| 1 | Sun 24 Aug | 20-1 v 1 FC KölnMainz 05 0-1 1 FC Köln |
| 2 | Sun 31 Aug | 21-1 v VfL WolfsburgVfL Wolfsburg 1-1 Mainz 05 |
| 3 | Sat 13 Sep | 20-1 v RB LeipzigMainz 05 0-1 RB Leipzig |
| 4 | Sat 20 Sep | 24-1 v FC AugsburgFC Augsburg 1-4 Mainz 05 |
| 5 | Sat 27 Sep | 20-2 v Borussia DortmundMainz 05 0-2 Borussia Dortmund |
| 6 | Sun 5 Oct | 20-4 v Hamburger SVHamburger SV 4-0 Mainz 05 |
| 7 | Sat 18 Oct | 23-4 v Bayer LeverkusenMainz 05 3-4 Bayer Leverkusen |
| 8 | Sun 26 Oct | 2 1-2 v VfB StuttgartVfB Stuttgart 2-1 Mainz 05 |
| 9 | Sat 1 Nov | 21-1 v Werder BremenMainz 05 1-1 Werder Bremen |
| 10 | Sun 9 Nov | 2 0-1 v Eintracht FrankfurtEintracht Frankfurt 1-0 Mainz 05 |
| 11 | Fri 21 Nov | 2 1-1 v TSG HoffenheimMainz 05 1-1 TSG Hoffenheim |
| 12 | Sun 30 Nov | 20-4 v SC FreiburgSC Freiburg 4-0 Mainz 05 |
| 13 | Fri 5 Dec | 20-1 v Borussia MönchengladbachMainz 05 0-1 Borussia Mönchengladbach |
| 14 | Sat 24 Jan | 23-1 v VfL WolfsburgMainz 05 3-1 VfL Wolfsburg |
| 15 | Sat 31 Jan | 22-1 v RB LeipzigRB Leipzig 1-2 Mainz 05 |
| 16 | Sat 7 Feb | 22-0 v FC AugsburgMainz 05 2-0 FC Augsburg |
| 17 | Fri 13 Feb | 20-4 v Borussia DortmundBorussia Dortmund 4-0 Mainz 05 |
| 18 | Fri 20 Feb | 21-1 v Hamburger SVMainz 05 1-1 Hamburger SV |
| 19 | Sat 28 Feb | 21-1 v Bayer LeverkusenBayer Leverkusen 1-1 Mainz 05 |
| 20 | Sat 7 Mar | 22-2 v VfB StuttgartMainz 05 2-2 VfB Stuttgart |
| 21 | Sun 15 Mar | 22-0 v Werder BremenWerder Bremen 0-2 Mainz 05 |
| 22 | Sun 22 Mar | 2 2-1 v Eintracht FrankfurtMainz 05 2-1 Eintracht Frankfurt |
| 23 | Sat 4 Apr | 22-1 v TSG HoffenheimTSG Hoffenheim 1-2 Mainz 05 |