 Ash Barty versus Alina Svetalina is the first semi-final at the Miami Open for 2021 And both these players have had to fight to get to this stage The world number one Barty started her week off with a buy in the first round But in her second round match she had to play the qualifier Cacova and after winning the first set found herself in an absolute battle winning in three six three four six seven five After saving match points in a third round match She took on fellow French open winner Oster Penko getting through that match in straight sets six three six two in her fourth round another grand slam Champion to face in Victoria Azarenka and after a stumble in the second set Barty got through in three six one one six six two In a quarter-final match She was up against one of the best players of 2021 Sabalenka and again after losing the second set she came through in three six four six seven six three just like Barty Svetalina had a buy in the first round in her second round match She took on Shelby Rogers and after losing the first set had to fight back to come back in three three six Seven five six three her third round match was against Alexander over and after a tight first set She got through in straight sets seven six six four fourth round match against Kovitava Was an absolute blockbuster and after losing the first set Svetalina got through in three tight sets two six seven five Seven five in the quarter-finals Svetalina took on Sever Stover who had had a great week herself But was no match for Svetalina with the world number five getting through in straight sets six three six two in her quarter-final Against Sabalenka, Barty saved seven out of seven break points and hit 28 winners And she would need to be as efficient as she was against Sabalenka against Svetalina Who is a fellow baseliner in her quarter-final match against Sever Stover Svetalina won six of seven break points hit 19 winners and 18 unforced errors She's gonna have to be just as efficient against Barty in the semi-finals The head-to-head between these two is five one in favor of Svetalina It's Svetalina holding the record as well four one on hard courts Barty did win their last encounter Which was the WTA finals a couple of years ago. So who's gonna win this one? It's gonna be the world number five or the world number one Svetalina has the record But I'm liking Barty at the moment She's had back-to-back wins over great champions in Sabalenka and Azarenka And I'm gonna back Barty in this one to go in three sets, but let me know down in the comments below Who do you think's gonna win this one?