| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2019/2020 | National 3: Group B | 11 | 918 | 3 | 0 | 0.29 | — |
| 2021/2022 | National 3: Group G | 1 | 90 | 1 | 0 | 1 | — |
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.
Cohort: 28 National 3: Group B forwards, 2019/2020, min. 450 minutes. Computed by ranking the full league corpus, not taken from any feed.
Figures computed from the GioScore season-stats database · as of 2026-09-04
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Laval | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Épinal | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 St Maur Lusitanos | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Schiltigheim | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Beauvais | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 |
 Olympique St Quentin | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Bobigny | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Lens II | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Amiens SC II | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 0 |
 Boulogne II | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Le Touquet | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
Julien Kostrzewa finished the 2019/2020 National 3: Group B with 3 goals from 11 appearances (918 minutes), with no assists recorded — 0.29 goal involvements per 90. Measured against a cohort of 28 National 3: Group B forwards with a minimum of 450 minutes in 2019/2020, he ranked in the 59th percentile by goal involvements per 90 — above the cohort median, and 12th of 28 for goals scored.
His league career on record ran from 2019 to 2021: 2 seasons across 2 clubs.
