Rafael Nadal of Spain celebrates match point against Daniil Medvedev of Russia in the men's singles final on day fourteen of the 2019 US Open tennis tournament at USTA Billie Jean King National Tennis Center, Flushing, NY, USA, Sep 8, 2019. Rafa Nadal survived a heroic Daniil Medvedev fightback to claim an epic 7-5 6-3 5-7 4-6 6-4 win and a fourth U.S. Open title on Sunday, moving within one Grand Slam crown of matching Roger Federer's all-time record of 20. Danielle Parhizkaran-USA TODAY Sports

Rafael Nadal of Spain celebrates after match point against Daniil Medvedev of Russia (not pictured) in the mens singles final on day fourteen of the 2019 US Open tennis tournament at USTA Billie Jean King National Tennis Center, Flushing, NY, USA, Sep 8, 2019. Rafa Nadal survived a heroic Daniil Medvedev fightback to claim an epic 7-5 6-3 5-7 4-6 6-4 win and a fourth U.S. Open title on Sunday, moving within one Grand Slam crown of matching Roger Federer's all-time record of 20. Geoff Burke-USA TODAY Sports

Rafael Nadal of Spain celebrates after match point against Daniil Medvedev of Russia (not pictured) in the men's singles final on day fourteen of the 2019 US Open tennis tournament at USTA Billie Jean King National Tennis Center, Flushing, NY, USA, Sep 8, 2019. Rafa Nadal survived a heroic Daniil Medvedev fightback to claim an epic 7-5 6-3 5-7 4-6 6-4 win and a fourth U.S. Open title on Sunday, moving within one Grand Slam crown of matching Roger Federer's all-time record of 20. Geoff Burke-USA TODAY Sports

Rafael Nadal of Spain celebrates match point against Daniil Medvedev of Russia in the men's final match on day fourteen of the 2019 U.S. Open tennis tournament at USTA Billie Jean King National Tennis Center, Flushing, NY, USA, Sep 8, 2019. Rafa Nadal survived a heroic Daniil Medvedev fightback to claim an epic 7-5 6-3 5-7 4-6 6-4 win and a fourth U.S. Open title on Sunday, moving within one Grand Slam crown of matching Roger Federer's all-time record of 20. Robert Deutsch-USA TODAY Sports

Rafael Nadal of Spain celebrates match point against Daniil Medvedev of Russia in the men's final match on day fourteen of the 2019 U.S. Open tennis tournament at USTA Billie Jean King National Tennis Center, Flushing, NY, USA, Sep 8, 2019. Rafa Nadal survived a heroic Daniil Medvedev fightback to claim an epic 7-5 6-3 5-7 4-6 6-4 win and a fourth U.S. Open title on Sunday, moving within one Grand Slam crown of matching Roger Federer's all-time record of 20. Robert Deutsch-USA TODAY Sports

Rafael Nadal of Spain (left) greets Daniil Medvedev of Russia (right) after the men's singles final on day fourteen of the 2019 US Open tennis tournament at USTA Billie Jean King National Tennis Center, Flushing, NY, USA, Sep 8, 2019. Rafa Nadal survived a heroic Daniil Medvedev fightback to claim an epic 7-5 6-3 5-7 4-6 6-4 win and a fourth U.S. Open title on Sunday, moving within one Grand Slam crown of matching Roger Federer's all-time record of 20. Danielle Parhizkaran-USA TODAY Sports