Seven-time grand slam champion Venus Williams advanced to the third round at Melbourne Park on Wednesday with a 6-3, 6-2 win over Stefanie Voegele but conceded she was still troubled by an elbow injury that forced her to pull out of the women's doubles.
Former world number one Venus Williams has been forced to withdraw from the Madrid Open due to a back problem, organisers said on Sunday.
World No 1 Serena Williams breezed past older sister Venus 6-1, 6-2 in their first meeting since 2009 in the semi-finals of the Family Circle Cup in Charleston, South Carolina on Saturday.
Serena and Venus Williams set up a tantalising semi-final against each other after both won twice on Friday in the rain-affected Family Circle Cup in Charleston, South Carolina.
Doug Adler, commentating on the African-American 13th seed's second-round match against Switzerland's Stefanie Voegele on Wednesday, provoked outrage on social media when he was taken to have described Williams charging "like a gorilla". Adler, a former tennis professional, said he had said "guerrilla".
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.
Fourth seed Akgul Amanmuradova of Uzbekistan beat unseeded Stefanie Voegele of Switzerland to clinch the singles crown in the University of Mumbai ITF women's tournament.
World number one Naomi Osaka was beaten in her opening match at the Dubai Duty Free Tennis Championships on Tuesday, losing to France's Kristina Mladenovic 6-3, 6-3 on her return to competitive action after winning last month's Australian Open.
Battle-scarred Argentine Juan Martin del Potro clinched his 21st career title with a 6-4, 6-4 win over Kevin Anderson in the Mexican Open final in Acapulco on Sunday.
Sharapova was broken in the first game but fought back to draw level before going on to take the first set with a hold to love.
Rafael Nadal has pulled out of the Indian Wells and Miami Open tournaments after aggravating the leg injury that forced him out of the Australian Open in January, the Spanish world number two said on Friday.
Defending champion Donna Vekic, of Croatia, earned a hard-fought win over British wild card Gabriella Taylor 7-5, 5-7, 7-6(3).
A refreshed Roger Federer's clinical demolition of Jarkko Nieminen in his first match of 2014 suggested he could be a factor in the first major of the year.
Images from Day 1 of the Australian Open, in Melbourne, on Monday.
A summary of Day 2 at Wimbledon on Tuesday.