Poland's Iga Swiatek will succeed Ash Barty as world No 1 following a 6-2 6-0 win over Viktorija Golubic in the second round of the Miami Open.
Poland's Iga Swiatek will succeed Ash Barty as world No 1 following a 6-2 6-0 win over Viktorija Golubic in the second round of the Miami Open.