Sam Kerr's 23rd-minute finish proved to be the difference between the two teams, as the Blues leapfrogged United, jumping to the top of the WSL table in the process.
In what was a tightly contested encounter in the capital, the Reds had two shouts for a penalty which were both turned down, with Skinner dissecting those key decisions, among the big talking points, following the full-time whistle.
''[We were the] better team, in lots of perimeters of the game,'' began Marc, as he spoke to MUTV at full-time.
''We switch off on one break through, they get through [to score] and also there are two decisions in the game that should be penalties for us.