Poland's Iga Swiatek celebrates winning her semifinal match of the French Open tennis tournament against Coco Gauff of the U.S. at the Roland Garros Stadium in Paris. (AP ) PARIS, June 6, (AP): Iga Swiatek eliminated Coco Gauff 6-2, 6-4 in the French Open semifinals Thursday and stretched her winning streak at Roland Garros to…