Babos also becomes the first player to win three WTA Finals doubles titles in a row in 21 years.
The French star says that dropping down to the ATP challenger circuit helped him find his game and his love for the sport.
The Italian will be the first player from his country to play the event since 1978.
US Open champion reveals what he finds beautiful about the game.
Sofia Kenin will step in for US Open champion, who suffered a left knee injury.
Remember the name... Corentin Moutet
Gael Monfils claims he's "dead" but showed plenty of life in his quest for the Top 10.
