| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2016/2017 | 2. Liga | 1 | — | 0 | 0 | — | — |
| 2017/2018 | 2. Liga | 4 | 21 | 0 | 0 | — | — |
| 2018/2019 | 2. Liga | 4 | 316 | 0 | 0 | 0 | — |
| 2019/2020 | 2. Liga | 20 | 1244 | 8 | 0 | 0.58 | — |
| 2020/2021 | 1. Liga | 17 | — | 6 | 0 | — | — |
| 2021/2022 | Ekstraklasa | 28 | 1351 | 2 | 0 | 0.13 | 6.77 |
| 2022/2023 | 1. Liga | 25 | 771 | 1 | 1 | 0.23 | — |
| 2023/2024 | 1. Liga | 21 | 996 | 2 | 1 | 0.27 | — |
| 2024/2025 | 1. Liga | 10 | 325 | 0 | 1 | 0.28 | 6.7 |
| 2025/2026 | 1. Liga | 4 | 51 | 0 | 0 | — | 6.47 |
| 2025/2026 | 2. Liga | 10 | 493 | 1 | 0 | 0.18 | 6.52 |
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 2026-07-29
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Warta Poznań | 4 | 2 | 1 | 1 | 0 | 0 | 1 | 0 |
 GKS Tychy | 4 | 0 | 2 | 2 | 0 | 0 | 0 | 0 |
 Stal Rzeszów | 3 | 1 | 0 | 2 | 0 | 0 | 0 | 0 |
 Stal Mielec | 3 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
 Widzew Lodz | 3 | 0 | 1 | 2 | 0 | 0 | 0 | 0 |
 Lech Poznań | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
 Wisła Kraków | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Arka Gdynia | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 |
 Piast Gliwice | 2 | 0 | 0 | 2 | 0 | 0 | 1 | 0 |
 Nieciecza | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
 Chrobry Głogów | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
 Katowice | 2 | 1 | 0 | 1 | 1 | 0 | 0 | 0 |
 Lechia Gdańsk | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 |
 Miedź Legnica | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Legia Warszawa | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Pogoń Szczecin | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 0 |
 Jagiellonia Białystok | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Cracovia Kraków | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Zagłębie Lubin | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Pogoń Siedlce | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
In 2025/2026, Kacper Spiewak hit 1 goal over 10 2. Liga outings (493 minutes) and provided no assists — 0.18 goal involvements per 90. His average match rating for that season computes to 6.52.
At his best he averaged 6.77 in 2021/2022, Ekstraklasa; at his worst, 6.52 in 2025/2026.
