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.
Williams's bra was a clear violation of the All England Lawn Tennis Club's dress rules which state that 'any undergarments that either are or can be visible during play (including due to perspiration) must also be completely white except for a single trim of colour no wider than one centimetre (10mm)'.
Venus Williams overwhelmed third-seeded Russian Dinara Safina 6-4, 6-2 to reach the semi-finals of the Stuttgart Grand Prix.
The tournament will see the Williams sisters appearing together for the first time outside the Grand Slams.
Second seed Venus Williams needed three sets to beat battling Indian Sania Mirza 6-1 3-6 6-2 in the second round of the Family Circle Cup on Wednesday. After dominating the opening set, American Williams found herself in trouble in the second with the 100th-ranked Indian producing some great defence to save 10 out of 11 break points while breaking the American twice. Williams finally took control of the match in the third set.
The president of the Russian Tennis Federation Shamil Tarpischev has been fined $25,000 and banned from the women's tour for a year after referring to Serena and Venus Williams as "the Williams brothers" on a television chat show last week.
Champion Venus Williams was knocked out of the Family Circle Cup beaten 7-5, 6-4 by 17-year-old Tatiana Golovin of France.
Karolina Pliskova ruined any chance of another Flushing Meadows sister showdown as she claimed a dramatic 4-6, 6-4, 7-6(3) win over sixth-seeded Venus Williams on Monday to reach the US Open quarter-finals.
She beat fifth seed Justine Henin-Hardenne 6-3 6-3 in 74 minutes.
Third seed Venus Williams was eliminated in the third round of the French Open, beaten 6-0, 6-4 by Hungary's Agnes Szavay on Friday.
Venus Williams and Vera Zvonareva registered second-round victories at the Advanta Championships in Philadelphia on Thursday.
Venus Williams gave a supreme effort in the Fed Cup semi-final against Russia after coming off the high of winning her fourth Wimbledon title but came up short in Sunday's decisive doubles match in Stowe, Vermont.
Venus Williams said she was 'overjoyed' that Wimbledon organisers gave women the spotlight on the tournament's main showcourts on Wednesday.
Fourth-seeded Venus Williams outpowered Bulgarian Tatiana Poutchek 6-1 6-2 to move into the second round of the Istanbul Cup on Tuesday.
"So far I like what I see. But I think with Venus, if she could just go to net more often," said the six-time Wimbledon champ.
Venus Williams will make her Hopman Cup debut in Perth later this year, partnering John Isner to represent the United States in the mixed international tournament, organisers said on Wednesday.
Top seed Venus Williams beat Flavia Pennetta while the Russian accounted for Eleni Daniilidou of Greece in Saturday's semi-finals.
Venus Williams will play Vera Zvonareva in the final of the WTA Championships after both women achieved difficult three-set victories on Saturday. Wimbledon champion Williams overcame Serbian world number one Jelena Jankovic 6-2, 2-6, 6-3, and Zvonareva beat fellow-Russian Elena Dementieva 7-6, 3-6, 6-3.
Belgian Kim Clijsters brought a swift end to Venus Williams's 15-match winning streak with a 6-2, 6-1 win in the Sony Ericsson Open final on Saturday. The 14th seed needed only 58 minutes to defeat the third-seeded American, who played with bandaging on both legs and said afterwards she may have trained too hard during the tournament.
Venus Williams has pulled out of the upcoming Brisbane International after suffering a 'setback' in training
Serena Williams crushed older sister Venus 6-1, 6-2 in a shockingly subdued third round clash at the US Open on Friday to stay on track for a record equalling 24th Grand Slam title.
Elena Vesnina denied Venus Williams another comeback win, while Kristina Mladenovic roared back from a set and a break down to beat Caroline Wozniacki on Thursday to reach the semi-finals of the BNP Paribas Open at Indian Wells.
Reader Girish sent us these pictures from Bangalore.
Venus Williams, battling a mystery bug and a dogged opponent who refused to lie down, advanced to the third round of the Family Circle Cup in Charleston on Wednesday.
Injury-hampered Venus Williams made a first-round exit at the Dubai Open on Monday.
Asked if she could have all her titles and Venus all hers without having ever had to play each other, Serena said she would happily accept that deal.
Confident Venus Williams has her heart set on a glittering prize at this week's Antwerp Open.
Serena and Venus Williams were among six players nominated for the US Olympic women's team to compete in next month's London Olympics, the US Tennis Association (USTA) said on Tuesday.
Maria Sharapova defeated French qualifier Stephanie Foretz 6-1, 6-4 while Venus Williams survived British wildcard Naomi Cavaday.
Wimbledon champion Venus Williams will get back into serious action on Saturday when she plays the second singles rubber against Nadia Petrova, in the Fed Cup semi-final.
The two players bowed out in the quarter-finals of the Advanta Championships in Philadelphia.
Second seed Venus Williams tumbled out of the Family Circle Cup on Thursday, succumbing 6-4 7-6 to big-serving German Sabine Lisicki in the third round. The American, who had to battle the previous day before beating Indian Sania Mirza in three sets, lost the match in 87 minutes after the 16th-seeded German took the tiebreak 7-5.
Venus Williams, who had advanced to the quarter-finals, pulled out of the China Open with a left knee injury
Rafael Nadal took a while to warm up but made an impressive start to his Wimbledon title defence with a 6-4, 6-2, 6-2 win over American Michael Russell as the 125th championships began in fine weather on Monday.
