Which tennis player is from Argentina, Martina Hingis or Gisela Dulko?
Martina Hingis: Martina Hingis (born 30 September 1980) is a Swiss professional tennis player, a former world No. 1 singles player and currently ranked world No. 2 in doubles by the WTA. Gisela Dulko: Gisela Dulko (] ; born 30 January 1985, in Tigre) is a retired professional tennis player from Argentina.
Gisela Dulko