Unseeded Australian Daria Gavrilova upset fifth seed Petra Kvitova, of the Czech Republic, 6-2, 6-1 in the first round of the China Open on Saturday as Serbia's Aleksandra Krunic showed stunning powers of recovery to pull off her own shock win over sixth seed Elina Svitolina.
Britain's rise from embarrassing Davis Cup lightweights to title contenders has been nothing short of spectacular and they will begin slight favourites to reach a first final in 37 years against Australia on Friday.
World No 1 Novak Djokovic and fourth-seeded Andy Murray each had to contend with different degrees of adversity before they advanced.
Top seeds Novak Djokovic and Serena Williams face challenging early tests at the US Open following Friday's draws for the year's last Grand Slam starting on Monday.
Earlier on Wednesday, Czech Karolina Pliskova was forced to withdraw from the tournament due to a viral illness.
Australia's Davis Cup captain Pat Rafter has enjoyed smiting foes in the senior's tour since his retirement, but fears he may have bitten off more than he can chew by agreeing to partner Lleyton Hewitt in the Australian Open doubles.
Novak Djokovic urged people to think about Brazilians who are having to live with the Zika outbreak on a daily basis rather than worrying about how the situation might affect those travelling to the country for the Rio Olympics in August.
It was job well done for Novak Djokovic as he silenced Bernard Tomic and his Australian Fanatics with an emphatic 6-3, 6-3, 6-3 victory in the Wimbledon third round on Friday.
Serbia carved out a 2-0 lead over rivals Croatia while Britain led the US by the same score and holders Switzerland were tied with Belgium in the Davis Cup.
Forty years have passed since Chris O'Neil held the Daphne Akhurst Memorial Cup aloft as the last Australian women's champion in 1978.
Novak Djokovic continued his Wimbledon preparations by beating American Donald Young 6-2, 7-6(9) on Thursday to reach the semi-finals of the Aegon International tournament at Eastbourne.
Defending champion Serena Williams is the top seed in the women's draw. The American will be looking to equal Steffi Graf's Open era record by sealing a 22nd Grand Slam triumph.
Roger Federer guided Switzerland to victory in their Davis Cup World Group playoff tie against the Netherlands with an easy 6-3, 6-2, 6-4 victory over Thiemo de Bakker on Sunday.
Leonardo Mayer beat Joao Souza in a Davis Cup singles match that lasted a record six hours and 42 minutes.
Top seed Agnieszka Radwanska's title defence at the Sydney International lasted just 92 minutes when she was dumped out of the second round by Bethanie Mattek-Sands on Tuesday.
Simona Halep and Stan Wawrinka beat the heat with straight-sets wins to reach the third round of a sweltering US Open on Thursday while American hope Jack Sock wilted under the punishing conditions, collapsing on court.
Bernard Tomic is set to sit out the Australian Open after Tennis Australia (TA) decided not to award him a wildcard to the main draw, the organisers said on Thursday.
Third seed Rafael Nadal battled through mid-match cramps for more than an hour before he lurched into the third round of the Australian Open with a 6-2, 3-6, 6-7(2), 6-3, 7-5 victory over American qualifier Tim Smyzcek.
Images from all the action on Day 3 at the Australian Open in Melbourne on Wednesday
Images from Day 1 at the Australian Open.
Novak Djokovic outclassed Finland's Jarkko Nieminen 6-4, 6-2, 6-3 to move safely into the Wimbledon third round on Wednesday.
Factbox on Serbia's Novak Djokovic and Great Britain's Andy Murray who will contest his sixth Australian Open men's singles final on Sunday.
Konta first British woman in US Open last 16 since 1991
A summary of sports events and persons who made news on Thursday
A summary of Day 2 at Wimbledon on Tuesday.
A summary of sports events and persons who made news on Friday
World No 1 Serena Williams kept her Wimbledon title defence on track on Sunday, downing Germany's Annika Beck 6-3, 6-0 with a crushing display of power and booming serves.
IMAGES from the matches played on Day 2 of the Wimbledon Lawn Tennis Championships at All England Lawn Tennis and Croquet Club on Tuesday.
Images from Sunday's action at the Australian Open.
IMAGES from Day 3 of the US Open in New York on Wednesday.
It was a day of surprises at Flushing Meadows in New York as seeded players were knocked out one after the other on Friday.