| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2011/2012 | 2. Liga | 31 | 2489 | 0 | 0 | 0 | — |
| 2011/2012 | 2. Liga West | 23 | — | 0 | — | — | — |
| 2012/2013 | 2. Liga | 19 | 1378 | 0 | 0 | 0 | — |
| 2012/2013 | 2. Liga West | 19 | — | 0 | — | — | — |
| 2017/2018 | Oberliga: Nordost-Süd | 2 | — | 0 | — | — | — |
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 2026-09-07
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Bałtyk Gdynia | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 0 |
 Nielba Wagrowiec | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 0 |
 Elana Toruń | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
Over 19 2. Liga games in 2012/2013 (1,378 minutes), Piotr Mastalerz recorded no direct goal contributions.
5 league seasons (2011–2017) across 2 clubs made up his recorded career.
By competition, the recorded league record breaks down across 2 domestic leagues: 2. Liga (50 appearances) and 2. Liga West (42 appearances). Availability: 25-plus league games in 1 of the 5 campaigns on record.
