Coco Vandeweghe was in two minds whether to answer the call when an unknown number with a strange international dialling code popped up on her telephone last year.
Australian great Margaret Court won 24 grand slam singles titles, one ahead of American Williams, who confirmed she was pregnant on Wednesday and will sit out the rest of the season.
World number four Petra Kvitova sealed the Fed Cup title for the Czech Republic with a thrilling win over Germany's Angelique Kerber, giving her country its third success in the premier team tournament in women's tennis in the last four years.
Dhruv Munjal insists that women's tennis needs a golden generation, one that can make matches competitive and viewing more riveting.
'Ms Williams has had multiple on-court implosions in the past and got penalised for them, too.' 'She cried sexism this time perhaps because she knew the atmosphere was ripe for it,' notes Shuma Raha.
The Indian pair was beaten by Zi Yan and Jie Zheng in the quarter-finals at the Hyderabad Open.
With five of the top 10 in the current rankings aged 28 or older, form suggests another pair of seasoned campaigners could contest the title match at the French Open, which starts in Paris on Sunday.
Nothing, absolutely nothing could stop Serena Williams from completing the magnificent TWO-O on Saturday and the American joyously bounced around as she hoisted a Grand Slam singles trophy for the 20th time with victory at the French Open.
'He will always be an enigma.' 'But it's because of players like him that some people still watch doubles matches.'
Serena Williams and friend Caroline Wozniacki arranged a get-together in the US Open women's final, winning their Friday semi-finals in contrasting fashion on a stifling hot, humid day at Flushing Meadows.
Andy Murray may have a dismal record in the Australian Open final, but he is not the only tennis star to come up short at the majors.
It was Kristyna's first win over a top-five ranked player and she will go on to play fellow Czech Barbora Strycova in the quarter-finals.
India's tennis star Sania Mirza retained her numero uno status in women's doubles for the second consecutive year, despite failing to defend the WTA Finals Singapore title with partner Martina Hingis. Defending champions Sania and Hingis had lost to Ekaterina Makarova and Elena Vesnina in the semi-finals of the WTA Finals Singapore on Saturday.
IMAGES from Day 4 of the Wimbledon Champions at the All England Lawn Tennis and Croquet Club, London, on Thursday
Playing tennis professionally can be difficult physically, mentally and emotionally. But the tennis courts have often been the venue for for blossoming romance as love-struck couples decide it is game, set and match.
Top 10 seeds David Ferrer, Tomas Berdych, Stan Wawrinka and Richard Gasquet raced into the second round of the Australian Open on Monday, apparently eager to make the most of relatively mild conditions at Melbourne Park.
Roger Federer put his global army of "Fed-Head" fans through the wringer for four nerve-shredding sets before he kept alive his pursuit of a record eighth Wimbledon title with a 6-7(4) 4-6 6-3 7-6(9) 6-3 win over Marin Cilic the quarter-finals on Wednesday. Novak Djokovic's shock third round exit had raised hopes that this could be the week when the Swiss finally ends his four-year hunt for an 18th grand slam title, as the Serb had been the only man to beat him at the majors over the past year.
The Swiss great is looking to win a 102nd tour-level trophy and move closer to Jimmy Connors' record of 109.
Summary of sports events and persons who made news on Wednesday
PHOTOS from day seven of the Wimbledon championships at the All England Lawn Tennis and Croquet Club in London on Monday
As preparations for the Rio Olympics gather pace, India may be headed for yet another paltry medal haul.
Croatian ninth seed Marin Cilic reached the Wimbledon quarter-finals for the third year running after Kei Nishikori quit with a rib injury midway through their fourth round match on Monday.