Andy Murray has declared his support for the Yes campaign in the independence referendum.
Stan Wawrinka is a Grand Slam champion after beating Djokovic and Nadal in Melbourne. The 2015 Australian Open will take place from 19 January to 1 February. For information visit the official Australian Open site.
Angelique Kerber came through a tough test against Elina Svitolina to reach the Toray Pan Pacific Open quarter-finals.
Agnieszka Radwanska and Karolina Pliskova both booked their places in the quarter-finals of the Kia Korea Open.
Wang Yafan was made to work hard for her victory over Petra Martic at the Guangzhou International Women's Open.
Great Britain captain Leon Smith will be keeping his fingers crossed for a home tie when the draw is made on Thursday.
Andy Roddick will return to London to make his debut at the Statoil Masters Tennis at the Royal Albert Hall in December.
Andy Schooler's latest Net Talk column considers what lies in store for Great Britain in Thursday's 2015 Davis Cup draw.
Former world number seven Nicole Vaidisova returned to professional tennis with a win on Tuesday in New Mexico.
Jerzy Janowicz survived a scare at the Moselle Open as he needed three sets to see off Adrian Mannarino.
Heather Watson was dumped out of the Korea Open in the first round, beaten by American qualifier Nicole Gibbs.