Argentina have won their first Davis Cup title, with Federico Delbonis sweeping past Ivo Karlovic in straight sets to complete a stirring 3-2 comeback win over hosts Croatia.

• Ben McKay

Australian tennis' leading women hope the sport can retain marquee status as a choice for female athletes amid the women's sport revolution.

• Linda Pearce

In an amusing recent exchange on social media, a group of self-proclaimed tennis geeks asked if anyone could confirm whether Thanasi Kokkinakis is still alive, so little has he been seen in recent times. "Can't confirm," came the reply. From the account of one @TKokkinakis, self-described Australian tennis player and NBA fan..

Andy Murray is not too comfortable with the thought of being called Sir just yet.

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• Linda Pearce

After a season in which he had already reached dizzy heights, Andy Murray saved the best to last by outclassing Novak Djokovic 6-3 6-4 to claim his first ATP World Tour Finals title and secure the year-end top ranking.

• Linda Pearce

Australia has its first champion at the Barclays ATP World Tour Finals since the second of Lleyton Hewitt's consecutive successes in 2002, after Victorian John Peers partnered Henri Kontinen of Finland to win the doubles title at London's O2 Arena.

• Linda Pearce

In wildly differing circumstances, Andy Murray and Novak Djokovic have arrived at the first championship match in the 27-year history of the season-ending tournament that will decide which man finishes the year at No.1.

• Linda Pearce

London

• Linda Pearce

Andy Murray remained the requisite one step ahead of rival Novak Djokovic in the duel for the year-end No.1 ranking, but needed to take many, many steps to do so.

• Linda Pearce

He admits he had to "reconnect" with the public, and we are now seeing how successful that has been.

• Linda Pearce

Andy Murray has joined his No.1 rival Novak Djokovic in the semi-finals of the ATP World Tour Finals, as the pair continue to track along parallel paths to a likely showdown for the year-end top ranking in Sunday's decider.

• Linda Pearce

London

Former teenage tennis prodigy Ashleigh Barty has made another successful return to the court.

• Linda Pearce

The dream finish to the ATP season inched closer after Andy Murray survived a marathon round-robin challenge from Kei Nishikori to remain unbeaten.

Former grand slam finalist Sabine Lisicki will play in the 2017 Kooyong Classic, with the Australian Open-warm up event to feature women for just the second time.

• Linda Pearce

As Novak Djokovic declared "I do not feel vulnerable", Milos Raonic quantified the recent change in the dethroned world No.1's game.

• Linda Pearce

The fact that Andy Murray took so long to reach No.1 may be what helps him to remain there, according to 2014 US Open champion Marin Cilic.

• Linda Pearce

While Andy Murray does not condone Nick Kyrgios' blatant tank job at the Shanghai Masters, the world No.1 believes there was some upside in the Australian's willingness to at least acknowledge his culpability.

• Linda Pearce

One is not the only sought-after rankings number at this week's Barclay ATP World Tour Finals, with a trio of contenders vying to fill the rare year-end position in the top three vacated by the absent Roger Federer.

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• Linda Pearce

A winning start to his ATP World Tour Finals defence was the prelude to further interview room irritation for Novak Djokovic.

• Linda Pearce

Andy Murray has proved he can perform in London but is yet to bring his best to the ATP World Tour finals.

• Linda Pearce

As unfamiliar as his second seeding may be, the five-time champion is confident he can beat Andy Murray.

• David Polkinghorne

Nick Kyrgios could be crowned Canberra's best male athlete despite having his year marred by tanking.

• David Polkinghorne

Tennis ACT boss Ross Triffitt hopes he can lure an elusive Davis Cup tie before he puts down the racquet after almost eight years in charge.

• Phil Lutton

Nick Kyrgios will return from his tennis ban a better player and person following his Shanghai Masters brain snap, fellow Australian John Millman believes.

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Roger Federer has fallen outside the world's top 10 for the first time since 2002, but he could still win another grand slam title, according to former great Stefan Edberg.