one-sidedness

puolueellisuus, yksipuolisuus The state of being one-sided
2013, Daniel Taylor, Jack Wilshere scores twice to ease Arsenal to victory over Marseille (in The Guardian, 26 November 2013)http://www.theguardian.com/football/2013/nov/26/arsenal-marseille-match-report-champions-league

The Premier League leaders did what many people thought was beyond them in their last European excursion, at the home of Borussia Dortmund, and they made light work of overcoming Marseille on a night when the one-sidedness was not reflected by their inability to add to Jack Wilshere's two goals.