The Gelsenkirchen outfit were subjected to a humiliating 6-1 thrashing by Real on Wednesday in the first leg of their UEFA Champions League last 16 tie.
Schalke had entered the fixture in confident mood, with Real having won only once in 25 previous visits to German opposition.
Life is not likely to get any easier for Jens Keller's men when they travel to the Allianz Arena to face runaway Bundesliga leaders Bayern.
Pep Guardiola's charges have been simply unstoppable in Germany's top flight this season, and their relentless march towards a defence of the Bundesliga title shows no signs of being slowed.
The unbeaten Bavarians have dropped points on just two occasions this term thanks to a mix of irresistible attacking displays and defensive solidarity, highlighted by the fact Bayern boast comfortably the best offensive and defensive record in the league with 61 goals scored and just nine conceded.
"Schalke are always a strong opponent. You know you have to be careful and you will never win easily against them. We are highly motivated and we need to have the right attitude for the match," he said.
