The remainder of the competition will be fought out in neutral venues over 90 minutes, plus extra-time and penalties, if needed.
And the 27-year-old has reminded his team-mates of the perils involved in knock-out football, with little margin for error and concentration being the ‘biggest test’.
“I like playing all types of football, whether it’s a tournament or a points-based championship like the Premier League, but I think in tournaments you need to concentrate more,” the Brazilian told the midweek edition of United Review.
“There are two important games, and a single match in the final.