A win by Venus would keep the 35-year-old on track for a first grand slam title since 2008 Wimbledon and a possible return to the US Open final where she first made the final in her debut in 1997. But a victory would end little sister Serena's quest for the rarest of tennis feats -- a calendar-year grand slam.
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.
World number one Serena Williams opened her US Open account with a tidy 6-3, 6-3 win over Ekaterina Makarova on Tuesday, to join her sister Venus in the second round of the year's final Grand Slam.
The Swiss great is looking to win a 102nd tour-level trophy and move closer to Jimmy Connors' record of 109.
Novak Djokovic held off a Roger Federer fightback as he reached the final of the Australian Open for the fifth time in six years. Poland's Agnieszka Radwanska was taken apart 6-0 6-4 by the reigning women's champion Serena Williams.
2016 is at the halfway stage and the year has already seen some stunning sporting wins, underdogs emerging triumphant on the biggest stages of them all.
Images from Day 3 of the 2016 Australian Open in Melbourne, on Wednesday
World No 1 Serena Williams swept past good friend Caroline Wozniacki 6-3, 6-3 in the US Open final on Sunday to move up in the record books with her 18th grand slam title.
List of Wimbledon women's singles champions:
Jelena Ostapenko became only the sixth female Grand Slam champion to lose in the opening round of their title defence on Sunday when she lost to Kateryna Kozlova at the French Open.
Serena Williams and Marin Cilic both survived third round scares on Friday to keep their US Open title defences on track but there was no escape for Rafael Nadal with the twice-winner going down in a late night thriller.
Serbian Djokovic, 31, needed elbow surgery in February to cure a problem that surfaced in 2017, but after some jarring defeats he returned to the kind of domination he achieved in 2015, winning Wimbledon and the US Open.
German Sabine Lisicki held her nerve to beat Polish fourth seed Agnieszka Radwanska 6-4, 2-6, 9-7 in a gripping semi-final on Thursday and reach her first Wimbledon final.
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.
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.
Images from Day 6 of the Australian Open in Melbourne, on Saturday.
PHOTOS from day seven of the Wimbledon championships at the All England Lawn Tennis and Croquet Club in London on Monday
The Argentine, making his first appearance at Wimbledon since reaching the semi-finals in 2013, held aloft his arms in triumph after condemning twice Grand Slam champion Stan Wawrinka to his earliest defeat at the All England Club for three years.
Roger Federer's countless fans did not have enough of him on his rare Indian sojourn, and the Swiss superstar reciprocated their feelings saying that one day he will travel the 'beautiful country in a big way'.
Photos from the US Open matches played on Monday
Second seed Garbine Muguruza, bidding to add the Wimbledon crown to her French Open title, was sensationally beaten in the second round on Thursday by Slovakian qualifier Jana Cepelova 6-3, 6-2 in the shock of the tournament so far.
'Even with the restrictions of depositing more than Rs 2.5 lakh in a bank, people will find new methods to convert this cash hoard into legal tender.'
It was a day of surprises at Flushing Meadows in New York as seeded players were knocked out one after the other on Friday.
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.