| Bulgária - Liga de Sub19 | 2021/06/26 15:00 | Lokomotiv Plovdiv Sub19 v Montana 1921 Sub19 | D | 0-0 |
| Bulgária - Liga de Sub19 | 2021/06/19 15:00 | Montana 1921 Sub19 v Septemvri Sofia Sub19 | L | 1-2 |
| Bulgária - Liga de Sub19 | 2021/06/12 15:00 | Sokol Markovo Sub19 v Montana 1921 Sub19 | L | 3-1 |
| Bulgária - Liga de Sub19 | 2021/05/22 15:00 | Montana 1921 Sub19 v CSKA Sofia Sub19 | W | 1-0 |
| Bulgária - Liga de Sub19 | 2021/05/19 14:30 | Slavia Sofia Sub19 v Montana 1921 Sub19 | L | 3-0 |
| Bulgária - Liga de Sub19 | 2021/05/15 14:30 | Montana 1921 Sub19 v Natsional Sofia U19 | D | 3-3 |
| Bulgária - Liga de Sub19 | 2021/04/27 13:30 | Montana 1921 Sub19 v Cherno More Varna Sub19 | L | 1-4 |
| Bulgária - Liga de Sub19 | 2021/04/17 13:30 | Montana 1921 Sub19 v Beroe Stara Zagora Sub19 | D | 1-1 |