Novak Djokovic survived a tense semi-final battle with Gael Monfils to book a showdown with Stefanos Tsitsipas in the Dubai Tennis Championships final.
Injuries have ruled out Nick Kyrgios and Alex de Minaur from playing in Australia's Davis Cup tie against Brazil starting next Friday in Adelaide.
Four-time champion Novak Djokovic has beaten seventh-seeded Russian Karen Khachanov in straight sets to reach the semi-finals of the Dubai Tennis Championships.
Rafael Nadal has beaten Miomir Kecmanovic to advance to the quarter finals of the Mexican Open, with wins too for Tommy Paul, Grigor Dimitrov and Kyle Edmund.
Novak Djokovic has hailed Maria Sharapova as a "legend" of tennis in a wonderful tribute to the retiring five-time grand slam winner.
Ashleigh Barty has defeated qualifier Laura Siegemund at the Qatar Open while her fellow Australian Ajla Tomljanovic was beaten by Garbine Muguruza.
Sofia Kenin suffered her third-straight loss since winning the Australian Open, while Ash Barty had no such troubles.
Australian Alex de Minaur has lost his first match back from an injury layoff, while Stan Wawrinka enjoyed a tough three-set round one win at the Mexican Open.
Alex de Minaur has overcome an abdominal injury to take his place in Australia's Davis Cup squad to face Brazil on March 6-7 in Adelaide.
Never shy about speaking his mind, Nick Kyrgios says the scheduling of some of this season's clay tournaments is out of whack.
Novak Djokovic has admitted that the injury to Roger Federer will leave a hole in tennis that no one else can fill.