Home History
| Poland II Liga | 2020/11/04 17:00 | GKS Katowice v Garbarnia Krakow | W | 2-1 |
| Poland II Liga | 2020/10/30 16:00 | GKS Katowice v Blekitni Stargard | W | 5-0 |
| Poland II Liga | 2020/10/24 12:15 | Skra Czestochowa v GKS Katowice | L | 1-0 |
| Poland II Liga | 2020/10/10 15:00 | Olimpia Elblag v GKS Katowice | W | 1-2 |
| Poland II Liga | 2020/10/03 17:00 | GKS Katowice v Znicz Pruszków | D | 1-1 |
| Poland II Liga | 2020/09/30 16:00 | Olimpia Grudziadz v GKS Katowice | W | 1-3 |
| Poland II Liga | 2020/09/26 16:00 | GKS Katowice v MKP Pogon Siedlce | D | 2-2 |
| Poland II Liga | 2020/09/19 16:15 | Gornik Polkowice v GKS Katowice | W | 0-2 |
Away History
| Poland II Liga | 2020/11/07 17:15 | KKS 1925 Kalisz v Hutnik Krakow | W | 4-0 |
| Poland II Liga | 2020/11/04 17:00 | Sokol Ostroda v KKS 1925 Kalisz | W | 1-4 |
| Poland II Liga | 2020/10/24 16:00 | KKS 1925 Kalisz v Stal Rzeszow | L | 0-2 |
| Poland II Liga | 2020/10/16 17:30 | Chojniczanka Chojnice v KKS 1925 Kalisz | L | 3-0 |
| Poland II Liga | 2020/10/10 16:15 | KKS 1925 Kalisz v Bytovia Bytow | W | 2-1 |
| Poland II Liga | 2020/10/04 15:00 | Motor Lublin v KKS 1925 Kalisz | W | 0-3 |
| Poland II Liga | 2020/09/30 16:00 | KKS 1925 Kalisz v Wigry Suwalki | L | 0-3 |
| Poland II Liga | 2020/09/20 10:00 | Slask Wroclaw II v KKS 1925 Kalisz | W | 0-3 |