020-09-16 19:45:0016/09/20 | Redcar Athletic v Sunderland West End | 2 - 2 | Division 2 | 2020-21 | Green Lane | | 225 |
| Lee Bythway 2 (40, 91) |
| Christopher Tarn (71 pen) Kieron Martin (83) |
| 2020-09-23 19:45:0023/09/20 | Redcar Athletic v Birtley Town | 4 - 1 | Division 2 | 2020-21 | Green Lane | | 152 |
| Adam Preston (45+3) Joe Bennett (80) Jordan Rivis (91 pen) Isaac Walker (93) |
| Joseph Barwick (75) |
| 2020-09-26 15:00:0026/09/20 | Redcar Athletic v West Allotment Celtic | 0 - 2 | Division 2 | 2020-21 | Green Lane | | 162 |
| Dean Walker 2 (51, 68) |
| 2020-10-01 19:30:0001/10/20 | Easington Colliery v Redcar Athletic | 4 - 1 | Division 2 | 2020-21 | Welfare Park | | 105 |
| Liam Adamson (17), Lee Chapman (34), Jack Pounder (41), Kevin Pearn (65) |
| Matthew Bell (38) |
| 2020-10-03 15:00:0003/10/20 | Redcar Athletic v Durham City | 6 - 0 | Division 2 | 2020-21 | Green Lane | | 120 |
| Adam Preston (36) Isaac Walker 2 (48, 73) Nick Martin (60) Jack Proctor (79) Harry Williams (86) |
| 2020-10-07 19:30:0007/10/20 | Redcar Athletic v Bedlington Terriers | 0 - 0 | Division 2 | 2020-21 | Green Lane | | 169 |
| 2020-10-10 15:00:1710/10/20 | Redcar Athletic v Whickham | 2 - 1 | | 2020-21 | | FA VaseSecond Qualifying Round | |
| 255 |
| 2020-10-24 15:00:0024/10/20 | Willington v Redcar Athletic | 0 - 2 | Division 2 | 2020-21 | Hall Lane | | 82 |
| Isaac Walker (52) Nick Martin (81) |
| 2020-10-31 15:00:5831/10/20 | Redcar Athletic v Holker Old Boys | 1 - 2 | | 2020-21 | | FA VaseFirst Round | 197 |
| Lee Farrington (53) |
| David Round (3) Tom Dawson (45+2) |
| 2020-11-04 19:30:0004/11/20 | Redcar Athletic v Jarrow | 2 - 1 | Division 2 | 2020-21 | Green Lane | | 195 |
| Nick Martin (47) Lee Farrington (74) |
| Gary Shaw (72) |
| 2020-12-05 15:00:0005/12/20 | Carlisle City v Redcar Athletic | 15:00:003:00 pm | Division 2 | 2020-21 | Gillford Park Stadium | | |
| 2020-12-09 19:45:0009/12/20 | Sunderland West End v Redcar Athletic | 19:45:007:45 pm | Division 2 | 2020-21 | Ford Hub Sports Complex | | |
| 2020-12-12 15:00:0012/12/20 | Redcar Athletic v Heaton Stannington | 15:00:003:00 pm | Division 2 | 2020-21 | Green Lane | | |
| 2020-12-19 15:00:0019/12/20 | Esh Winning v Redcar Athletic | 15:00:003:00 pm | Division 2 | 2020-21 | The WindowsPlusRoofs Arena | | |
| 2020-12-28 15:00:0028/12/20 | Redcar Athletic v Tow Law Town | 15:00:003:00 pm | Division 2 | 2020-21 | Green Lane | | |
| 2021-01-02 15:00:0002/01/21 | Redcar Athletic v Willington | 15:00:003:00 pm | Division 2 | 2020-21 | Green Lane | | |
| 2021-01-16 15:00:0016/01/21 | Birtley Town v Redcar Athletic | 15:00:003:00 pm | Division 2 | 2020-21 | The Arrowmark Home Improvements Stadium | | |
| 2021-01-23 15:00:0023/01/21 | Redcar Athletic v Easington Colliery | 15:00:003:00 pm | Division 2 | 2020-21 | Green Lane | | |
| 2021-01-30 15:00:0030/01/21 | Bedlington Terriers v Redcar Athletic | 15:00:003:00 pm | Division 2 | 2020-21 | Doctor Pit Park | | |
| 2021-02-06 15:00:0006/02/21 | Redcar Athletic v Crook Town | 15:00:003:00 pm | Division 2 | 2020-21 | Green Lane | | |
| 2021-02-13 15:00:0013/02/21 | Newcastle University v Redcar Athletic | 15:00:003:00 pm | Division 2 | 2020-21 | Kimberley Park | | |
| 2021-02-20 15:00:0020/02/21 | West Allotment Celtic v Redcar Athletic | 15:00:003:00 pm | Division 2 | 2020-21 | Sam Smith's Park | | |
| 2021-02-27 15:00:0027/02/21 | Durham City v Redcar Athletic | 15:00:003:00 pm | Division 2 | 2020-21 | Hall Lane | | |
| 2021-03-06 15:00:0006/03/21 | Jarrow v Redcar Athletic | 15:00:003:00 pm | Division 2 | 2020-21 | Perth Green CA | | |
| 2021-03-13 15:00:0013/03/21 | Ryton & Crawcrook Albion v Redcar Athletic | 15:00:003:00 pm | Division 2 | 2020-21 | Kingsley Park | | |
| 2021-03-20 15:00:0020/03/21 | Redcar Athletic v Billingham Synthonia | 15:00:003:00 pm | Division 2 | 2020-21 | Green Lane | | |
| 2021-03-27 15:00:0027/03/21 | Washington v Redcar Athletic | 15:00:003:00 pm | Division 2 | 2020-21 | Ford Hub Sports Complex | | |
| 2021-03-31 19:30:0031/03/21 | Redcar Athletic v Ryton & Crawcrook Albion | 19:30:007:30 pm | Division 2 | 2020-21 | Green Lane | | |
| 2021-04-03 15:00:0003/04/21 | Redcar Athletic v Chester-le-Street | 15:00:003:00 pm | Division 2 | 2020-21 | Green Lane | | |
| 2021-04-07 19:30:0007/04/21 | Redcar Athletic v Brandon United | 19:30:007:30 pm | Division 2 | 2020-21 | Green Lane | | |
| 2021-04-10 15:00:0010/04/21 | Brandon United v Redcar Athletic | 15:00:003:00 pm | Division 2 | 2020-21 | Welfare Ground | | |
| 2021-04-13 19:30:0013/04/21 | Tow Law Town v Redcar Athletic | 19:30:007:30 pm | Division 2 | 2020-21 | Ironworks Road | | |
| 2021-04-17 15:00:0017/04/21 | Redcar Athletic v Carlisle City | 15:00:003:00 pm | Division 2 | 2020-21 | Green Lane | | |
| 2021-04-24 15:00:0024/04/21 | Heaton Stannington v Redcar Athletic | 15:00:003:00 pm | Division 2 | 2020-21 | Grounsell Park | | |
| 2021-05-01 15:00:0001/05/21 | Billingham Synthonia v Redcar Athletic | 15:00:003:00 pm | Division 2 | 2020-21 | Norton (Teesside) Sports Complex | | |
| 2021-05-08 15:00:0008/05/21 | Redcar Athletic v Washington | 15:00:003:00 pm | Division 2 | 2020-21 | Green Lane | | |
| 2021-05-15 15:00:0015/05/21 | Chester-le-Street v Redcar Athletic | 15:00:003:00 pm | Division 2 | 2020-21 | Moor Park | | |
