Canada have sensationally been eliminated from their first-round Davis Cup tie against Great Britain after player Denis Shapovalov was defaulted for hitting the chair umpire in the face with a ball.
Brisbane appeals as a potential home for the Davis Cup quarter-final to be played against the US in April, on a surface - hardcourt - that has already been determined.
All had gone exactly as planned for the Australians over the first two days.
With a 3-0 sweep against the depleted Czech Repubic at Kooyong, Australia have reached the last eight of the Davis Cup for the second time in three years.
Argentina's defence of the Davis Cup tennis title looks set to end less than three months after they finally won the trophy for the first time.
Bernard Tomic's replacement Jordan Thompson made a winning start to his Davis Cup career, passing the baton and a 1-0 lead to Nick Kyrgios, who extended it to 2-0 with Usain Bolt-like speed. The first round tie against the Czech Republic could be over by Saturday afternoon. Bernie who?
While Nick Kyrgios may be this weekend's headline act at Kooyong, John Peers is quietly making news of his own.
Troubled tennis star Nick Kyrgios is on "the right path" as he continues to search for the right candidate who could potentially take up the role as his coach, according to two-time grand slam champion Lleyton Hewitt.
Debutant Jordan Thompson has been drawn to begin Australia's Davis Cup world group first-round tie with Czech Republic at Kooyong on Friday morning.
Nick Kyrgios has been given a unique opportunity to pursue his interest in basketball after the Sydney Kings extended the troubled tennis star an open invitation to connect with the NBL franchise.
In the same room where, 11 months earlier, his Davis Cup commitment was questioned by Bernard Tomic, Nick Kyrgios passed judgment on his erstwhile teammate before this week's first-round Davis Cup tie against the Czech Republic
Nick Kyrgios is positive about the improvement in his knee injury, and optimistic about the impact of the Davis Cup environment on a career that resumes this week after his Australian Open meltdown.
It wasn't just Roger Federer win the men's final at the Australian Open, but what he did afterwards, that showed what a class act he is.
Roger Federer got home very late, afer winning the Australian Open trophy he arrived in Melbourne three weeks ago thinking he was nowhere near ready to get close to again. Or was it very early? "I saw them this morning," said Federer, asked how his seven-year-old twin daughters had enjoyed the win. "As I walked in they woke up. So it was a bit of a weird moment, but still so great because they were in such a good mood as they woke up. It was an amazing half an hour, right there."
Unlike Bernard Tomic, there's no question marks over Kyrgios's commitment to the Australian Davis Cup team.
How do you renew a portrait of Roger Federer? He's a picture so complete that adding more colour will only serve to ruin it.
The Australian Open offered NBA-style on-court seating for the first time this year, priced at an exorbitant-sounding $25,000 Australian dollars, for the men's final for an up-close-and-personal experience.
On top of the enormity of winning his 18th grand slam in his first major tournament after an injury lay-off, Roger Federer had to overcome a thigh injury that plagued him for most of his memorable Australian Open campaign.
Did Donald Trump push the nuclear button overnight? Do tell, because it wouldn't have registered here, not while Roger Federer and Rafael Nadal were playing each other to such a standstill on centre court.
Roger Federer has ranked his 2017 Australian Open triumph and the 2009 French Open title that finally completed his grand slam set as two of his most significant and emotional career achievements.
He wasn't finished, after all. Roger Federer's grand slam-winning days were not done. More than four years after his most recent success, at Wimbledon, a secondary result of Federer's 18th major title – and possibly his greatest victory – is the improbability that his great nemesis Rafael Nadal can catch him now.
By lunchtime on Sunday Serena Williams was on her way home; the tennis circus doesn't pause for record holders or even let them get much sleep.
Australian Open 2017 delivered all the fun and excitement of ... Australian Open 2005. Retro tennis was a pleasing departure for this year's competition.
Rafael Nadal believes good things are still possible for him on hardcourts, having only narrowly failed to win his first title on the surface in three years in Sunday night's Australian Open final against Roger Federer.
Some are describing it as the most anticipated match in tennis history, at least certainly of the modern era.
Tennis great Margaret Court expects Serena Williams to break her all-time record for grand slam singles titles sooner rather than later, but says she won't be losing much sleep it.
The Canberra tennis star faces the decision of whether he wants to be great.
Given that few saw it coming, the question now is which way the dream Australian Open men's final will go. The slick court surface combined with an extended recovery time from a less physical semi-final point to Roger Federer over Rafael Nadal, according to several former greats, while others have declared the contest too close to call.
Sunday night's final has been declared the biggest Australian Open final in the tournament's 105-year history.
Tennis legend Evonne Goolagong Cawley believes Serena Williams will inevitably surpass Margaret Court's all-time grand slam title record - but that won't necessarily make her the greatest.
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