BRUSSELS, BELGIUM - SEPTEMBER 19:  Leonardo Mayer and Carlos Berlocq of Argentina celebrate after winning the doubles match between Ruben Bemelmans/ Steve Darcis (BEL) and Leonardo Mayer/ Carlos Berlocq (ARG) on Day 2 of The World Group Semi Final Davis Cup match between Belgium and Argentina at Forest National Stadium on September 19, 2015 in Brussels, Belgium. (Photo by Jorge Luis Alvarez Pupo/LatinContent via Getty Images)