| pl | team | gms | pts | w | d | l | g+ | g- | g± |
| 1 |  Ukraine |
3 | 7 | 2 | 1 | 0 | 14 | 6 | +8 | 2 |  Croatia |
3 | 7 | 2 | 1 | 0 | 10 | 7 | +3 |
| 3 |  Poland |
3 | 3 | 1 | 0 | 2 | 5 | 8 | -3 | 4 |  Montenegro |
3 | 0 | 0 | 0 | 3 | 5 | 13 | -8 |
Teams finishing first and second advance to the Semifinals.
| date | location | wdl | match | competition |
| 15/06/2021 | Poreč |
L | Poland - Ukraine 3-5 | FU19s Futsal Week Spring Cup 2021 |
| 16/06/2021 | Poreč |
W | Poland - Montenegro 1-0 | FU19s Futsal Week Spring Cup 2021 |
| 17/06/2021 | Poreč |
L | Croatia - Poland 3-1 | FU19s Futsal Week Spring Cup 2021 |
| 19/06/2021 | Poreč |
W | Poland - Moldova 12-0 | FU19s Futsal Week Spring Cup 2021 5-8 Place |
| 20/06/2021 | Poreč |
D | Poland - Serbia 3-3 (5-4 Penalties) | FU19s Futsal Week Spring Cup 2021 5-6 Place |
Poland finish 5th in the Cup.
| Also see: |
 Squad selected for Futsal Week Spring Cup Poreč 2021 |