Serena Williams defeated Elina Svitolina 6-3, 6-1 as she edge closer to winning a record equalling 24th Grand Slam singles title after demolishing the Ukrainian.
Williams, is aiming for her first Grand Slam win since she gave birth in September 2017.
The six time champion will face Canadian 19year old Bianca Andreescu in Saturday’s final in New York.
In another semi final encounter, Andreescu defeated 22year old Swiss Belinda Bencic 7-6, 7-3, 7-5, winning the last five games of the match.
Andreescu, who is playing in the US Open main draw for the first time and competing in only her fourth Grand Slam, was born nine months after Williams won her first title at the US Open in 1999.
US Open Doubles
Britons Jamie Murray and Neal Skupski failed to reach the men’s doubles final, losing in two sets to top seeds Juan Sebastian Cabal and Robert Farah.
The Columbian pair, who were Wimbledon champions, won 7-6, 7-5, 7-6, 10-8 in over two hours in New York.
There were no breaks of serve in the semi final with Farah and Cabal converting their third match point.
They will play Spaniard Marcel Granollers and Argentine Horacio Zeballos in Friday’s final.