Novak Djokovic suffered his first defeat of the new season in the Qatar Open semi-finals on Friday, losing in three sets to Spain's Roberto Bautista Agut.
Roger Federer cruised into the semi-finals of the Qatar Open with a 6-1, 6-2 demolition Feliciano Lopez.
Novak Djokovic equalled Roger Federer's all-time record for most weeks as ATP world number one
Novak Djokovic is finally set to return to action next week after six months out with an elbow injury and will then decide whether to take part in the Jan 15-28 Australian Open.
The 36-year-old Australian Open champion arrived in the Dutch port city at the weekend knowing a run to the semi-finals will move him ahead of Rafael Nadal in the ATP standings.
World No 1 Andy Murray started his new season with a surprise 7-6(4), 6-4 loss to David Goffin in the semi-finals of the Mubadala World Tennis Championship in Abu Dhabi on Friday.
Rafael Nadal began his year in perfect fashion with a three-set victory over Frenchman Gael Monfils in the Qatar Open in Doha on Saturday as he warms up for this month's Australian Open.
Serena Williams withdrew from the Dubai Championships because of a lower back injury just minutes before she was due on court for a second round match against Frenchwoman Marion Bartoli on Wednesday.
Outgoing World No. 1 Victoria Azarenka showed that being second best was not an option for her as she outclassed Serena Williams 7-6, 2-6, 6-3 to win the Qatar Open on Sunday.
Serena Williams faces the player she will replace next week as world number one, Victoria Azarenka, in the final of the Qatar Open after overcoming Maria Sharapova 6-3, 6-2 in Doha on Saturday
Maria Sharapova continued her untroubled progress at the Qatar Open on Friday, brushing aside Australia's Samantha Stosur 6-2, 6-4 to reach the semi-finals.
Serena Williams showed tennis was not just the domain of teenagers as she climbed back to the top of the world rankings on Friday, becoming the oldest female to hold the coveted position at the age of 31.
Maria Sharapova sounded like the most prolific romantic of all the female tennis players by suggesting that she had many lovers on Valentine's Day.
Top seeded pair of Sania Mirza and Martina Hingis crashed out of the Rogers Cup after going down to Christina Mchale and Asia Muhammad in the quarterfinals of the women's doubles event here on Saturday.
French Open champion Rafael Nadal has been forced to withdraw from next month's Australian Open because of a stomach virus that has disrupted his recovery from a knee injury.
The 36-year-old Swiss master needs only to reach the semi-finals at the ABN Amro tennis event to overtake Rafael Nadal at the top of the ATP rankings and become world number one for the first time since November 2012.
Wimbledon champion Andy Murray lost 3-6, 6-4, 6-2 to German Florian Mayer in the Qatar Open second round on Wednesday, his second competitive match since returning from a back injury.
Sania Mirza has launched a scathing attack on the country's media, saying a certain sections of it choose to highlight the negative news.
The news comes after Sharapova, who said the decision to end their four-year partnership was "mutually agreed", was beaten by 44th-ranked Naomi Osaka in the first round of the BNP Paribas Open in California on Wednesday.
Images from Day 1 at the Australian Open, in Melbourne, on Monday.
Roger Federer showed no sign of back trouble as he cruised into the second round of the Australian Open on Monday with a 7-5, 6-2, 6-2 victory over qualifier Alexander Kudryavtsev.
Roger Federer's remarkable run of appearing at every Grand Slam since 2000 was closer to ending than ever after a back injury at the Qatar Open earlier this month threw his Australian Open participation into doubt.
Roger Federer pulled out of the Qatar Open due to back pain on Friday only 10 days before the start of the Australian Open.
A stuttering Roger Federer and a rampaging Rafael Nadal need to clear only one more hurdle before setting up a tantalising final showdown at the Qatar Open.
Roger Federer extended his winning run to 19 matches with an easy victory at the Qatar Open on Wednesday while longtime rival Rafael Nadal was equally impressive in reaching the quarter-finals.
Roger Federer staked his claim as one of the favourites for the Australian Open title later this month by romping into the second round of the Qatar Open, while rival Rafa Nadal survived a scare in windswept Doha on Tuesday.
Novak Djokovic extended his unbeaten start to the season to 15 matches as he swatted aside German veteran Philipp Kohlschreiber 6-3 6-1 with ease on Wednesday to reach the Dubai Tennis Championships quarter-finals.
World number three Karolina Pliskova overcame a stern test to reach the semi-finals of the BNP Paribas Open on Wednesday after edging French Open champion Garbine Muguruza 7-6(2), 7-6(5) at Indian Wells.
Sania ousted from Qatar Total Open.
Sania Mirza has said that French Open is going to be the "toughest" for her and Swiss partner Martina Hingis as clay court is not among their favourite surfaces.
Indian tennis star Sania Mirza and her Swiss partner Martina Hingis survived a scare before pulling off a three-set win over the Chinese pair of Yi-Fan Xu and Saisai Zheng in the WTA Qatar Open to extend their unbeaten streak to 41 matches in Doha on Wednesday. The top seeded Indo-Swiss pair toiled for one hour and 24 minutes to prevail 6-4 4-6 10-4 over the unseeded Chinese duo to enter the quarterfinals. They got a bye in the first round in the hard court USD 2,818,000 prize money tournament. Sania and Hingis have together won four titles this year out of an overall trophy count of 13. They started the year with wins in Brisbane and Sydney before completing a hat-trick of Grand Slam titles at the Australian Open. The duo had won the St Petersburg Ladies title earlier this month. Just before the tournament started, Sania took some time out to visit the DPS-Modern Indian School here and she interacted with the children.
Naomi Osaka is also the first woman to win a second Slam immediately after her first since Jennifer Capriati in 2001 but her meteoric rise has been followed by a distinct dip ahead of Roland Garros.
World number one Caroline Wozniacki reeled off 12 successive games to ease into the semi-finals of the Qatar Open after a 6-2, 6-0 demolition of Italian Flavia Pennetta on Thursday.
World number one Caroline Wozniacki moved into the quarter-finals of the Qatar Open with a 6-3, 6-2 win over Russian Nadia Petrova but third seed Francesca Schiavone was upset by China's Peng Shuai on Wednesday.
World number one Rafa Nadal put his recovery from a bout of flu to the test with a rain-interrupted practice session at Melbourne Park on Tuesday ahead of next week's Australian Open.
An ailing Rafael Nadal slumped out of the Qatar Open on Friday to deprive fans and organisers of an eagerly-anticipated final against his great rival Roger Federer.
World number one Rafael Nadal suffered a rare second-set meltdown before recovering to beat plucky Slovakian Lukas Lacko and join rival Roger Federer in the Qatar Open quarter-finals on Wednesday.
World number two Roger Federer lit up his 2011 season opener with one of his stunning between-the-legs trademark winners en route to victory over Dutch qualifier Thomas Schoorel at the Qatar Open on Tuesday.
Sania Mirza and her Swiss partner Martina Hingis lost 2-6, 6-4, 10-5 to Russian pair Elena Vesnina and Daria Kasatkina late on Thursday night.
Andy Murray has dismissed suggestions that the pressure of being the world's top tennis player is affecting his performance after losing to Spaniard Albert Ramos-Vinolas in the Round of 16 of the Monte Carlo Masters.