Top seed Venus Williams was stunned in the first round of the Memphis International by Czech qualifier Petra Kvitova.
Venus Williams suffered a shock 4-6, 7-6, 6-4 defeat by France's Virginie Razzano in the Japan Open final.
Venus Williams bravely fought off five match points to stun third seed Patty Schnyder 2-6, 7-6, 6-2 to enter the final in Stanford
Wimbledon champion Venus Williams blasted past Alona Bondarenko of Ukraine 6-1 6-2 on Friday to charge into the fourth round of the U.S. Open.
Venus Williams was not prepared to even countenance the suggestion she could potentially meet younger sister Serena in the Australian Open final after she advanced to the quarter-finals with a 6-3, 7-5 victory over Mona Barthel on Sunday.
Kim Clijsters beat Nadia Petrova 7-5, 6-7, 6-1 to set up a quarter-final clash with Venus Williams at the Antwerp Diamond Games.
Maria Sharapova missed out on a third successive 'double-bagel' but humbled Venus Williams 6-1, 6-3 to charge into the fourth round of the Australian Open on Friday.
Venus Williams went the way of sister Serena, battered by a Serb baseliner, losing to fourth seed Ana Ivanovic in the quarter-finals of the Australian Open.
Venus Williams said her sister Serena was a fighter and was determined to play on at the Australian Open, despite rolling her ankle in the first round, reports AFP.
Venus Williams and Ana Ivanovic thundered into the Australian Open quarter-finals and Roger Federer overcome his second stern test of the tournament to reach the last eight.
The twice Wimbledon champion scored an easy victory over Katarina Srebotnik
It took less than two brutal hours at Wimbledon on Monday to disprove the theory that Serena and Venus Williams could march back to continue their domination of the grasscourt slam having hardly swung their rackets in anger for months.
Venus Williams, the 2000 and 2001 champion was shocked by Croatia's Karolina Sprem in the second round at Wimbledon.
Holder Venus Williams launched her bid for a sixth Wimbledon title with a competitive 6-3, 6-2 victory over Swiss teenager Stefanie Voegele on Tuesday.
Champion Venus Williams powered through to her seventh Wimbledon final with a 6-1, 7-6 victory over Russian Elena Dementieva.
Champion Venus Williams and second seed Rafael Nadal survived a few anxious moments to reach the third round of Wimbledon. Williams, seeking a fifth singles title at the All England Club, had to draw on all her big-match experience to repel world number 92 Anne Keothavong 7-5, 6-2 while Nadal also endured some first-set jitters before toppling rising Latvian Ernests Gulbis 5-7, 6-2, 7-6, 6-3.
American Venus Williams crushed Russia's Maria Sharapova 6-2, 6-2, while her younger sister Serena was upset by Australia's Samantha Stosur in the quarter-finals of the Stanford Classic on Friday.
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)'.
The sun beat down from a cloudless Parisian sky on Sunday as the French Open began with a sultry Venus Williams raising the on-court temperature and French favourite Jo-Wilfried Tsonga almost getting caught cold.
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.
Venus Williams said she was 'overjoyed' that Wimbledon organisers gave women the spotlight on the tournament's main showcourts on Wednesday.
The tournament will see the Williams sisters appearing together for the first time outside the Grand Slams.
Venus Williams overwhelmed third-seeded Russian Dinara Safina 6-4, 6-2 to reach the semi-finals of the Stuttgart Grand Prix.
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.
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.
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.
Champion Venus Williams was knocked out of the Family Circle Cup beaten 7-5, 6-4 by 17-year-old Tatiana Golovin of France.
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 has pulled out of the upcoming Brisbane International after suffering a 'setback' in training
She beat fifth seed Justine Henin-Hardenne 6-3 6-3 in 74 minutes.
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.
Fourth-seeded Venus Williams outpowered Bulgarian Tatiana Poutchek 6-1 6-2 to move into the second round of the Istanbul Cup on Tuesday.
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.
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.