| Poland Junior Champs | 2019/11/13 15:30 | Jedynka Jaworzno U20 v GKS Katowice U20 | W | 2-3 |
| Poland Junior Champs | 2020/01/13 14:30 | BBTS Bielsko Biala U20 v GKS Katowice U20 | L | 3-0 |
| Poland Junior Champs | 2019/12/04 16:00 | GKS Katowice U20 v Aluron Virtu Warta Zawiercie U20 | W | 3-2 |
| Poland Junior Champs | 2019/11/27 15:30 | MOSiR Zabrze U20 v GKS Katowice U20 | W | 0-3 |
| Poland Junior Champs | 2019/11/13 15:30 | Jedynka Jaworzno U20 v GKS Katowice U20 | W | 2-3 |
| Poland Junior Champs | 2019/10/23 15:00 | GKS Katowice U20 v MOSiR Zabrze U20 | W | 3-0 |
| Poland Junior Champs | 2019/03/13 17:30 | Gliwice U20 v GKS Katowice U20 | W | 0-3 |
| Poland Junior Champs | 2019/02/27 15:30 | BBTS Bielsko Biala U20 v GKS Katowice U20 | L | 3-0 |
| Poland Junior Champs | 2019/02/06 17:30 | Gliwice U20 v GKS Katowice U20 | W | 0-3 |
| Poland Junior Champs | 2020/01/13 16:30 | TS Volley Rybnik U20 v Jedynka Jaworzno U20 | W | 1-3 |
| Poland Junior Champs | 2019/12/04 15:30 | Jedynka Jaworzno U20 v MOSiR Zabrze U20 | W | 3-0 |
| Poland Junior Champs | 2019/11/13 15:30 | Jedynka Jaworzno U20 v GKS Katowice U20 | L | 2-3 |
| Poland Junior Champs | 2019/11/06 15:30 | MOSiR Zabrze U20 v Jedynka Jaworzno U20 | W | 0-3 |
| Poland Junior Champs | 2019/10/23 14:30 | Jedynka Jaworzno U20 v Aluron Virtu Warta Zawiercie U20 | L | 0-3 |