The most notable upset of the day had ninth seed Daniela Hantuchova sent packing by Julia Vakulenko 6-4, 3-6, 6-1.
The Russian has swapped last year's glamorous Audrey Hepburn look for a flaming red dress inspired by New York City.
Former world number one Maria Sharapova suffered a fourth round shock at the Australian Open on Sunday when she was bundled out 6-2, 6-3 by Germany's Andrea Petkovic on Sunday.
Maria Sharapova was feeling confident about her US Open defence after winning the San Diego Classic.
Spanish tennis maestro Rafael Nadal has defended his training methods and outrightly rejected to have used any banned substance in order to speed up his recovery from injury.
Maria Sharapova continued her mastery of Romania's Simona Halep with a high quality 6-4, 6-4 victory filled with bruising baseline rallies to edge closer to a last four berth at the WTA Finals on Tuesday.
Maria Sharapova was knocked out of the US Open on Friday in a shock third round loss to Flavia Pennetta, while Andy Murray was lucky to survive after being pushed to five sets by Robin Haase.
Maria Sharapova showed there was no room for sentiment on Wednesday when she led a trio of Russian seeds into the second round of the French Open.
She will play unseeded American Serena Williams in the Australian Open final.
Top seed Maria Sharapova's flirtation with the New Zealand public came to a premature end on Thursday with a surprising 6-2, 7-5 loss to unseeded Hungarian Greta Arn in the quarter-finals of the Auckland Classic.
Caroline Wozniacki became the biggest name to fall at the BNP Paribas Open.
The Russian beat unseeded Katarina Srebotnik of Slovenia in the semi-finals of the Zurich Open.
David Nalbandian saved three match points to sink Frenchman Sebastien Grosjean 5-7, 4-6, 7-6, 6-4, 6-1.
Both made it to the fourth round of the women's singles at the Australian Open.
Former champion Maria Sharapova cruised into the third round of the BNP Paribas Open with a ruthless 6-2, 6-1 demolition of Italy's Francesca Schiavone on Friday.
Maria Sharapova suffered a shock 7-6(4), 6-3 defeat to compatriot and wildcard Daria Gavrilova.
Maria Sharapova retired injured from her second round match with Croatia's Mirjana Lucic-Baroni at the Italian Open on Tuesday.
Caroline Wozniacki upset French Open champion Maria Sharapova in a groundstroke marathon to reach the U.S. Open quarter-finals, while Gilles Simon registered the first big surprise in the men's draw.
Holder Marion Bartoli advanced to the quarter-finals of the Stanford Classic on Thursday with a 6-3, 6-4 win over former world number one Ana Ivanovic, while Maria Sharapova also advanced to the last eight. Russian Sharapova, a three-times Grand Slam winner, beat Belarus's Olga Govortsova 6-3, 6-3 while Maria Kirilenko defeated sixth seed Shahar Peer 6-4, 6-3.
Maria Sharapova will attend an International Tennis Federation anti-doping hearing in London on Wednesday, British media reported, with the Russian facing a possible ban of up to four years for failing a drugs test at the Australian Open.
Should the 30-year-old three-time Rome champion, ranked 211 in the world, reach the semi-finals, she would almost certainly earn an automatic Wimbledon main draw slot ahead of the May 22 rankings cut-off date.
Russia's Maria Sharapova and Ana Ivanovic of Serbia won their semi-finals at the Brisbane International on Friday to set up a highly-anticipated showdown in the lead-up to this month's Australian Open.
Former champion Maria Sharapova survived a tough battle with Spain's Carla Suarez Navarro on Sunday, winning 7-5, 6-3 to book her place in the fourth round of the BNP Paribas Open.
Maria Sharapova will have the chance to turn the tables on China's Li Na on Sunday when they clash in the final of the Edgbaston grasscourt tournament.
Serena Williams outplayed Maria Sharapova to claim the 2015 Australian Open championship in straight sets on Saturday.
Maria Sharapova booked her place in the French Open final for the third year in a row when she beat up-and-coming Canadian Eugenie Bouchard 4-6, 7-5, 6-2 on Thursday.
Martina Hingis beat top seed Maria Sharapova 6-3, 6-1 to reach the final of the Pan Pacific Open
Maria Sharapova powered her way past another opponent at the Sony Open in Miami on Monday as the Russian world number two remains on target to finally claim a tournament that has brought her plenty of heartbreak.
The fourth seed saved three match points as she fought back from 2-5 down in the final set to beat the American at the French Open.
Top seed Simona Halep was pooled with grand slam winners Maria Sharapova and Flavia Pennetta in a formidable looking Red Group for the end-of-season WTA Finals on Friday.
Australian Open finalist Marcos Baghdatis lost to Nikolay Davydenko in the third round in Miami
Maria Sharapova is renowned for her sheer determination in the face of adversity but in Singapore on Saturday, the Russian was quick to cast doubt over her chances of winning the WTA Finals after an injury-ravaged second half of the season.
The duo were named Russia's top players by the country's tennis federation at its annual awards gala on Saturday.
Aryna Sabalenka beat China's Zheng Qinwen 6-3 6-2 to retain the Australian Open women's singles title on Saturday.
A merciless Maria Sharapova whizzed past unheralded Romanian Alexandra Cadantu 6-0, 6-0 to book her place in the second round of the French Open on Tuesday.
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.
Maria Sharapova had to workk hard for a 6-0, 5-7, 6-2 win over Israel's Shahar Peer to reach the China Open quarter-finals
Maria Sharapova beat sixth seed Nadia Petrova 7-6, 6-4 in an all-Russian quarter-final at the Australian Open.
The intensity is there, the serve is improving with each match and the determination to win never waned as Maria Sharapova quietly works her way back to where she belongs - competing for Grand Slam titles.
The American world number one extended her winning streak over the Russian to 14 matches.