Schalke were much the better team against Borussia Dortmund, but they could not find a way past Marwin Hitz.
Marco Reus is likely to be fit for Borussia Dortmund against Schalke, boosting a side still without Marcel Schmelzer and Paco Alcacer.
Bayern Munich boss Niko Kovac acknowledged that his side must improve, but is "relaxed" about his future at Allianz Arena.
Lucien Favre was relatively happy with Borussia Dortmund's performance in their 2-0 loss to Inter.
Inter head coach Antonio Conte admitted Borussia Dortmund's tactics surprised him and praised his team for reacting in their win.
Inter have put themselves in a stronger position to reach the next round of the Champions League after seeing off Borussia Dortmund.
Youssoufa Moukoko made his mark on the UEFA Youth League for Borussia Dortmund on Wednesday despite only being 14 years old.
Antoine Griezmann opened the scoring in Barcelona's 3-0 win at Eibar, earning himself a place in the stellar FUT Team of the Week line-up.
Steffen Freund thinks Lucien Favre is a good coach for Borussia Dortmund but Jurgen Klopp's emotional link with his players is unmatched.
Barcelona, Chelsea and Liverpool all feature in the best Opta facts ahead of Wednesday's batch of Champions League matches.