Michy Batshuayi and Fikayo Tomori sent Chelsea through to the FA Cup fifth round with a 2-1 win at Hull City.
An early opener from striker Batshuayi calmed any Chelsea nerves, before Tomori’s header stretched their lead in the second half.
Hull’s reply was a fortunate one, Kamil Grosicki’s free-kick taking a giant deflection off Mateo Kovacic.
The hosts began to believe they could force a replay, but Chelsea withstood the late scare to clinch a place in the last 16 of the competition.
Barkley made a bright run through the heart of the Hull defence, but the England midfielder’s strike was unconvincing and Long blocked, with the Hull goalkeeper later also twice denying Mason Mount and parrying an Azpilicueta shot.
Lampard led Derby County to the fifth round last season before Brighton and Hove Albion ended their campaign, but with Chelsea the trophy is always a target.
The FA Cup represents their best chance of silverware this season, given the Premier League is a Liverpool procession, their EFL Cup campaign is over, and Bayern Munich await the Blues in the Champions League’s first knockout round.
Jarrod Bowen has been a goalscoring phenomenon in the second tier of English football and gave a glimpse of his quality just before the hour with a darting run from midfield and a shot that cleared the Chelsea bar by barely a foot.
Hull’s hopes were fading when Tomori headed a wonderfully clipped Barkley free-kick inside the left post in the 64th minute for Chelsea’s second.
Pedro drilled narrowly wide before chipping into the side-netting, before Hull’s reply came with 12 minutes remaining when substitute Grosicki’s free-kick took its wild deflection off Kovacic and flew inside the left post.