| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| — | 3. Liga | 1 | 32 | 1 | 1 | — | 7 |
| 2015/2016 | Regionalliga: Nord | 15 | 331 | 1 | 0 | 0.27 | — |
| 2015/2016 | Regionalliga: Südwest | 15 | 329 | 1 | 0 | 0.27 | — |
| 2017/2018 | League One (England) | 9 | 407 | 0 | 0 | 0 | — |
| 2017/2018 | Regionalliga: Südwest | 20 | 1537 | 8 | 0 | 0.47 | — |
| 2017/2018 | Regionalliga: Nord | 20 | 1537 | 8 | 0 | 0.47 | — |
| 2018/2019 | League One (England) | 16 | 363 | 0 | 0 | 0 | — |
| 2018/2019 | 3. Liga | 14 | 675 | 1 | 0 | 0.13 | — |
| 2019/2020 | 3. Liga | 30 | 1751 | 6 | 1 | 0.36 | — |
| 2020/2021 | 3. Liga | 28 | 1479 | 5 | 4 | 0.55 | — |
| 2021/2022 | 3. Liga | 28 | 686 | 7 | 1 | 1.05 | — |
| 2022/2023 | 2. Bundesliga | 23 | 543 | 0 | 2 | 0.33 | 6.71 |
| 2023/2024 | 3. Liga | 37 | 2643 | 12 | 3 | 0.51 | 7.04 |
| 2024/2025 | 3. Liga | 24 | 1733 | 8 | 3 | 0.57 | 6.75 |
| 2025/2026 | 3. Liga | 31 | 2013 | 10 | 1 | 0.49 | 6.63 |
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 2026-08-15
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 1860 München | 10 | 3 | 4 | 3 | 4 | 0 | 1 | 0 |
 Viktoria Köln | 9 | 5 | 0 | 4 | 5 | 1 | 1 | 0 |
 Waldhof Mannheim | 9 | 3 | 2 | 4 | 1 | 1 | 4 | 0 |
 Verl | 9 | 3 | 2 | 4 | 1 | 0 | 2 | 0 |
 Ingolstadt | 8 | 1 | 2 | 5 | 3 | 1 | 1 | 0 |
 Hansa Rostock | 8 | 3 | 4 | 1 | 0 | 0 | 1 | 0 |
 Kaiserslautern | 8 | 2 | 3 | 3 | 0 | 0 | 2 | 0 |
 Meppen | 7 | 2 | 2 | 3 | 0 | 0 | 1 | 0 |
 MSV Duisburg | 7 | 3 | 3 | 1 | 2 | 0 | 0 | 0 |
 Wehen Wiesbaden | 7 | 3 | 1 | 3 | 2 | 0 | 0 | 0 |
 Zwickau | 7 | 5 | 1 | 1 | 2 | 1 | 0 | 0 |
 Hallescher FC | 6 | 1 | 2 | 3 | 2 | 0 | 1 | 0 |
 Unterhaching | 6 | 1 | 4 | 1 | 0 | 0 | 1 | 0 |
 Dynamo Dresden | 5 | 2 | 1 | 2 | 2 | 1 | 2 | 0 |
 Jahn Regensburg | 5 | 1 | 4 | 0 | 1 | 1 | 1 | 0 |
 Sandhausen | 5 | 2 | 1 | 2 | 2 | 0 | 1 | 0 |
 Eintracht Braunschweig | 5 | 0 | 2 | 3 | 2 | 0 | 2 | 0 |
 Preußen Münster | 5 | 0 | 3 | 2 | 0 | 0 | 2 | 0 |
 VfB Lübeck | 4 | 1 | 3 | 0 | 0 | 0 | 2 | 0 |
 Rot-Weiss Essen | 4 | 1 | 1 | 2 | 0 | 0 | 1 | 0 |
Kai Brünker's 2025/2026 3. Liga season produced 10 goals and 1 assist across 31 appearances (2,013 minutes) — 0.49 goal involvements per 90. GioScore's computed rating for the season averages 6.63.
His ratings range from 6.63 (2025/2026) up to 7.04 in 2023/2024, 3. Liga. His two latest rated seasons run 0.19 lower than the rest of his career.
