Four-time champion Serena Williams made an excellent start to Wimbledon on Tuesday, coming through an athletic first-round match against Czech Barbora Zahlavova Strycova that was tougher than the 6-2, 6-4 scoreline would suggest.
Serena Williams was bundled out of the Australian Open on Monday, losing her fourth-round match to Russian world number 56 Ekaterina Makarova 6-2, 6-3 on a scorching day at Rod Laver Arena.
But matches between Venus and Serena are captivating, highly charged yet often disappointing affairs.
Images from Day Nine of the 2013 US Open in New York on Tuesday.
Maria Sharapova will face Serena Williams in the final of the Sony Open while Britain's Andy Murray will take on France's Richard Gasquet in the men's semi-finals after grinding down Croatian Marin Cilic.
Photos of the Australian Open matches
Serena Williams, coming off a double Olympic gold medal-winning performance in London, said she was feeling the pace of a hectic schedule after a lethargic display in her 6-3, 6-0 win over Urszula Radwanska on Thursday.
Third-seeded Serb Jelena Jankovic beat the defending champion in straighht sets in the quarter-finals of the Australian Open.
Sluggish Serena Williams struggled through her jet lag to complete a 6-2, 6-1 victory over collegiate champion Nicole Gibbs in the second round of the Stanford Classic on Wednesday.
Second seed Serena Williams admitted closing the roof on Rod Laver Arena because of the soaring temperatures helped her battle back from a first set deficit to beat Svetlana Kuznetsova 5-7, 7-5, 6-1 on Wednesday. The American's victory prevented a Russian sweep of the Australian Open semi-finals and she will now play Elena Dementieva in the last four on Thursday.
Serena Williams stayed on course for a fourth Sony Ericsson Open title with a ruthless 6-1 6-4 win over Czech Nicole Vaidisova in the quarter-finals on Wednesday.
Serena Williams won her third title of the year by beating Russian Vera Zvonareva 6-4, 3-6, 6-3 in the Family Circle Cup final.
Sloane Stephens has denied she was celebrating the shock fourth round exit of World No 1 Serena Williams and said she felt the television footage was intrusive.
The 37-year-old knows that if she wants to hoist the Rosewater Dish for an eighth time, she needs to improve in all departments.
Victoria Azarenka, the 19-year-old from Belarus, thrashed injury-hampered world number one Serena Williams 6-3m 6-1 to win the Sony Ericsson Open on Saturday. The victory, the first top-tier triumph for Azarenka, stopped the American claiming a record sixth title at Key Biscayne.
Six months after she nearly died, Serena Williams is closing in on what could be the greatest achievement of her incredible career.
Serena Williams has set a single-season prize money record on the women's tour by earning $6,545,586 in 2009, according to the Women's Tennis Association.
Serena Williams and Roger Federer both enjoyed Sunday afternoon strolls at Roland Garros as they seized the opportunity to gain head starts over their French Open rivals in ruthless fashion.
World number ones Serena Williams and Roger Federer showed little gratitude to their hosts as they knocked out the last remaining home players on Monday to reach the quarter-finals of the Australian Open.
Serena Williams destroyed Denmark's Caroline Wozniacki 6-2, 6-4 in the US Open semi-finals on Saturday to join Australia's Sam Stosur in the final at Flushing Meadows. Stosur earlier earned her place in the championship decider with a 6-3, 2-6, 6-2 win over unseeded German Angelique Kerber.
Former world number one Serena Williams has pulled out of the Cincinnati Open with a toe injury, tournament organisers said on Wednesday.
Serena Williams continued her love affair with Melbourne by easing to an emphatic 6-3, 6-4 victory over an in-form Elena Dementieva to advance to a fourth Australian Open final in Melbourne on Thursday. The 27-year-old Williams will meet another Russian in the title match, taking on third seed Dinara Safina, who overpowered compatriot Vera Zvonareva 6-3, 7-6.
Serena Williams has withdrawn from next week's Stanford Classic due to a thumb injury, organisers said on Thursday.
Serena Williams is already assured a place in tennis history but her coach believes the 16-time Grand Slam champion will soon embroider her status among the greats.
The WTA Bangalore Open event will take place in February.
World number one Serena Williams marched into the semi-finals of the WTA Championships on Thursday with a comfortable win over Elena Dementieva while sister Venus kept her title hopes alive long after midnight.
Along with film stars and fashion icons, sports stars and their better halves also showed off their whacky creations on the pink carpet.
Williams broke down in tears at her post-match news conference when asked about the behaviour of the Parisian crowd.
She beat fellow-American Lindsay Davenport 2-6, 6-3, 6-0 in the final.
The women's seedings at Wimbledon usually follow the WTA rankings list but can be tweaked by the All England Club in special circumstances.
Venus and Serena Williams served their way into the U.S. Open quarter-finals with impressive straight-sets victories Sunday, setting up a possible clash between the American sisters in the final four.
Simona Halep is emerging as one of the few players on Tour.
Serena Williams withdrew from the Dubai Championships because of a lower back injury just minutes before she was due on court for a second round match against Frenchwoman Marion Bartoli on Wednesday.
Serena Williams fought off swirling winds and a bold challenge by Czech Klara Zakopalova to reach the second round of the French Open with a 6-3, 6-7, 6-4 win on Tuesday.
World No. 1 Serena Williams bounced back from a set down to defeat former top ranked Jelena Jankovic of Serbia 3-6, 6-0, 6-2 and win her third Family Circle Cup title on Sunday.
Serena Williams' Australian Open ended with her ankle swollen to the size of a balloon, a spasming back and a quarter-final loss to a young pretender on Wednesday, a two week period that she described as the worst she had experienced at a Grand Slam.
Serena Williams' bid for a rare calendar-year Grand Slam came to a shuddering halt at the U.S. Open on Friday when the three-times defending champion suffered a stunning 2-6, 6-4, 6-4 loss to unseeded Italian Roberta Vinci.
Top seed Serena Williams said her "psycho" side is under wraps after motoring into the third round of the French Open with a 6-1, 6-2 defeat of French wildcard Caroline Garcia on Wednesday.