| 1 | Sat 21 Sep | 390-3 v SC Freiburg1 FC Heidenheim 0-3 SC Freiburg | German Bundesliga |
| 2 | Sat 28 Sep | 39 2-0 v Mainz 05Mainz 05 0-2 1 FC Heidenheim | German Bundesliga |
| 3 | Thu 3 Oct | 392-1 v Olimpija Ljubljana1 FC Heidenheim 2-1 Olimpija Ljubljana | UEFA Europa Conference League Matchday 1 |
| 4 | Thu 24 Oct | 39 1-0 v PafosPafos 0-1 1 FC Heidenheim | UEFA Europa Conference League Matchday 2 |
| 5 | Sun 27 Oct | 390-0 v 1899 Hoffenheim1 FC Heidenheim 0-0 1899 Hoffenheim | German Bundesliga |
| 6 | Sat 2 Nov | 390-1 v Holstein KielHolstein Kiel 1-0 1 FC Heidenheim | German Bundesliga |
| 7 | Sun 10 Nov | 39 1-3 v VfL Wolfsburg1 FC Heidenheim 1-3 VfL Wolfsburg | German Bundesliga |
| 8 | Sat 23 Nov | 392-5 v Bayer 04 LeverkusenBayer 04 Leverkusen 5-2 1 FC Heidenheim | German Bundesliga |
| 9 | Thu 28 Nov | 390-2 v Chelsea1 FC Heidenheim 0-2 Chelsea | UEFA Europa Conference League Matchday 4 |
| 10 | Sun 1 Dec | 390-4 v Eintracht Frankfurt1 FC Heidenheim 0-4 Eintracht Frankfurt | German Bundesliga |
| 11 | Sat 7 Dec | 392-4 v Bayern MunichBayern Munich 4-2 1 FC Heidenheim | German Bundesliga |
| 12 | Thu 12 Dec | 391-3 v İstanbul Başakşehirİstanbul Başakşehir 3-1 1 FC Heidenheim | UEFA Europa Conference League Matchday 5 |
| 13 | Sun 15 Dec | 39 1-3 v VfB Stuttgart1 FC Heidenheim 1-3 VfB Stuttgart | German Bundesliga |
| 14 | Thu 19 Dec | 391-1 v St Gallen1 FC Heidenheim 1-1 St Gallen | UEFA Europa Conference League Matchday 6 |
| 15 | Sun 22 Dec | 390-2 v VfL BochumVfL Bochum 2-0 1 FC Heidenheim | German Bundesliga |
| 16 | Sat 11 Jan | 392-0 v 1 FC Union Berlin1 FC Heidenheim 2-0 1 FC Union Berlin | German Bundesliga |
| 17 | Wed 15 Jan | 393-3 v Werder BremenWerder Bremen 3-3 1 FC Heidenheim | German Bundesliga |
| 18 | Sun 9 Mar | 391-1 v 1899 Hoffenheim1899 Hoffenheim 1-1 1 FC Heidenheim | German Bundesliga |
| 19 | Sun 16 Mar | 393-1 v Holstein Kiel1 FC Heidenheim 3-1 Holstein Kiel | German Bundesliga |
| 20 | Sat 29 Mar | 39 1-0 v VfL WolfsburgVfL Wolfsburg 0-1 1 FC Heidenheim | German Bundesliga |
| 21 | Sat 5 Apr | 390-1 v Bayer 04 Leverkusen1 FC Heidenheim 0-1 Bayer 04 Leverkusen | German Bundesliga |
| 22 | Sun 13 Apr | 39 0-3 v Eintracht FrankfurtEintracht Frankfurt 3-0 1 FC Heidenheim | German Bundesliga |
| 23 | Sat 19 Apr | 39 0-4 v Bayern Munich1 FC Heidenheim 0-4 Bayern Munich | German Bundesliga |
| 24 | Fri 25 Apr | 39 1-0 v VfB StuttgartVfB Stuttgart 0-1 1 FC Heidenheim | German Bundesliga |
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