Head to Head
| Poland III Liga | 2021/05/22 15:00 | KSZO Ostrowiec v Siarka Tarnobrzeg | L | 1-0 |
| Poland III Liga | 2020/10/24 12:00 | Siarka Tarnobrzeg v KSZO Ostrowiec | D | 2-2 |
| Poland III Liga | 2019/09/20 17:29 | KSZO Ostrowiec v Siarka Tarnobrzeg | D | 0-0 |
| Club Friendly List | 2018/02/17 10:00 | KSZO Ostrowiec v Siarka Tarnobrzeg | L | 2-0 |
Home History
| Poland III Liga | 2021/08/21 15:00 | Siarka Tarnobrzeg v Czarni Polaniec | W | 3-1 |
| Poland III Liga | 2021/08/18 15:00 | Tomasovia Tomaszów v Siarka Tarnobrzeg | W | 2-3 |
| Poland III Liga | 2021/08/14 15:00 | Siarka Tarnobrzeg v Sokol Sieniawa | W | 5-1 |
| Poland III Liga | 2021/08/08 15:00 | Siarka Tarnobrzeg v Wisloka Debica | W | 3-0 |
| Europe Friendlies | 2021/07/24 08:30 | Stal Rzeszow v Siarka Tarnobrzeg | L | 3-1 |
| Europe Friendlies | 2021/07/11 09:00 | Motor Lublin v Siarka Tarnobrzeg | L | 2-0 |
| Europe Friendlies | 2021/07/07 08:32 | Resovia Rzeszow v Siarka Tarnobrzeg | L | 3-1 |
| Poland III Liga | 2021/06/20 15:30 | Siarka Tarnobrzeg v Chelmianka Chelm | L | 0-2 |
Away History
| Poland III Liga | 2021/08/22 15:00 | Orleta Radzyn Podlaski v KSZO Ostrowiec | D | 0-0 |
| Poland III Liga | 2021/08/18 15:00 | KSZO Ostrowiec v Cracovia Krakow II | L | 0-1 |
| Poland III Liga | 2021/08/15 15:00 | LKS Lagow v KSZO Ostrowiec | L | 2-1 |
| Poland III Liga | 2021/08/07 15:00 | KSZO Ostrowiec v Chelmianka Chelm | D | 1-1 |
| Europe Friendlies | 2021/07/22 16:00 | KSZO Ostrowiec v Hapoel Jerusalem FC | D | 0-0 |
| Europe Friendlies | 2021/07/16 16:00 | KSZO Ostrowiec v Lechia Tomaszow Mazowiecki | D | 3-3 |
| Poland III Liga | 2021/06/19 10:00 | Wisla Pulawy v KSZO Ostrowiec | L | 7-1 |
| Poland III Liga | 2021/06/12 15:30 | KSZO Ostrowiec v LKS Lagow | D | 1-1 |