| 2. Round | 27/11/2020 | SC East Bengal | - | ATK Mohun Bagan FC | 0:2 | ||||
| 4. Round | 07/12/2020 | Jamshedpur FC | - | ATK Mohun Bagan FC | 2:1 | ||||
| 5. Round | 11/12/2020 | ATK Mohun Bagan FC | - | Hyderabad FC | 1:1 |  |
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| 14. Round | 21/01/2021 | ATK Mohun Bagan FC | - | Chennaiyin FC | 1:0 | |
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| 15. Round | 26/01/2021 | NorthEast United FC | - | ATK Mohun Bagan FC | 2:1 | ||||
| 16. Round | 31/01/2021 | ATK Mohun Bagan FC | - | Kerala Blasters | 3:2 |
India