Two sides separated by nothing in the Bundesliga table meet on Friday evening, with both Union Berlin and FC Schalke 04 sitting level on one point after two matches.
Second-placed Nürnberg welcome bottom-third Hannover to the Max-Morlock-Stadion on Friday, six points separating the sides in the 2. Bundesliga table.
Hannover 96 and Karlsruher SC shared the spoils in a 2-2 draw at the Heinz-von-Heiden-Arena on Matchday 4 of the 2. Bundesliga.