Bianca Andreescu of Canada celebrates her win over Belinda Bencic of Switzerland in a semifinal match on day eleven of the 2019 US Open tennis tournament at USTA Billie Jean King National Tennis Center, Flushing, NY, USA, Sept 5, 2019. Canadian teenager Bianca Andreescu's dream run at the U.S. Open continued on Thursday as she powered past Belinda Bencic 7-6(3) 7-5 to set up a highly-anticipated final with Serena Williams on Saturday. Danielle Parhizkaran-USA TODAY Sports

Bianca Andreescu of Canada serves against Belinda Bencic of Switzerland (not pictured) in a semifinal match on day eleven of the 2019 US Open tennis tournament at USTA Billie Jean King National Tennis Center, Flushing, NY, USA, Sept 5, 2019. Canadian teenager Bianca Andreescu's dream run at the U.S. Open continued on Thursday as she powered past Belinda Bencic 7-6(3) 7-5 to set up a highly-anticipated final with Serena Williams on Saturday. Geoff Burke-USA TODAY Sports

Bianca Andreescu of Canada hits to Belinda Bencic of Switzerland in a semifinal match on day eleven of the 2019 US Open tennis tournament at USTA Billie Jean King National Tennis Center, Flushing, NY, USA, Sept 5, 2019. Canadian teenager Bianca Andreescu's dream run at the U.S. Open continued on Thursday as she powered past Belinda Bencic 7-6(3) 7-5 to set up a highly-anticipated final with Serena Williams on Saturday. Danielle Parhizkaran-USA TODAY Sports

Bianca Andreescu of Canada celebrates after match point against Belinda Bencic of Switzerland (not pictured) in a semifinal match on day eleven of the 2019 US Open tennis tournament at USTA Billie Jean King National Tennis Center, Flushing, NY, USA, Sept 5, 2019. Canadian teenager Bianca Andreescu's dream run at the U.S. Open continued on Thursday as she powered past Belinda Bencic 7-6(3) 7-5 to set up a highly-anticipated final with Serena Williams on Saturday. Geoff Burke-USA TODAY Sports

Bianca Andreescu of Canada celebrates after match point against Belinda Bencic of Switzerland (not pictured) in a semifinal match on day eleven of the 2019 US Open tennis tournament at USTA Billie Jean King National Tennis Center, Flushing, NY, USA, Sept 5, 2019. Canadian teenager Bianca Andreescu's dream run at the U.S. Open continued on Thursday as she powered past Belinda Bencic 7-6(3) 7-5 to set up a highly-anticipated final with Serena Williams on Saturday. Geoff Burke-USA TODAY Sports

Bianca Andreescu of Canada (right) shakes hands with Belinda Bencic of Switzerland after their match in a semifinal match on day eleven of the 2019 U.S. Open tennis tournament at USTA Billie Jean King National Tennis Center, Flushing, NY, USA, Sept 5, 2019. Canadian teenager Bianca Andreescu's dream run at the U.S. Open continued on Thursday as she powered past Belinda Bencic 7-6(3) 7-5 to set up a highly-anticipated final with Serena Williams on Saturday. Robert Deutsch-USA TODAY Sports