Martina Hingis is a professional soccer player.
The Grand Slam tournaments , also called majors , are the four most-important annual tennis events . Martina Hingis . She was named one of the `` 30 Legends of Women 's Tennis : Past , Present and Future '' by TIME in June 2011 . The US Open Series is the seven-week summer tennis season linking twelve ATP World Tour and WTA Tour tournaments together .