| Bulgaria U19 League | 2021/06/19 15:00 | Pirin Blagoevgrad U19 v Slavia Sofia - U19 | D | 3-3 |
| Bulgaria U19 League | 2021/06/12 15:00 | Slavia Sofia - U19 v Cherno More Varna U19 | L | 0-4 |
| Bulgaria U19 League | 2021/05/22 14:30 | Neftochimic Burgas U19 v Slavia Sofia - U19 | W | 1-5 |
| Bulgaria U19 League | 2021/05/19 14:30 | Slavia Sofia - U19 v Montana 1921 U19 | W | 3-0 |
| Bulgaria U19 League | 2021/05/15 14:30 | Beroe Stara Zagora U19 v Slavia Sofia - U19 | D | 0-0 |
| Bulgaria U19 League | 2021/05/08 14:00 | Slavia Sofia - U19 v Vitosha Bistrica U19 | L | 1-2 |
| Bulgaria U19 League | 2021/04/27 13:30 | Botev Plovdiv U19 v Slavia Sofia - U19 | L | 2-0 |
| Bulgaria U19 League | 2021/03/17 13:00 | Slavia Sofia - U19 v Sokol Markovo U19 | W | 5-2 |
| Bulgaria U19 League | 2021/06/12 15:00 | Natsional Sofia U19 v Pirin Blagoevgrad U19 | W | 4-0 |
| Bulgaria U19 League | 2021/05/15 14:30 | Montana 1921 U19 v Natsional Sofia U19 | D | 3-3 |
| Bulgaria U19 League | 2021/05/08 14:00 | Natsional Sofia U19 v Beroe Stara Zagora U19 | D | 0-0 |
| Bulgaria U19 League | 2021/04/27 13:30 | Vitosha Bistrica U19 v Natsional Sofia U19 | L | 6-0 |
| Bulgaria U19 League | 2021/04/24 13:30 | Natsional Sofia U19 v Botev Plovdiv U19 | L | 1-2 |
| Bulgaria U19 League | 2021/04/17 14:30 | Natsional Sofia U19 v Hebar Pazardzhik U19 | L | 0-1 |
| Bulgaria U19 League | 2021/03/17 13:00 | Natsional Sofia U19 v Septemvri Sofia - U19 | L | 3-5 |
| Bulgaria U19 League | 2021/03/06 12:30 | Natsional Sofia U19 v CSKA Sofia U19 | L | 1-8 |