Home History
| Europe Friendlies | 2018/07/18 15:00 | MKS Kluczbork v Lechia Tomaszow Mazowiecki | L | 0-2 |
| Europe Friendlies | 2018/07/11 15:00 | GKS Jastrzebie v MKS Kluczbork | L | 1-0 |
| Club Friendly List | 2018/07/07 09:00 | MKS Kluczbork v Stal Brzeg | D | 0-0 |
| Poland II Liga | 2018/06/02 15:00 | Stal Stalowa Wola v MKS Kluczbork | L | 2-0 |
| Poland II Liga | 2018/05/26 15:00 | MKS Kluczbork v Blekitni Stargard | W | 2-0 |
| Poland II Liga | 2018/05/20 14:00 | Gryf Wejherowo v MKS Kluczbork | L | 3-1 |
| Poland II Liga | 2018/05/16 15:00 | Olimpia Elblag v MKS Kluczbork | W | 1-2 |
| Poland II Liga | 2018/05/13 15:00 | MKS Kluczbork v GKS Belchatow | W | 1-0 |
Away History
| Poland III Liga | 2018/06/16 15:04 | Victoria Sulejowek v Warta Sieradz | D | 2-2 |
| Poland III Liga | 2018/06/09 15:00 | Warta Sieradz v Sokol Ostroda | L | 0-2 |
| Poland III Liga | 2018/06/03 09:00 | Lechia Tomaszow Mazowiecki v Warta Sieradz | L | 2-1 |
| Poland III Liga | 2018/05/30 17:45 | Warta Sieradz v Sokol Aleksandrow | L | 0-2 |
| Poland III Liga | 2018/05/26 15:02 | Warta Sieradz v LKS Lomza | L | 0-2 |
| Poland III Liga | 2018/05/23 18:00 | Polonia Warsaw v Warta Sieradz | L | 4-1 |
| Poland III Liga | 2018/05/11 15:59 | GKS Wikielec v Warta Sieradz | L | 1-0 |
| Poland III Liga | 2018/03/31 09:04 | Warta Sieradz v MKS Elk | L | 0-3 |