Sergio Romero kept a clean sheet, despite being tested at times by the Royals, while a first-half penalty given by the VAR system and confidently converted by Juan Mata, plus a second goal on the stroke of half-time by Romelu Lukaku, were enough for the Reds to win.
Here's what Solskjaer had to say in his post-match interviews with MUTV, BT Sport and other reporters after the game...
I MADE IT TOUGH FOR MY TEAM
“It was a tough game, but 2-0 and a clean sheet [is good]. I made it tough for us because when you make nine changes it is never easy for a team that has never played together so I am delighted that we are in the next round.