And of course, the task was a little bit worse, but the hope of final live for the German club after the 1-1 in the first meeting.
It was the home team Frankfurt who started best and also took the lead in the 23rd minute after Filip Kostics posts found Luka Jovics forehead. But Pedro equalized for Chelsea just before the break, and got into it where so important bortamålet. The guests managed to control the second half and have an advantage before the return at home.
In the other semi-final paired the Arsenal grip on the meeting with Valencia after the 3-1 victory at home. The Spanish team took the lead early, but Arsenal responded immediately by turning on the match with two goals of Alexandre Lacazette. Pierre-Emerick Aubameyang put the three on the right.