The Serbian second seed's match against France's Adrian Mannarino was delayed because of the epic five-setter between Gilles Muller and Rafael Nadal.
Indian tennis ace Sania Mirza and her Czech Republic partner Barbora Strycova stormed into the quarterfinals of the US Open with a straight sets victory in the women's doubles event on Tuesday.
Vandeweghe, who had been suffering from flu, told reporters that Babos had been "getting in my face", prompting her to shout at her and fling her racket to the ground.
Venus Williams and CoCo Vandeweghe won the opening singles matches to give holders the United States a commanding 2-0 lead in their Fed Cup World Group opener against the Netherlands in Asheville, North Carolina on Saturday.
A rampaging Madison Keys completed an American sweep of the US Open women's quarter-finals on Wednesday, dismissing Estonia's Kaia Kanepi 6-3, 6-3 to guarantee an American champion at the year's final Grand Slam.
PHOTOS from day seven of the Wimbledon championships at the All England Lawn Tennis in London on Tuesday.
Indian tennis stars Sania Mirza and Rohan Bopanna advanced to the quarter-finals of the women's and mixed doubles events respectively after notching up contrasting victories with their partners at the Australian Open.
Indian tennis star Sania Mirza received a confidence booster ahead of the US Open Grand Slam tournament beginning, on Monday, with a doubles title victory at the Connecticut Open with Monica Niculescu of Romania, in New Haven, USA.
PHOTOS from day four of the Wimbledon championships at the All England Lawn Tennis and Croquet Club in London on Saturday
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.
World number one Karolina Pliskova needed just 46 minutes to defeat American Jennifer Brady 6-1, 6-0 at Arthur Ashe Stadium and punch her ticket to the quarter-finals at the US Open on Monday.
IMAGES of the all the action from Day 1 of the Australian Open played at Melbourne Park on Monday
The 23-year-old Kazakh, whose previous best performance in a Grand Slam was reaching the quarter-final at the French Open last year, would like TO create history on the hallowed turf of the All England Lawn Tennis and Croquet Club.
Top seed Roger Federer reached the Halle Open semi-finals on Friday, beating defending champion Florian Mayer 6-3, 6-4 and edging closer to a ninth title at the Wimbledon tune-up event.
Federer, who skipped the entire clay court season after winning the Australian Open and claiming titles at Indian Wells and Miami this year, will next play defending champion Florian Mayer who beat Frenchman Lucas Pouille in three sets.
The 17th seed has been in no-nonsense mood so far in Melbourne, moving through the rounds with the minimum of fanfare, but faces her biggest test against the German.
Defending champion Donna Vekic, of Croatia, earned a hard-fought win over British wild card Gabriella Taylor 7-5, 5-7, 7-6(3).
An Australian Open electrified by the revivals of seasoned champions will bathe in the warm glow of nostalgia on Saturday when the Williams sisters contest the women's final at Rod Laver Arena.
PHOTOS from day seven of the Wimbledon championships at the All England Lawn Tennis and Croquet Club in London on Monday
Olympic and Wimbledon champion Andy Murray picked up where he left off in Rio by drubbing Argentina's Juan Monaco to take his place in the third round of the Western & Southern Open in Cincinnati on Wednesday.
Naomi Osaka eased into the second round of the Italian Open on Monday with a 6-0, 6-3 victory over former world number one Victoria Azarenka, on a day in which local favourite Roberta Vinci called time on her career.
Venus Williams continued her astonishing late-career revival by felling Anastasia Pavlyuchenkova 6-4, 7-6(3) on Tuesday to reach her first Australian Open semi-final in 14 years.
Top seed Roger Federer will challenge for a ninth Halle Open title after reaching the Wimbledon warm-up event final with a 6-4 7-6(5) victory over rising Russian talent Karen Khachanov on Saturday.
Venus Williams will take on compatriot Sloane Stephens in one semi-final before her fellow Americans Madison Keys battles it out with CoCo Vandeweghe in the other in all-American semi-final in the women's singles at the US Open.
Croatia clinched a place in next year's World Cup finals on Sunday after holding Greece to a goalless draw at the Georgios Karaiskakis stadium in Athens to complete a 4-1 aggregate victory in their playoff tie.
Former World No 1 Caroline Wozniacki reached the quarter-finals of Eastbourne's Aegon Championships with a topsy-turvy defeat of Svetlana Kuznetsova on Wednesday.
Aryna Sabalenka of Belarus and Paula Badosa of Spain, earned second-round wins
" As six-time Melbourne Park champion, Serena will be clear favourite, of course, more so because she has reached her 34th grand slam semi-final without losing a set. Lucic-Baroni's path to the last four has been more of a battle, as befits a woman who has overcome huge adversity to get back to the top of the game after years in the wilderness.
With fire in their bellies, former Grand Slam champs Rafael Nadal and Roger Federer are targetting a fresh return to the tennis courts in 2017.
Novak Djokovic barely got out of first gear but had more than enough in the tank to beat Briton Kyle Edmund 6-3, 6-3 in the second round of the Miami Open on Friday.
Keys is expected to be the aggressor on Arthur Ashe Stadium against a more defensive Stephens, one of the best retrievers on the tour.
As Russian Maria Sharapova and American Serena Williams get ready to slug it out in their big-ticket semi-final, records and history tells us who has had the upper hand.
The success of the American women at this year's US Open is nothing else than a reward from the Williams sisters' inspiration
Madison Brengle could conceivably be the new face of advertising campaigns Down Under that urge people to 'slip, slop, slap' during the scorching summer months to help Australians and New Zealanders to lower the risk of skin cancers.
Here is a player profile, a look at the form and records of American Madison Keys and compatriot Sloane Stephens ahead of Saturday's US Open final (prefix number denotes seeding)
Keys and Stephens to put friendship to grand slam test
The 30-year-old is the first German woman to win Wimbledon since Steffi Graf in 1996.
The Indian qualifier, who savoured his best ever performance on the ATP World Tour, went down fighting 4-6, 6-4, 3-6 against the world number 45 from South Africa in the quarter-finals played on Friday.
Sania, the country's finest woman doubles player, who began the year with the number one ranking, closed it at number 9.
Zverev defeated Anderson 6-4, 6-4 and captured his fourth title of the year in the finals played on Sunday.