Iga Swiatek secured the No. 1 spot on Friday night but it all felt surreal for the Polish tennis superstar. Swiatek, who reached a career-high ranking of No. 2 this past Monday, defeated Viktorija Golubic 6-2 6-0 in the Miami second round. Meanwhile, world No. 3 Maria Sakkari suffered a shock defeat to Beatriz Haddad Maia. Swiatek is now guaranteed to replace Ashleigh Barty as the new No. 1 when the WTA rankings list gets updated after Miami. “The thing is, I never really imagined that moment because, truth to be told, I was working day-by-day and playing tennis well,” she said later in a press conference, per the WTA Tour website.“But I never had the strong belief that it can actually happen. So, it’s even more surreal for me. …