Alex Zverev hopes he can get his hands on a maiden Grand Slam title next year after a disappointing 2019.
Andy Murray has welcomed the involvement of "experienced" Tim Henman as Great Britain's captain for the inaugural ATP Cup.
Martina Hingis says Kim Clijsters must exercise caution after she announced her intention to return to the sport.
Rafael Nadal saved match point before recording a dramatic 6-7 6-3 7-6 win against Daniil Medvedev at the ATP Finals on Wednesday.
Ashleigh Barty downed Karolina Pliskova 4-6 6-2 6-3 at the WTA Finals to set up a final showdown with Elina Svitolina.
Defending champion Elina Svitolina made it through to Sunday's final of the WTA Finals after Belinda Bencic retired in the last four.