Ikay Gundogan gave Dortmund the lead from the penalty spot.
Pierre-Emerick Aubameyang (r) was one of Dortmund's biggest players on show.
Here he is taking on Frankfurt's David Abraham.
Henrikh Mkhitaryan rounds the Frankfurt 'keeper but fails to apply the finish.
Lukasz Piszczek (l) defends against Marco Fabian.
Shinji Kagawa (r) scored Dortmund's third goal.
Which he and his teammates celebrate here.
It was a poor night for Frankfurt players.
And Adrian Ramos (l) rubbed salt into the wounds.
He scored twice, either side of Kagawa to make it 4-0.
Sport360 staff
12:23 13/01/2016
Ikay Gundogan gave Dortmund the lead from the penalty spot before an Adrian Ramos brace either side of Shinji Kagawa’s strike handed Thomas Tuchel’s men the win.
Dortmund are currently second in the Bundesliga table, while Eintracht sit a lowly 14th at the seasonal break.
The Borussia outfit next play South Korea’s Jeonbuk Hyundai Motors FC at Al Wasl Sports Club on Friday.
Kick-off is at 4:35pm and tickets are available via Platinum List, here.