The U.S. men’s national soccer team will play a friendly against Peru on Sept. 4 at RFK Stadium, the Insider has learned.

A formal announcement is expected this week. The match falls inside an official FIFA window, allowing the coaches to summon their top players.

The U.S. Soccer Federation also talked to Ghana and Uruguay before reaching terms with Peru, which has advanced to the Copa America semifinals in Chile.

The Sept. 4 date is the first of two home friendlies for the Americans in early September. No specific details are available about the second game.

The U.S. squad is currently in training camp ahead of Friday’s friendly against Guatemala in Nashville and the CONCACAF Gold Cup, which begins next week. The first-round opponents are Honduras in Frisco, Tex., Haiti in Foxborough, Mass., and Panama in Kansas City, Kan. By finishing first or second in the group, the Americans would play a quarterfinal at Baltimore’s M&T Bank Stadium on July 18.

The last time the U.S. squad visited RFK Stadium was June 2, 2013, against Germany, the USSF’s 100th anniversary match.

Peru, which hasn’t qualified for the World Cup since 1982, features Bayern Munich forward Claudio Pizarro, Schalke forward Jefferson Farfan and Flamengo forward Paolo Guerrero.

At this summer’s Copa America, the Peruvians finished second in group play and defeated Bolivia in the quarterfinals (Guerrero’s hat trick in a 3-1 victory) to earn a semifinal meeting with Chile tonight in Santiago. They finished third in the 2011 tournament.