Number two seed Michael Chang of the United States takes on 10th seed Marcelo Rios of Chile tonight for the last remaining semifinal berth at the US Open Tennis Championships at Arthur Ashe Stadium in New York.

• 今晚在纽约亚瑟·阿什体育馆,2号种子美国选手张德培将和10号种子智利选手马塞罗·里奥斯争夺美国网球公开赛最后一个半决赛席位。