4

2 draws

1

2022

Bundesliga·14 Aug

Mainz

0-0

Union Berlin

Bundesliga·26 Feb

Union Berlin

3-1

Mainz

2021

Bundesliga·3 Oct

Mainz

1-2

Union Berlin

Bundesliga·6 Feb

Mainz

1-0

Union Berlin

2020

Bundesliga·2 Oct

Union Berlin

4-0

Mainz

Bundesliga·27 May

Union Berlin

1-1

Mainz

2019

Bundesliga·9 Nov

Mainz

2-3

Union Berlin