由 jpichiban 卫冕冠军高芙在美国网球公开赛第四轮比赛中不敌同胞艾玛·纳瓦罗。 尽管高芙在比赛中表现出顽强抵抗，最终还是以6-2、6-3的比分败下阵来，结束了她的卫冕之旅。
Original Title: Gauff’s US Open title defence ended by Navarro
Article Content:
Defending champion Coco Gauff loses to fellow American Emma Navarro in the fourth round of the US Open.
Original article: https://www.bbc.com/sport/tennis/articles/c8dp8qj3egmo