| 1 | Sat 5 Oct 2019 | 8 2-1 v SC Paderborn 07SC Paderborn 07 1-2 Mainz 05 | German Bundesliga |
| 2 | Sat 19 Oct 2019 | 80-1 v Fortuna DüsseldorfFortuna Düsseldorf 1-0 Mainz 05 | German Bundesliga |
| 3 | Fri 25 Oct 2019 | 83-1 v 1. FC KölnMainz 05 3-1 1. FC Köln | German Bundesliga |
| 4 | Sat 2 Nov 2019 | 80-8 v RB LeipzigRB Leipzig 8-0 Mainz 05 | German Bundesliga |
| 5 | Sat 9 Nov 2019 | 82-3 v 1. FC Union BerlinMainz 05 2-3 1. FC Union Berlin | German Bundesliga |
| 6 | Sun 24 Nov 2019 | 85-1 v 1899 Hoffenheim1899 Hoffenheim 1-5 Mainz 05 | German Bundesliga |
| 7 | Mon 2 Dec 2019 | 82-1 v Eintracht FrankfurtMainz 05 2-1 Eintracht Frankfurt | German Bundesliga |
| 8 | Sat 7 Dec 2019 | 81-2 v FC AugsburgFC Augsburg 2-1 Mainz 05 | German Bundesliga |
| 9 | Sat 14 Dec 2019 | 80-4 v Borussia DortmundMainz 05 0-4 Borussia Dortmund | German Bundesliga |
| 10 | Tue 17 Dec 2019 | 85-0 v Werder BremenWerder Bremen 0-5 Mainz 05 | German Bundesliga |
| 11 | Sat 21 Dec 2019 | 80-1 v Bayer 04 LeverkusenMainz 05 0-1 Bayer 04 Leverkusen | German Bundesliga |
| 12 | Sat 18 Jan 2020 | 81-2 v SC FreiburgMainz 05 1-2 SC Freiburg | German Bundesliga |
| 13 | Sat 1 Feb 2020 | 81-3 v Bayern MunichMainz 05 1-3 Bayern Munich | German Bundesliga |
| 14 | Sat 8 Feb 2020 | 83-1 v Hertha BerlinHertha Berlin 1-3 Mainz 05 | German Bundesliga |
| 15 | Sun 16 Feb 2020 | 80-0 v FC Schalke 04Mainz 05 0-0 FC Schalke 04 | German Bundesliga |
| 16 | Sun 23 Feb 2020 | 80-4 v VfL WolfsburgVfL Wolfsburg 4-0 Mainz 05 | German Bundesliga |
| 17 | Sat 29 Feb 2020 | 82-0 v SC Paderborn 07Mainz 05 2-0 SC Paderborn 07 | German Bundesliga |
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