Serena Williams started her quest to join Chris Evert and Martina Navratilova in joint fourth place on the career Grand Slam list with a 6-3, 6-1 victory over 18-year-old fellow American Taylor Townsend at the US Open on Tuesday.
Images from matches played on Day 4 at the US Open at the Flushing Meadows in New York on Thursday.
Also making it to the last eight were Svetlana Kuznetsova and Czech teenager Nicole Vaidisova.
World number one Serena Williams saved three set points on her way to edging Russian Maria Kirilenko 7-5, 7-5 on Thursday to advance to the quarter-finals of the China Open with her 70th win of the season.
Serena Williams has pulled out of the US Open because she is still recovering from surgery on her right foot, the American world number one said on Friday. Williams, who won her 13th Grand Slam at Wimbledon earlier this year, cut her foot on broken glass at a restaurant in July and has not played since.
Serena Williams continued her inconsistent play but rolled into the third round of the U.S. Open with a 7-5 6-2 victory over Italian Maria Elena Camerin on Wednesday.
Serbia's Ana Ivanovic stunned World No 1 Serena Williams at the Australian Open on Sunday with a 4-6, 6-3, 6-3 fourth-round upset at Rod Laver Arena.
World number one Serena Williams credited an on-court coffee for her recovery after she stormed back from a first set bagel to beat Italy's Flavia Pennetta in her opening match of the year at the Hopman Cup on Monday.
Women's No 1 Serena Williams remained on track for her 60th career title as she powered past Peng Shuai 6-2, 6-3 while Rafael Nadal launched the defence of his Madrid Open title.
Tournament favourite Serena Williams withdrew from the Italian Open on Saturday with a lower back injury, the WTA said.
Victoria Azarenka and Serena Williams will square off for the Madrid Open title after the current and former World No. 1's swept into the final with a minimum of fuss on Saturday.
Serena Williams marked her first European appearance of the season with victory on the Madrid Open's striking blue clay courts on Monday, but her sister Venus crashed out in the second round.
American Serena Williams won her fourth Wimbledon singles title on Saturday when she crushed Russian 21st seed Vera Zvonareva 6-3, 6-2 in the final at the All England Club.
Defending champion Serena Williams withstood stiff early resistance from unseeded Czech Petra Kvitova before winning 7-6, 6-2 to reach her sixth Wimbledon singles final on Thursday. She will meet Vera Zvonareva, who survived an early wobble before scoring a 3-6, 6-3, 6-2 victory over unseeded Bulgarian Tsvetana Pironkova in the other semi-final.
Belgium's Yanina Wickmayer labored past Kai-Chen Chang 7-5, 2-6, 7-5 in the first round of the Stanford Classic on Monday but all eyes will be on Wimbledon champion Serena Williams who begins her title defense on Wednesday.
A display of violent hitting from Robin Soderling on Saturday showed why it is always unwise to ignore a Swede at the business end of Wimbledon as Serena Williams gave herself a 'must do better' report as she eased into round four.
American Serena Williams powered her way to a fifth Wimbledon singles title with an explosive start and a cool finish after a mid-match meltdown to beat Poland's Agnieszka Radwanska 6-1, 5-7, 6-2 on Saturday.
The caricature of an angry Williams -- with exaggerated lips and tongue and a wild plume of curly hair rising above her head as she stomped on her tennis racket -- was condemned as racist by civil rights leaders, celebrities and fans.
Serena Williams roared into a her seventh Wimbledon singles final with a 6-3, 7-6 victory over Victoria Azarenka on Thursday. She will face Poland's Agnieszka Radwanska in Saturday's final.
A subdued Serena Williams recovered from a sluggish start to beat China's Zheng Jie 6-7, 6-2, 9-7 in a marathon Wimbledon third-round match on Saturday.
A pep talk from dad Richard and a timely downpour over Roland Garros rescued Serena Williams from an embarrassing first-round exit at the French Open on Sunday.