Goals from Mason Mount and Ben Chilwell sealed a 2-0 first-leg away win for Chelsea, putting Thomas Tuchel’s Blues in firm control of the contest.
Due to Covid-19 restrictions between Spain and England, both ties were held at the Estadio Ramon Sanchez Pizjuan in Seville - though Chelsea had two away goals to protect this time around.
Porto laboured for long periods but gave themselves hope with Mehdi Taremi’s sensational bicycle kick in injury time, but Porto could not find the second goal to force extra-time.
Tuchel has been tasked with winning silverware immediately at Chelsea, with Frank Lampard’s brutal sacking a reminder that Roman Abramovich will not settle for anything less.
After finishing as a runner-up with PSG last season, the German coach is now into the last four with Chelsea, where they will face either Real Madrid or Liverpool.
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