| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| — | 1. Liga | 1 | 31 | 0 | 0 | — | 7 |
| 2016/2017 | 1. Liga | 3 | — | 0 | 0 | — | — |
| 2018/2019 | 1. Liga | 19 | 1375 | 7 | 1 | 0.52 | — |
| 2019/2020 | Ekstraklasa | 5 | 49 | 0 | 0 | — | — |
| 2019/2020 | 2. Liga | 15 | 1086 | 5 | 0 | 0.41 | — |
| 2020/2021 | 1. Liga | 5 | 315 | 10 | 0 | 2.86 | — |
| 2021/2022 | 1. Liga | 7 | 66 | 3 | 0 | — | — |
| 2022/2023 | Ekstraklasa | 31 | 1434 | 1 | 1 | 0.13 | 6.98 |
| 2023/2024 | Ekstraklasa | 23 | 1364 | 1 | 0 | 0.07 | 7.05 |
| 2024/2025 | 1. Liga | 20 | 1254 | 2 | 1 | 0.22 | 6.64 |
| 2025/2026 | 1. Liga | 19 | 1143 | 0 | 2 | 0.16 | 6.4 |
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 2026-08-04
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Wisła Kraków | 3 | 2 | 0 | 1 | 1 | 0 | 1 | 0 |
 Legia Warszawa | 3 | 0 | 1 | 2 | 1 | 0 | 1 | 0 |
 Pogoń Siedlce | 3 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
 Chrobry Głogów | 3 | 1 | 2 | 0 | 0 | 1 | 2 | 0 |
 Śląsk Wrocław | 3 | 1 | 0 | 2 | 0 | 0 | 1 | 0 |
 Widzew Lodz | 3 | 1 | 0 | 2 | 0 | 0 | 0 | 0 |
 Warta Poznań | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
 Miedź Legnica | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
 Radomiak Radom | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
 Raków Częstochowa | 2 | 0 | 2 | 0 | 0 | 0 | 1 | 0 |
 Polonia Warszawa | 2 | 0 | 1 | 1 | 0 | 0 | 1 | 0 |
 Grün-Weiß Brieselang | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Stal Mielec | 2 | 1 | 0 | 1 | 0 | 0 | 1 | 0 |
 Puszcza Niepołomice | 2 | 1 | 1 | 0 | 0 | 0 | 2 | 0 |
 Lechia Gdańsk | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Górnik Łęczna | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 0 |
 Lech Poznań | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Jagiellonia Białystok | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 0 |
 Zagłębie Lubin | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 0 |
 Piast Gliwice | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
In 2025/2026, Juliusz Letniowski's 1. Liga contribution was creative only — 2 assists in 19 appearances, no goals (1,143 minutes) — 0.16 goal involvements per 90. His average match rating for that season computes to 6.4.
His best-rated season remains 2023/2024 (7.05, Ekstraklasa); his lowest was 2025/2026 (6.4). His last two rated seasons average 0.5 below his earlier career level.
