| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2018/2019 | U19 Bundesliga | 26 | 2340 | 1 | 0 | 0.04 | — |
| 2019/2020 | 2. Liga | 22 | 1750 | 1 | 3 | 0.21 | — |
| 2020/2021 | 2. Liga | 24 | 1891 | 5 | 1 | 0.29 | 7.75 |
| 2021/2022 | Admiral Bundesliga | 24 | 1901 | 0 | 0 | 0 | 6.99 |
| 2021/2022 | 2. Liga | 1 | 90 | 0 | 0 | 0 | — |
| 2022/2023 | Admiral Bundesliga | 1 | 72 | 0 | 0 | — | 7.04 |
| 2022/2023 | Regionalliga: Mitte | 3 | 270 | 0 | 0 | 0 | — |
| 2025/2026 | 3. Liga | 17 | 791 | 0 | 0 | 0 | 6.27 |
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: 132 3. Liga defenders, 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 2026-09-02
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Jahn Regensburg | 3 | 2 | 1 | 0 | 0 | 0 | 0 | 0 |
 Elversberg | 3 | 1 | 1 | 1 | 0 | 0 | 1 | 0 |
 Düren Merzenich | 3 | 0 | 2 | 1 | 0 | 0 | 1 | 0 |
 Wuppertaler SV | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
 Fortuna Köln | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Schalke 04 II | 2 | 0 | 1 | 1 | 0 | 0 | 1 | 0 |
 MSV Duisburg | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
 Alemannia Aachen | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Waldhof Mannheim | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
 Wehen Wiesbaden | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
 Köln II | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 Borussia Mönchengladbach II | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
 WSG Tirol | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 FC Gütersloh | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
 Galatasaray | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Salzburg | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 1860 München | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Ingolstadt | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Hansa Rostock | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Saarbrücken | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
Jan Boller went through 17 3. Liga appearances in 2025/2026 (791 minutes) without a goal or an assist. Per-match rating over the season: 6.27. Against a 132-strong pool of 3. Liga defenders (2025/2026, min. 450 minutes), his match rating places in the 29th percentile; on goals he ranks 79th of 132.
His recorded league career runs from 2018 to 2025: 8 seasons across 8 clubs. 2020/2021 stands as his highest-rated season (7.75, 2. Liga), with 2025/2026 the weakest (6.27).
