The Olympic champion Jack Sok declared completion of career

The American tennis player Jack Sok declared completion of professional career. "It were 14 years of memoirs which I never will forget. From a victory on four Grand Slam tournaments, gold and bronze Olympic medals, top-10 a rating in single and pair categories and participations in the Davis Cup and Laver's Cup. Without helps so many people, anything from this could not occur. To me Tour was pleasant to work with many people for these years in Total ATP tournament, but I would not become that the player with whom I am today, without helps Volf Mike. Open tennis championship of the USA this year becomes final competition in mine...