Ash Barty and CoCo Vandeweghe have continued their impressive US Open Women's Doubles campaign as they defeated the world No.1's to reach the final.
The Aussie and American combined and won in straight sets (6-4 7-6(6)) against Barbora Krejcikova and Katerina Siniakova. The Czech duo has won at both Roland Garros and Wimbledon this season.
It will be Barty's fifth Grand Slam doubles final and second at Flushing Meadows after she partnered Casey Dellacqua. For Vandeweghe, it is her first Grand Slam women’s doubles final but has previously advanced to mixed doubles finals at Australian Open and US Open.
The duo only joined up this season and came in the US Open off winning the Miami Open in just their second tournament as a team.
Ahead of her semi-final clash, Barty was awarded the women's 2018 US Open Sportsmanship Award.
The award, which is presented to the player who best demonstrates excellence in sportsmanship throughout the US Open Series and the US Open.
"I always try to do my best on the court to compete and try the best that I can, but in the same breath also have good sportsmanship and respect my opponent, respect the tournament and respect everything that goes on behind the scenes to make it a possibility," she told WTA media.
Each award winner receives a trophy and a $5,000 donation to the charity of their choice.
In the other semi-final of the women's doubles, which saw former US Open Champion Sam Stosur and partner Shuai Zhang went down to Timea Babos and Kristina Mladenovic 4-6 6-7(4).