The tennis player outsmarted his opponent with a clever fake shot.

outsmarted 是动词 outsmart 的过去式。outsmart 由前缀 out-（表示"超过、胜过"）和形容词 smart（聪明的）组成，字面意思是"比...更聪明"，引申为"智胜、用计谋胜过"的意思。