walkover
noun [ C ] uk/ˈwɔːkˌəʊ.vər/ us/ˈwɑːkˌoʊ.vɚ/
informal (US also walkaway)轻松取胜的比赛，一边倒的比赛
a game or sports event that is won very easily by one side or one person
The semifinal should be a walkover for France. 半决赛法国队应该会轻松取胜。
（因对手退出比赛而获胜的）不战而胜
the act of winning one stage of a competition without having to compete in it because the person that you should be playing against is no longer taking part