| 3. Round | 19/08/2023 | FK Pardubice [Youth B] | - | FK Mladá Boleslav [Youth B] | 0:1 | ||||
| 4. Round | 26/08/2023 | FK Mladá Boleslav [Youth B] | - | FC Zlín [Youth B] | 2:3 | ||||
| 6. Round | 09/09/2023 | FK Mladá Boleslav [Youth B] | - | Vysočina Jihlava [Youth B] | 1:3 | ||||
| 8. Round | 23/09/2023 | AC Sparta Praha [Youth B] | - | FK Mladá Boleslav [Youth B] | 3:0 | ||||
| 9. Round | 30/09/2023 | FK Mladá Boleslav [Youth B] | - | Slovan Liberec [Youth B] | 1:1 | ||||
| 11. Round | 04/10/2023 | FK Mladá Boleslav [Youth B] | - | Slavia Praha [Youth B] | 1:6 |  |
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| 10. Round | 07/10/2023 | FC Zbrojovka Brno [Youth B] | - | FK Mladá Boleslav [Youth B] | 6:1 | |
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| 12. Round | 21/10/2023 | FK Frýdek-Místek [Youth B] | - | FK Mladá Boleslav [Youth B] | 1:2 |
Czech Republic