| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2015/2016 | Regionalliga: Nord | 6 | 540 | 0 | 0 | 0 | — |
| 2015/2016 | Regionalliga: Bayern | 6 | 540 | 0 | 0 | 0 | — |
| 2016/2017 | Regionalliga: Nord | 22 | 1980 | 0 | 0 | 0 | — |
| 2016/2017 | Regionalliga: Bayern | 22 | — | 0 | 0 | — | — |
| 2017/2018 | Regionalliga: Südwest | 26 | 2340 | 0 | 0 | 0 | — |
| 2017/2018 | Regionalliga: Nord | 26 | 2340 | 0 | 0 | 0 | — |
| 2018/2019 | Regionalliga: Südwest | 31 | 2771 | 0 | 0 | 0 | — |
| 2018/2019 | Regionalliga: Nord | 10 | 900 | 0 | 0 | 0 | — |
| 2019/2020 | Bundesliga | 17 | 1530 | 0 | 0 | 0 | 6.85 |
| 2020/2021 | 2. Bundesliga | 33 | 2952 | 0 | 0 | 0 | 6.99 |
| 2021/2022 | 2. Bundesliga | 28 | 2514 | 0 | 0 | 0 | 7.12 |
| 2022/2023 | 2. Bundesliga | 34 | 3060 | 0 | 0 | 0 | 7.12 |
| 2023/2024 | 2. Bundesliga | 33 | 2970 | 0 | 0 | 0 | 7.3 |
| 2024/2025 | 2. Bundesliga | 34 | 3060 | 0 | 0 | 0 | 7.4 |
| 2025/2026 | 2. Bundesliga | 32 | 2880 | 0 | 1 | 0.03 | 7.06 |
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: 10 2. Bundesliga goalkeepers, 2025/2026, 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 2026-08-26
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Kaiserslautern | 7 | 3 | 1 | 3 | 0 | 0 | 0 | 0 |
 Hannover 96 | 7 | 1 | 3 | 3 | 0 | 0 | 0 | 0 |
 Paderborn | 7 | 3 | 2 | 2 | 0 | 0 | 0 | 0 |
 Hertha BSC | 7 | 2 | 2 | 3 | 0 | 0 | 0 | 0 |
 Schalke 04 | 6 | 2 | 3 | 1 | 0 | 0 | 0 | 0 |
 SpVgg Greuther Fürth | 6 | 3 | 0 | 3 | 0 | 0 | 0 | 0 |
 Eintracht Braunschweig | 6 | 2 | 3 | 1 | 0 | 0 | 0 | 0 |
 Darmstadt 98 | 5 | 2 | 1 | 2 | 0 | 0 | 0 | 0 |
 Karlsruher SC | 5 | 1 | 4 | 0 | 0 | 0 | 0 | 0 |
 Elversberg | 5 | 0 | 3 | 2 | 0 | 0 | 0 | 0 |
 Holstein Kiel | 5 | 0 | 2 | 3 | 0 | 0 | 0 | 0 |
 Werder Bremen | 4 | 1 | 0 | 3 | 0 | 0 | 0 | 0 |
 Nürnberg | 4 | 1 | 2 | 1 | 0 | 0 | 0 | 0 |
 VfL Bochum 1848 | 4 | 3 | 0 | 1 | 0 | 0 | 1 | 0 |
 Hamburger SV | 4 | 1 | 1 | 2 | 0 | 0 | 1 | 0 |
 FC Köln | 4 | 1 | 3 | 0 | 0 | 0 | 0 | 0 |
 Magdeburg | 4 | 1 | 0 | 3 | 0 | 0 | 0 | 0 |
 Preußen Münster | 4 | 2 | 1 | 1 | 0 | 0 | 0 | 0 |
 Borussia Dortmund | 3 | 0 | 0 | 3 | 0 | 0 | 0 | 0 |
 Dynamo Dresden | 3 | 0 | 1 | 2 | 0 | 0 | 1 | 0 |
Florian Kastenmeier featured 32 times in the 2025/2026 2. Bundesliga (2,880 minutes). His average match rating for that season computes to 7.06. Within 10 2. Bundesliga goalkeepers with 450+ minutes in 2025/2026, he places in the top 11% by match rating; on goals he ranks 1st of 10.
His best-rated season remains 2024/2025 (7.4, 2. Bundesliga); his lowest was 2019/2020 (6.85). Compared with his earlier career average, the last two rated seasons are up by 0.15.
