Kārlis Širjajevs
| Spēlētāja numurs | 20 |
| Pozīcija | Uzbrucējs |
| Dzimšanas dati | 20.06.2013 |
| Valsts | Latvija |
| RHC karjera | Komanda | GP | G | A | PTS | PIM | PPG | SHG | GWG | OTG |
| 2025 U13 AA: | Riga HS 2013 (RGW) | 9 | 3 | 5 | 8 | 4 | 1 | 0 | 0 | 0 |
| 2025 U12 AAA: | Riga HS 2013 (RGW) | 7 | 4 | 4 | 8 | 8 | 0 | 0 | 0 | 0 |
| 2024 U12 AA: | HS Riga 2013 (RGW) | 7 | 5 | 3 | 8 | 8 | 1 | 0 | 0 | 0 |
| 2024 U11: | HS Riga 2013 Blue (HRB) | 8 | 9 | 5 | 14 | 2 | 2 | 1 | 1 | 0 |
| 2023/SE U12: | HS Riga 2013 (RGW) | 6 | 3 | 0 | 3 | 4 | 1 | 0 | 1 | 0 |
| 2023 U11: | HS Riga 2013 (RGW) | 7 | 8 | 1 | 9 | 0 | 1 | 0 | 2 | 0 |
| 2023 U10: | HS Riga 2013 White (RGW) | 8 | 7 | 4 | 11 | 4 | 2 | 0 | 0 | 0 |
| 2022/SE U11: | HS Riga 2013 (HRB) | 6 | 4 | 3 | 7 | 0 | 0 | 0 | 1 | 0 |
| 2022 U9: | HS Riga 2013 Blue (HRB) | 7 | 6 | 4 | 10 | 10 | 0 | 2 | 1 | 0 |
| 2022 U10: | HS Rīga 2012 White (RGA) | 7 | 6 | 3 | 9 | 0 | 0 | 0 | 0 | 0 |
