| 1 | Thu 22 Aug | 192-1 v HäckenHäcken 1-2 1 FC Heidenheim | UEFA Europa Conference League Play-off |
| 2 | Sun 25 Aug | 192-0 v FC St PauliFC St Pauli 0-2 1 FC Heidenheim | German Bundesliga |
| 3 | Thu 29 Aug | 193-2 v Häcken1 FC Heidenheim 3-2 Häcken | UEFA Europa Conference League Play-off |
| 4 | Sun 1 Sep | 194-0 v FC Augsburg1 FC Heidenheim 4-0 FC Augsburg | German Bundesliga |
| 5 | Fri 13 Sep | 192-4 v Borussia DortmundBorussia Dortmund 4-2 1 FC Heidenheim | German Bundesliga |
| 6 | Sat 21 Sep | 190-3 v SC Freiburg1 FC Heidenheim 0-3 SC Freiburg | German Bundesliga |
| 7 | Sat 28 Sep | 192-0 v Mainz 05Mainz 05 0-2 1 FC Heidenheim | German Bundesliga |
| 8 | Thu 3 Oct | 192-1 v Olimpija Ljubljana1 FC Heidenheim 2-1 Olimpija Ljubljana | UEFA Europa Conference League Matchday 1 |
| 9 | Sun 6 Oct | 19 0-1 v RB Leipzig1 FC Heidenheim 0-1 RB Leipzig | German Bundesliga |
| 10 | Sat 19 Oct | 192-3 v Borussia MönchengladbachBorussia Mönchengladbach 3-2 1 FC Heidenheim | German Bundesliga |
| 11 | Thu 24 Oct | 191-0 v PafosPafos 0-1 1 FC Heidenheim | UEFA Europa Conference League Matchday 2 |
| 12 | Sun 27 Oct | 190-0 v 1899 Hoffenheim1 FC Heidenheim 0-0 1899 Hoffenheim | German Bundesliga |
| 13 | Sat 2 Nov | 190-1 v Holstein KielHolstein Kiel 1-0 1 FC Heidenheim | German Bundesliga |
| 14 | Sun 10 Nov | 19 1-3 v VfL Wolfsburg1 FC Heidenheim 1-3 VfL Wolfsburg | German Bundesliga |
| 15 | Sat 23 Nov | 192-5 v Bayer 04 LeverkusenBayer 04 Leverkusen 5-2 1 FC Heidenheim | German Bundesliga |
| 16 | Sun 1 Dec | 190-4 v Eintracht Frankfurt1 FC Heidenheim 0-4 Eintracht Frankfurt | German Bundesliga |
| 17 | Sat 7 Dec | 192-4 v Bayern MunichBayern Munich 4-2 1 FC Heidenheim | German Bundesliga |
| 18 | Thu 12 Dec | 191-3 v İstanbul Başakşehirİstanbul Başakşehir 3-1 1 FC Heidenheim | UEFA Europa Conference League Matchday 5 |
| 19 | Sun 15 Dec | 191-3 v VfB Stuttgart1 FC Heidenheim 1-3 VfB Stuttgart | German Bundesliga |
| 20 | Sun 22 Dec | 190-2 v VfL BochumVfL Bochum 2-0 1 FC Heidenheim | German Bundesliga |
| 21 | Sat 11 Jan | 192-0 v 1 FC Union Berlin1 FC Heidenheim 2-0 1 FC Union Berlin | German Bundesliga |
| 22 | Wed 15 Jan | 193-3 v Werder BremenWerder Bremen 3-3 1 FC Heidenheim | German Bundesliga |
| 23 | Sat 25 Jan | 191-2 v FC AugsburgFC Augsburg 2-1 1 FC Heidenheim | German Bundesliga |
| 24 | Sat 1 Feb | 19 1-2 v Borussia Dortmund1 FC Heidenheim 1-2 Borussia Dortmund | German Bundesliga |
| 25 | Sat 8 Feb | 190-1 v SC FreiburgSC Freiburg 1-0 1 FC Heidenheim | German Bundesliga |
| 26 | Sun 16 Feb | 190-2 v Mainz 051 FC Heidenheim 0-2 Mainz 05 | German Bundesliga |
| 27 | Thu 20 Feb | 19 1-3 v FC Copenhagen1 FC Heidenheim 1-3 FC Copenhagen | UEFA Europa Conference League Knockout Round |
| 28 | Sun 23 Feb | 192-2 v RB LeipzigRB Leipzig 2-2 1 FC Heidenheim | German Bundesliga |
| 29 | Sat 1 Mar | 190-3 v Borussia Mönchengladbach1 FC Heidenheim 0-3 Borussia Mönchengladbach | German Bundesliga |
| 30 | Sat 29 Mar | 191-0 v VfL WolfsburgVfL Wolfsburg 0-1 1 FC Heidenheim | German Bundesliga |
| 31 | Sun 13 Apr | 190-3 v Eintracht FrankfurtEintracht Frankfurt 3-0 1 FC Heidenheim | German Bundesliga |
| 32 | Sat 19 Apr | 190-4 v Bayern Munich1 FC Heidenheim 0-4 Bayern Munich | German Bundesliga |
| 33 | Fri 25 Apr | 191-0 v VfB StuttgartVfB Stuttgart 0-1 1 FC Heidenheim | German Bundesliga |
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