The Blues looked sluggish for the first thirty minutes of the match and Frankfurt took advantage as Luka Jovic met a Filip Kostic cross with a sublime header to put the home side ahead in the 23rd minute.
A good spell of play for Chelsea just before half-time saw them press high up the pitch as Rueben Loftus-cheek won the ball in Frankfurt’s box and set up Pedro who slotted it home to give Chelsea the equaliser.
A dominant second-half for the London side lacked another goal but they take a slender advantage into the second leg after claiming a crucial away goal in Germany.
So how did the visitors fare? See the gallery below for our player ratings.
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