Venus and Serena Williams stormed into the semi-final s of the women's doubles at Wimbledon, beating Sania Mirza and Bethanie Mattek 6-4, 6-3 in the quarter-finals.
Serena Williams rallied past Denmark's Caroline Wozniacki on Saturday to reach the Western and Southern Open final in Cincinnati where she will face Ana Ivanovic, an upset winner over French Open champion Maria Sharapova.
Regaining the world's top ranking in women's tennis is less important to Maria Sharapova.
Serena Williams added to one of the longest resumes in sports by collecting the Sportsperson of the Year award from Sports Illustrated, becoming only the third individual woman to claim the honour since its 1956 inception. Williams, 34, won the first three grand slam singles titles of 2015 after taking last year's U.S. Open to hold all four crowns at once for her second career 'Serena Slam'.
World No 1 Serena Williams edged an enthralling battle with third-seed Simona Halep.
Serena Williams was recovering at her Los Angeles home after undergoing emergency treatment for a blood clot in one of her lungs, the former world number one confirmed on Wednesday.
Serena Williams began her campaign to return to World No. 1 at the Qatar Open by beating Russian Daria Gavrilova while Maria Sharapova, among the American's rivals for top spot, also progressed on Tuesday.
World number one Roger Federer, chasing the only Grand Slam title to elude him so far, faces gritty Spaniard Tommy Robredo.
This will be her first appearance at the tournament since she was ousted in the second round in 2017.
Serena Williams thrashed Russia's Dinara Safina 6-0, 6-3 on Saturday to win the Australian Open title and reclaim the world number one ranking. The American raced to victory in just 59 minutes to capture her fourth singles title at Melbourne Park, after her previous wins in 2003, 2005 and 2007, and her 10th Grand Slam overall.
Madison Keys, 29, is the fourth-oldest first-time Grand Slam champion in the professional era.
German Sabine Lisicki sent another seismic shockwave through Wimbledon on Monday when she sent five-times champion Serena Williams packing in fourth round, while Li Na and Petra Kvitova advanced to the quarter-finals.
Serena Williams crushed Romanian qualifier Simona Halep 6-3, 6-0 to book her place in the Italian Open final and extend her winning streak to 23 matches on Saturday.
World No 1 Serena Williams won a tense battle of U.S. Open champions by beating Australia's Samantha Stosur 7-6(7), 7-6(7) on Wednesday to reach the third round of the Western and Southern Open in Cincinnati.
Garbine Muguruza's chances of winning her maiden grand slam title -- and achieving the rare feat of beating Serena Williams twice in three years at Roland Garros -- may well depend on which version of the world number one turns up on Sunday.
World No. 1 Serena Williams fought back from a set down to beat Maria Sharapova 4-6, 6-3, 6-0 and win the Sony Open for a record sixth time on Saturday as she continued her dominance over her closest rival.
World number one and defending champion Serena Williams continued her serene progress at the Madrid Open tennis when she eased past Spanish wild card Lourdes Dominguez Lino 6-2, 7-5 in the second round on Tuesday.
World number one Serena Williams overcame a lethargic start to her Madrid Open title defence to seal an ultimately comfortable 7-6, 6-1 victory against teenage qualifier Yulia Putintseva of Kazakhstan in the first round on Sunday.
Aryna Sabalenka will battle American 19th seed Madison Keys in the final on Saturday looking to become the first woman since Martina Hingis from 1997-99 to win the Australian Open title three times in a row.
'She's a fighter on the court. She's playing really great, especially on the grass. She's attacking that ball really well. She doesn't let anything limit her'
Wimbledon champion Serena Williams battled past China's Li Na 6-3, 7-6 on Tuesday to reach the second round of the Stanford Classic, where she will be joined by sister Venus, after her 6-2, 6-3 victory over Canada's Stephanie Dubois. Two former Stanford champions were beaten on Tuesday, last year's winner Aleksandra Wozniak of Canada losing 6-4, 4-6, 7-5 to Daniela Hantuchova and 2007 champ Anna Chakvetadze was beaten 6-4, 5-7, 7-6 by Maria Kirilenko.
Despite Venus' misguided advice, Serena Williams beat Lucie Safarova 6-3, 3-6, 7-6.
A summary of Wednesday's action at the US Open on Day 3.
The mercury was rising at Wimbledon on Saturday as the serial trophy hunters gathered in the last 16 with defending champions Rafa Nadal, Serena Williams and Roger Federer leading the charge.
Top seed Serena Williams and her older sister Venus led a foursome of American women into the Australian Open fourth round on Saturday.
Roger Federer and Serena Williams had contrasting 2013 seasons but both kick off their new campaigns at the Brisbane International this week showing no signs just yet of calling time on their illustrious careers.
Serena Williams and Victoria Azarenka stormed into the final of the US Open with crushing victories in Friday's semis to set up a classic showdown between the greatest player of her generation and the current world number one.
The victory gave the world No.1 a place in the final of the \n\nFamily Circle Cup, against Justine Henin-Hardenne.\n\n
Serena Williams said she did not know her coach was giving her instructions and had "never cheated in her life" after her hopes of winning a 24th Grand Slam title ended in extraordinary scenes at the US Open on Saturday.
Maria Sharapova must be driving herself crazy every time she steps on court to face Serena Williams.
Serena Williams beat Slovenia's Katarina Srebotnik 4-6, 6-4, 6-3 to reach the Family Circle Cup quarter-finals. The fifth-seeded American won the last eight points to set up a clash with Russian number two seed Maria Sharapova, who defeated Ukrainian Tatiana Perebiynis 7-5, 6-2.
Serena Williams breezed past Romanian Edina Gallovits 6-1, 6-2 while Justine Henin beat Angelique Kerber of Germany 6-4, 6-2.
Serena Williams celebrated American Independence Day by beating sister Venus 7-6, 6-2 to win her third Wimbledon singles title on Saturday.
Serena Williams is "at the end of (her) rope" after several physical setbacks that have kept her off the court since July.
Defending champion Serena Williams reached the semi-finals of the Western & Southern tournament in Cincinnati but not before having her mettle tested in a 3-6, 6-4, 6-2 win over sixth-seeded Serb Ana Ivanovic on Friday.
Dinara Safina won a great scrap with fifth seed Serena Williams 2-6, 6-1, 7-6 to reach the German Open semi-finals.
Comeback queen Serena Williams crushed Germany's Sabine Lisicki 6-1, 6-2 to move into the final of the Stanford Classic on Saturday.
Serena will be chasing her seventh grand slam title on Saturday against a 17-year-old who has taken her second Wimbledon by storm.
Sisters Serena and Venus Williams marched into the quarter-finals of the Miami Open after straight-set wins at Key Biscayne on Monday.