| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| — | 3. Liga | 1 | 44 | 0 | 0 | — | 5.86 |
| 2020/2021 | U19 Bundesliga | 4 | 342 | 0 | 0 | 0 | 0 |
| 2021/2022 | U19 Bundesliga | 14 | 986 | 1 | 0 | 0.09 | — |
| 2022/2023 | Ekstraklasa | 27 | 1020 | 0 | 0 | 0 | 6.72 |
| 2023/2024 | 1. Liga | 30 | 2455 | 1 | 2 | 0.11 | — |
| 2024/2025 | 1. Liga | 29 | 2447 | 2 | 1 | 0.11 | 6.61 |
| 2025/2026 | 3. Liga | 25 | 1724 | 0 | 1 | 0.05 | 6.27 |
Domestic league competitions only (SportMonks sub_type='domestic'); national-team, continental and cup competitions are excluded. Classification resolved by league id against the canonical leagues index. G+A/90 computed from minutes actually played.
Figures computed from the GioScore season-stats database · as of 2026-08-14
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Warta Poznań | 3 | 2 | 0 | 1 | 1 | 0 | 0 | 0 |
 Górnik Łęczna | 3 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
 Wisła Kraków | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
 Legia Warszawa | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 Ingolstadt | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
 Hansa Rostock | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Arka Gdynia | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
 Pogoń Siedlce | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Hoffenheim II | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
 Nieciecza | 2 | 1 | 0 | 1 | 1 | 0 | 1 | 0 |
 Wisła Płock | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
 Viktoria Köln | 2 | 2 | 0 | 0 | 0 | 0 | 1 | 0 |
 Osnabrück | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 Korona Kielce | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 Energie Cottbus | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
 Alemannia Aachen | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 Waldhof Mannheim | 2 | 1 | 0 | 1 | 0 | 0 | 1 | 0 |
 Jahn Regensburg | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
 Wehen Wiesbaden | 2 | 1 | 1 | 0 | 0 | 1 | 1 | 0 |
 Schweinfurt | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
In 2025/2026, Michael Kostka's 3. Liga contribution was creative only — 1 assist in 25 appearances, no goals (1,724 minutes) — 0.05 goal involvements per 90. His average match rating for that season computes to 6.27.
2022/2023 stands as his highest-rated season (6.72, Ekstraklasa), with 2025/2026 the weakest (6.27).
