| Poland 1 Liga | 2018/11/08 17:22 | Kluczbork v KPS Siedlce | W | 2-3 |
| Poland 1 Liga | 2019/01/08 17:30 | Slepsk Suwalki v KPS Siedlce | L | 3-2 |
| Club Friendlies | 2018/12/29 09:00 | KPS Siedlce v Camper Wyszkow | W | 3-0 |
| Poland Cup | 2018/12/20 17:00 | KPS Siedlce v Slepsk Suwalki | L | 0-3 |
| Poland 1 Liga | 2018/12/15 13:00 | AGH Krakow v KPS Siedlce | W | 1-3 |
| Poland 1 Liga | 2018/12/05 17:30 | KPS Siedlce v Lechia Tomaszow Mazowiecki | L | 1-3 |
| Poland Cup | 2018/11/21 18:00 | KKS Kozienice v KPS Siedlce | W | 0-3 |
| Poland 1 Liga | 2018/11/08 17:22 | Kluczbork v KPS Siedlce | W | 2-3 |
| Poland 1 Liga | 2018/10/10 16:00 | Stal Nysa v KPS Siedlce | L | 3-0 |
| Poland 1 Liga | 2019/01/10 17:30 | Kluczbork v Stal Nysa | W | 3-2 |
| Poland 1 Liga | 2019/01/05 16:00 | AGH Krakow v Kluczbork | W | 1-3 |
| Poland 1 Liga | 2018/11/17 17:00 | Gwardia Wroclaw v Kluczbork | L | 3-0 |
| Poland 1 Liga | 2018/11/08 17:22 | Kluczbork v KPS Siedlce | L | 2-3 |
| Club Friendlies | 2018/09/21 15:00 | Norwid Czestochowa v Kluczbork | L | 3-2 |
| Club Friendlies | 2018/09/16 13:00 | Dafi Spolem Kielce v Kluczbork | W | 2-3 |
| Club Friendlies | 2018/09/09 11:30 | Olimpia Sulecin v Kluczbork | W | 0-3 |
| Club Friendlies | 2018/09/08 16:30 | Krispol Wrzesnia v Kluczbork | W | 1-3 |