England captured two more swimming gold medals, the second coming with a stunning men's relay upset of Australia.
Williams sisters Serena and Venus had been hoping to provide fans with the first all-Williams sisters clash at a Grand Slam since the 2009 Wimbledon final in the semi-finals.
List of Wimbledon women's singles champions:
Former world number one and 2004 Wimbledon champion Sharapova saved three set points in the second set as Harkleroad tried to force a deciding set.
Following Serena Williams's win over Angelique Kerber for her 7th Wimbledon crown, here is a list of Wimbledon women's singles champions since 1922:
She defeated Anna-Lena Groenefeld 6-0, 7-5 to reach the second round of the Zurich Open.
The 28-year-old Australian pulled out of the first Grand Slam of the year because of injury.
The Indian has dropped 10 places to 54 in the latest WTA rankings.
Champion Venus Williams was knocked out of the Family Circle Cup beaten 7-5, 6-4 by 17-year-old Tatiana Golovin of France.
The world number two retained the RCA Championship title with a comfortable 6-2, 6-3 victory over Germany's Nicolas Kiefer.
The teenager from Hyderabad jumped eight places after she added 134 points at the US Open
Recuperating from a back injury, India's tennis ace Sania Mirza hangs on to 34th place in the latest WTA singles rankings released on Monday.
The Russian ace was beaten by Nicole Vaidisova in the Family Circle Cup second round.
Despite spraining her left ankle on Friday, the former world No. 1 is hopeful of playing the first round tie against Belgium.
Defending champion Maria Sharapova was forced to drop a set before beating Patty Schnyder in the season-ending WTA Championships.
As US President George Bush and his Democratic challenger John Kerry campaigned within yards of each other in Davenport in Iowa state, robbers took advantage of lax security elsewhere in the city to rob three banks.
Both survived tough opening matches at the Pacific Life Open Masters Series.
However, French Open champion Anastasia Myskina's run of miserable form continued when she was beaten by Switzerland's Patty Schnyder.
Venus Williams, who had advanced to the quarter-finals, pulled out of the China Open with a left knee injury
Sania jumped 35 places to 99 in the latest world rankings.
Following is a list of American Serena Williams' 22 grand slam singles titles as she equalled Steffi Graf's professional era record with victory at Wimbledon on Saturday
Amelie Mauresmo will play Russian Vera Zvonareva in the semi-final of the Rome Masters