| agost del 202320 d’ag. |  Bundesliga | Union Berlin 4–1 FSV Mainz 05Regular Season - 1 | V |
| 26 d’ag. | Bundesliga | SV Darmstadt 98 1–4Union BerlinRegular Season - 2 | V |
| setembre del 202303 de set. | Bundesliga | Union Berlin0–3 RB LeipzigRegular Season - 3 | D |
| 16 de set. | Bundesliga | VfL Wolfsburg 2–1Union BerlinRegular Season - 4 | D |
| 20 de set. |  Champions League | Real Madrid 1–0Union BerlinGroup C - 1 | D |
| 23 de set. | Bundesliga | Union Berlin0–2 1899 HoffenheimRegular Season - 5 | D |
| 30 de set. | Bundesliga | 1. FC Heidenheim 1–0Union BerlinRegular Season - 6 | D |
| octubre del 202303 d’oct. | Champions League | Union Berlin2–3 SC BragaGroup C - 2 | D |
| 07 d’oct. | Bundesliga | Borussia Dortmund 4–2Union BerlinRegular Season - 7 | D |
| 21 d’oct. | Bundesliga | Union Berlin0–3 VfB StuttgartRegular Season - 8 | D |
| 24 d’oct. | Champions League | Union Berlin0–1 NapoliGroup C - 3 | D |
| 28 d’oct. | Bundesliga | Werder Bremen 2–0Union BerlinRegular Season - 9 | D |
| novembre del 202304 de nov. | Bundesliga | Union Berlin0–3 Eintracht FrankfurtRegular Season - 10 | D |
| 08 de nov. | Champions League | Napoli1–1Union BerlinGroup C - 4 | E |
| 12 de nov. | Bundesliga | Bayer Leverkusen 4–0Union BerlinRegular Season - 11 | D |
| 25 de nov. | Bundesliga | Union Berlin1–1 FC AugsburgRegular Season - 12 | E |
| 29 de nov. | Champions League | SC Braga1–1Union BerlinGroup C - 5 | E |
| desembre del 202309 de des. | Bundesliga | Union Berlin3–1 Borussia MönchengladbachRegular Season - 14 | V |
| 12 de des. | Champions League | Union Berlin2–3Real MadridGroup C - 6 | D |
| 16 de des. | Bundesliga | VfL Bochum 3–0Union BerlinRegular Season - 15 | D |
| 20 de des. | Bundesliga | Union Berlin2–0 1. FC KölnRegular Season - 16 | V |
| gener del 202413 de gen. | Bundesliga | SC Freiburg 0–0Union BerlinRegular Season - 17 | E |
| 24 de gen. | Bundesliga | Bayern München 1–0Union BerlinRegular Season - 13 | D |
| 28 de gen. | Bundesliga | Union Berlin1–0SV Darmstadt 98Regular Season - 19 | V |
| febrer del 202404 de febr. | Bundesliga | RB Leipzig2–0Union BerlinRegular Season - 20 | D |
| 07 de febr. | Bundesliga | FSV Mainz 051–1Union BerlinRegular Season - 18 | E |
| 10 de febr. | Bundesliga | Union Berlin1–0VfL WolfsburgRegular Season - 21 | V |
| 17 de febr. | Bundesliga | 1899 Hoffenheim0–1Union BerlinRegular Season - 22 | V |
| 24 de febr. | Bundesliga | Union Berlin2–21. FC HeidenheimRegular Season - 23 | E |
| març del 202402 de març | Bundesliga | Union Berlin0–2Borussia DortmundRegular Season - 24 | D |
| 08 de març | Bundesliga | VfB Stuttgart2–0Union BerlinRegular Season - 25 | D |
| 16 de març | Bundesliga | Union Berlin2–1Werder BremenRegular Season - 26 | V |
| 30 de març | Bundesliga | Eintracht Frankfurt0–0Union BerlinRegular Season - 27 | E |
| abril del 202406 d’abr. | Bundesliga | Union Berlin0–1Bayer LeverkusenRegular Season - 28 | D |
| 12 d’abr. | Bundesliga | FC Augsburg2–0Union BerlinRegular Season - 29 | D |
| 20 d’abr. | Bundesliga | Union Berlin1–5Bayern MünchenRegular Season - 30 | D |
| 28 d’abr. | Bundesliga | Borussia Mönchengladbach0–0Union BerlinRegular Season - 31 | E |
| maig del 202405 de maig | Bundesliga | Union Berlin3–4VfL BochumRegular Season - 32 | D |
| 11 de maig | Bundesliga | 1. FC Köln3–2Union BerlinRegular Season - 33 | D |
| 18 de maig | Bundesliga | Union Berlin2–1SC FreiburgRegular Season - 34 | V |
