Bianca Andreescu of Canada (right) and Serena Williams of the United States (left) hug each other during the trophy presentation after the women's singles final on day thirteen of the 2019 US Open tennis tournament at USTA Billie Jean King National Tennis Center, Flushing, NY, USA, Sep 7, 2019. Canadian teenager Bianca Andreescu beat Serena Williams 6-3 7-5 in the U.S. Open final on Saturday to claim her first Grand Slam title and stop the American's bid to equal the all-time record. Danielle Parhizkaran-USA TODAY Sports

Bianca Andreescu of Canada reacts after her match against Serena Williams of the United States (not pictured) in the women's final on day thirteen of the 2019 US Open tennis tournament at USTA Billie Jean King National Tennis Center, Flushing, NY, USA, Sep 7, 2019. The hard-hitting Andreescu matched Williams' power throughout the slugfest and fended off a late comeback from the six-times U.S. Open champion to claim victory. Geoff Burke-USA TODAY Sports

Bianca Andreescu of Canada celebrates match point against Serena Williams of the United States in the women's singles final on day thirteen of the 2019 US Open tennis tournament at USTA Billie Jean King National Tennis Center, Flushing, NY, USA, Sep 7, 2019. The 19-year-old dropped her racket after hitting a winner on match point to seal victory at Arthur Ashe Stadium and collapsed on her back after embracing her defeated opponent. Danielle Parhizkaran-USA TODAY Sports

Bianca Andreescu of Canada with the US Open championship trophy after beating Serena Williams of the USA in the women's singles final on day thirteen of the 2019 U.S. Open tennis tournament at USTA Billie Jean King National Tennis Center. Canadian teenager Bianca Andreescu beat Serena Williams 6-3 7-5 in the U.S. Open final on Saturday to claim her first Grand Slam title and stop the American's bid to equal the all-time record. Robert Deutsch-USA TODAY Sports

Bianca Andreescu of Canada kisses the championship trophy during the trophy ceremony after her match against Serena Williams of the United States (not pictured) in the women's final on day thirteen of the 2019 US Open tennis tournament at USTA Billie Jean King National Tennis Center, Flushing, NY, USA, Sep 7, 2019. The hard-hitting Andreescu matched Williams' power throughout the slugfest and fended off a late comeback from the six-times U.S. Open champion to claim victory. Geoff Burke-USA TODAY Sports

Serena Williams of the United States, left, and Bianca Andreescu of Canada pose with the second-place and first-place trophies after Andreescu wins the women's singles final on day thirteen of the 2019 US Open tennis tournament at USTA Billie Jean King National Tennis Center, Flushing, NY, USA, Sep 7, 2019. Andreescu, who becomes the first Canadian woman to win a major in the professional era, prevented Williams from equalling Margaret Court's record of 24 Grand Slam singles titles. Danielle Parhizkaran-USA TODAY Sports