to get play underway that is an impressive start that is a very impressive start you can already see here a CLE hit still calm down there Laura in terms of the wind it's actually quite windy outside he doesn't really get down here I mean the Stadium's so big um sometimes like last night I felt like it was picking up a little bit more but to be honest it couldn't really be much better for the players a brilliant start for Emma Navaro and from Amer forcing her to play an awkward volley good decision to let the overhead drop with the sun in her [Applause] eyes nothing going Navarro's way at the moment just catching the line and she will be able to control the next shot which he hasn't been able to do today at all there we go what a point the best ja from the Spaniards you can virtually see the tension melting from her muscles in this point [Applause] here and maybe bza has just arrived and Arthur took one shuttle too late that reaction to good point point down she can feel badosa raising her level but she just seems unbothered exquisit combination if your balls is very high a lot of things can go wrong with it oh come on she's just playing been a problem area no just notes it wide so that's a set on the board for Emma novaro one foot in the semis six games to two overwhelmed by the occasion order crowd Katie Lei in the crowd they just showed her yeah that was a cheer wasn't it trying to find her yeah I love her that went around as [Applause] the back misses so a first break for the Spaniard [Applause] [Music] 4 turns from a bway but still was able to finish out on top [Music] paa from Spain with the break 2-1 it's good start to another service game back end of the first set brought it back down and now he's very impressive on serve yes what a finish what a game that was that's where she gets into problems come on 13 14 [Applause] second chance it's a brilliant combination going after the Navaro forehand initially she breaks again I'll keep you posted he picked up on it Laura I mean she looks like a different [Applause] she he's been interesting inside as Stadium 51 becomes 54 one more chance for Bosa to serve this [Applause] out perfect start for the American [Applause] nothing going her way all of a sudden and it's all Emma Navaro she's getting closer and closer to the finish line [Applause] [Music] emmaa is a US Open semi-final list what an incredible turnaround in that second set she was down and out 5-1 down so quickly turned things around for the biggest win of her career into the final four here in New York