Martina Hingis is a citizen of Switzerland, but was born Czechoslovakia.
Switzerland's attitude towards refugees was complicated and controversial; over the course of the war, it admitted as many as 300,000 refugees while refusing tens of thousands more, including Jews persecuted by the Nazis
Widely considered an all-time tennis great, Hingis was ranked by Tennis magazine in 2005 as the eighth-greatest female player of the preceding 40 years

