Mariano Zabaleta

Mariano Zabaleta. Producer: Juan Martín del Potro, el último match point. Mariano Zabaleta is a retired professional tennis player from Argentina. He had an unusual but effective service motion. His best shot was his forehand and his favorite surface was clay. Zabaleta's career highlights include reaching the quarter-finals of the 2001 US Open and the final of the 1999 Hamburg Masters. He achieved a career-high singles ranking of World No. 21. In...