Schalke defeated Wolfsburg 4-0 at home on Sunday to keep pace with the Bundesliga leaders.
Spanish veteran Raul opened the scoring for home side Schalke 10 minutes into the match at the Veltins-Arena, tapping home from close range following Jefferson Farfan's corner.
Netherlands international Klaas-Jan Huntelaar made it 2-0 just five later, guiding home a shot after being played in by Christian Fuchs.
Joel Matip claimed Schalke's third goal four minutes into the second half, collecting Kyriakos Papadopoulos' flicked header from a corner and back-heeling the ball into the back of the net.
Huntelaar made it 4-0 with his second goal in 72nd minute, heading home from a Fuchs delivery.
Also on Sunday, Hannover beat Stuttgart 4-2 at home.
Hosts Hannover led by half-time at the AWD-Arena thanks to goals from Karim Haggui and Mame Biram Diouf.
Christian Pander made it 3-0 less than 60 seconds into the second half, with Lars Stindl adding a fourth on 73 minutes.
Martin Harnik got one back for Stuttgart a minute after Stindl's goal, and Shinji Okazaki bagged another for the visitors to make it 4-2 with 12 minutes still to play.
