A tennis player named Robin Haase lost a point in a match the other day, all because he made fun of his opponent’s GRUNTING. The opponent was Gonzalo Lama, who grunts REALLY loudly on basically every shot. So in the middle of a point, Haase got sick of it and HE suddenly grunted as loud as he could . . . so the umpire called him for “hindrance.” Hear him “mock” his grunt at the :20 sec mark…