| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| — | Ekstraklasa | 1 | — | 0 | 0 | — | 0 |
| 2019/2020 | 1. Liga | 6 | 540 | 0 | 0 | 0 | — |
| 2020/2021 | Ekstraklasa | 27 | 2384 | 0 | 0 | 0 | — |
| 2021/2022 | Ekstraklasa | 14 | 1260 | 0 | 0 | 0 | 6.89 |
| 2022/2023 | Ekstraklasa | 31 | 2790 | 0 | 0 | 0 | 7.02 |
| 2023/2024 | Regionalliga: West | 3 | 270 | 0 | 0 | 0 | — |
| 2024/2025 | Ligat ha'Al | 13 | 1170 | 0 | 0 | 0 | 6.85 |
| 2025/2026 | Ligat ha'Al | 32 | 2836 | 0 | 0 | 0 | 6.67 |
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 2026-08-02
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 FC Utrecht | 4 | 1 | 1 | 2 | 0 | 0 | 0 | 0 |
 PEC Zwolle | 4 | 0 | 2 | 2 | 0 | 0 | 0 | 0 |
 SC Heerenveen | 4 | 2 | 0 | 2 | 0 | 0 | 0 | 0 |
 Maccabi Netanya | 4 | 0 | 2 | 2 | 0 | 0 | 1 | 0 |
 Ironi Tiberias | 4 | 1 | 2 | 1 | 0 | 0 | 0 | 0 |
 Hapoel Tel Aviv | 4 | 0 | 0 | 4 | 0 | 0 | 0 | 0 |
 Maccabi Bnei Raina | 4 | 2 | 2 | 0 | 0 | 0 | 0 | 0 |
 Vitesse | 3 | 2 | 0 | 1 | 0 | 0 | 0 | 0 |
 Maccabi Haifa | 3 | 1 | 0 | 2 | 0 | 0 | 0 | 0 |
 Ajax | 3 | 0 | 0 | 3 | 0 | 0 | 0 | 0 |
 Willem II | 3 | 0 | 1 | 2 | 0 | 0 | 0 | 0 |
 PSV | 3 | 0 | 0 | 3 | 0 | 0 | 0 | 0 |
 ADO Den Haag | 3 | 1 | 2 | 0 | 0 | 0 | 0 | 0 |
 Excelsior | 3 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
 VVV-Venlo | 3 | 0 | 1 | 2 | 0 | 0 | 0 | 0 |
 Hapoel Jerusalem | 3 | 0 | 1 | 2 | 0 | 0 | 0 | 0 |
 Ironi Kiryat Shmona | 3 | 2 | 0 | 1 | 0 | 0 | 0 | 0 |
 Bnei Sakhnin | 3 | 0 | 1 | 2 | 0 | 0 | 0 | 0 |
 AZ | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
 Schalke 04 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
Player stats against each opponent national team
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Senegal U20 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Colombia U20 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Tahiti U20 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
32 appearances (2,836 minutes) was Karol Niemczycki's tally in the 2025/2026 Ligat ha'Al. That season graded out at an average match rating of 6.67.
Season ratings peak at 7.02 in 2022/2023, Ekstraklasa and bottom out at 6.67 in 2025/2026. His last two rated seasons average 0.2 below his earlier career level.
