| 1 | Sun 18 Aug 2019 | 0-4 v RB Leipzig1. FC Union Berlin 0-4 RB Leipzig | German Bundesliga |
| 2 | Sat 24 Aug 2019 | 1-1 v FC AugsburgFC Augsburg 1-1 1. FC Union Berlin | German Bundesliga |
| 3 | Sat 31 Aug 2019 | 3-1 v Borussia Dortmund1. FC Union Berlin 3-1 Borussia Dortmund | German Bundesliga |
| 4 | Sat 14 Sep 2019 | 1-2 v Werder Bremen1. FC Union Berlin 1-2 Werder Bremen | German Bundesliga |
| 5 | Sat 21 Sep 2019 | 0-2 v Bayer 04 LeverkusenBayer 04 Leverkusen 2-0 1. FC Union Berlin | German Bundesliga |
| 6 | Fri 27 Sep 2019 | 1-2 v Eintracht Frankfurt1. FC Union Berlin 1-2 Eintracht Frankfurt | German Bundesliga |
| 7 | Sun 6 Oct 2019 | 0-1 v VfL WolfsburgVfL Wolfsburg 1-0 1. FC Union Berlin | German Bundesliga |
| 8 | Sat 19 Oct 2019 | 2-0 v SC Freiburg1. FC Union Berlin 2-0 SC Freiburg | German Bundesliga |
| 9 | Sat 26 Oct 2019 | 1-2 v Bayern MunichBayern Munich 2-1 1. FC Union Berlin | German Bundesliga |
| 10 | Sat 23 Nov 2019 | 2-0 v Borussia Mönchengladbach1. FC Union Berlin 2-0 Borussia Mönchengladbach | German Bundesliga |
| 11 | Fri 29 Nov 2019 | 1-2 v FC Schalke 04FC Schalke 04 2-1 1. FC Union Berlin | German Bundesliga |
| 12 | Sun 8 Dec 2019 | 2-0 v 1. FC Köln1. FC Union Berlin 2-0 1. FC Köln | German Bundesliga |
| 13 | Sat 14 Dec 2019 | 1-1 v SC Paderborn 07SC Paderborn 07 1-1 1. FC Union Berlin | German Bundesliga |
| 14 | Sun 22 Dec 2019 | 1-2 v Fortuna DüsseldorfFortuna Düsseldorf 2-1 1. FC Union Berlin | German Bundesliga |
| 15 | Sat 18 Jan 2020 | 1-3 v RB LeipzigRB Leipzig 3-1 1. FC Union Berlin | German Bundesliga |
| 16 | Sat 1 Feb 2020 | 0-5 v Borussia DortmundBorussia Dortmund 5-0 1. FC Union Berlin | German Bundesliga |
| 17 | Sat 8 Feb 2020 | 2-0 v Werder BremenWerder Bremen 0-2 1. FC Union Berlin | German Bundesliga |
| 18 | Mon 24 Feb 2020 | 2-1 v Eintracht FrankfurtEintracht Frankfurt 1-2 1. FC Union Berlin | German Bundesliga |
| 19 | Sun 1 Mar 2020 | 2-2 v VfL Wolfsburg1. FC Union Berlin 2-2 VfL Wolfsburg | German Bundesliga |
| 20 | Sat 7 Mar 2020 | 1-3 v SC FreiburgSC Freiburg 3-1 1. FC Union Berlin | German Bundesliga |
| 21 | Sat 27 Jun 2020 | 153-0 v Fortuna Düsseldorf1. FC Union Berlin 3-0 Fortuna Düsseldorf | German Bundesliga |
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