Manchester United and Tottenham out of the competition, but the writing was on the wall after Lukaku tapped Mason Mount’s perfect cross in from close range to open the scoring.
Thomas Tuchel and Wilder’s sides began the match with furious intensity, taking turns at pressing one another and driving into their respective halves.
But the Champions League holders’ experience and quality shone through, as Ziyech ensured a second trip to Wembley of the season with a wicked, left-footed strike from 25-yards that bamboozled Boro goalkeeper Joe Lumley and flew into the bottom right corner.
Buoyed by the incredible atmosphere of the Riverside Stadium, Middlesbrough's second half performance was considerably better than their opening 45 minutes.
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