| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| — | 2. Liga | 1 | 27 | 0 | 0 | — | 6 |
| 2016/2017 | Ekstraklasa | 3 | 50 | 0 | 0 | — | — |
| 2017/2018 | 1. Liga | 28 | 2428 | 6 | 0 | 0.22 | — |
| 2017/2018 | 2. Liga | 11 | 820 | 5 | 0 | 0.55 | — |
| 2018/2019 | 1. Liga | 5 | 161 | 0 | 0 | 0 | — |
| 2019/2020 | 1. Liga | 6 | 270 | 2 | 0 | 0.67 | — |
| 2020/2021 | 1. Liga | 14 | 48 | 0 | 0 | — | — |
| 2021/2022 | 1. Liga | 12 | 43 | 1 | 0 | — | — |
| 2022/2023 | 1. Liga | 28 | 1384 | 4 | 0 | 0.26 | — |
| 2023/2024 | Ekstraklasa | 27 | 1420 | 5 | 1 | 0.38 | 6.89 |
| 2024/2025 | Ekstraklasa | 6 | 39 | 0 | 0 | — | 6.7 |
| 2025/2026 | 2. Liga | 14 | 311 | 3 | 1 | 1.16 | 6.86 |
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 2026-08-03
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Pogoń Szczecin | 3 | 0 | 0 | 3 | 0 | 0 | 1 | 0 |
 Zagłębie Lubin | 3 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
 Korona Kielce | 3 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
 Raków Częstochowa | 3 | 0 | 2 | 1 | 0 | 0 | 0 | 0 |
 Lech Poznań | 2 | 2 | 0 | 0 | 0 | 0 | 1 | 0 |
 Wisła Kraków | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
 Cracovia Kraków | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Sandecja Nowy Sącz | 2 | 2 | 0 | 0 | 0 | 0 | 1 | 0 |
 Podbeskidzie | 2 | 1 | 1 | 0 | 0 | 0 | 1 | 0 |
 Katowice | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 Stal Mielec | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
 Bytovia Bytów | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Widzew Lodz | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
 Resovia Rzeszów | 2 | 1 | 1 | 0 | 0 | 0 | 1 | 0 |
 Warta Poznań | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 |
 Legia Warszawa | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Jagiellonia Białystok | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 0 |
 Arka Gdynia | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Piast Gliwice | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 |
 Nieciecza | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
The 2025/2026 2. Liga line for Artur Siemaszko: 14 appearances (311 minutes), 3 goals, 1 assist — 1.16 goal involvements per 90. GioScore's computed rating for the season averages 6.86.
2023/2024 stands as his highest-rated season (6.89, Ekstraklasa), with 2024/2025 the weakest (6.7).
