Images from all the action on Day 3 at the Australian Open in Melbourne on Wednesday
Tennis accounted for nearly three quarters of all the suspicious betting alerts issued last year, the European Sport Security Association (ESSA) said in a report published on Thursday.
Defending champion Federer, battling a flu bug according to the local media, was made to work hard by his Bulgarian opponent before the Swiss master prevailed 6-4, 6-7(4), 6-4 at the Pat Rafter Arena. "It was tough. Grigor's a great shotmaker, the future's ahead of him in the game," Federer said after setting up a semi-final against Austrian youngster Dominic Thiem.
Roger Federer took 55 minutes to dispel all injury doubts with a 6-2, 6-1 routing of unheralded German Tobias Kamke in the second round of the Brisbane International on Thursday. Media speculations swirled around the fitness of the world number three less than two weeks before he launches his bid for a fifth Australian Open title and the Swiss maestro dismissed them by dropping only three games in a lop-sided contest. "I'm going to do my best to stay injury free and give myself a chance to win another grand slam," Federer said after setting up a quarter-final against Grigor Dimitrov.
The 23-year-old Wimbledon champion, who climbed to the top of the WTA rankings on Monday, hardly broke sweat against the Frenchwoman, ranked 20th in the world, on her way to victory in an hour and 20 minutes.
Serena Williams will be wary of another semi-final slip-up when she takes to the Arthur Ashe Stadium court on Thursday to face 10th seed Karolina Pliskova for a spot in the US Open final.
The draw for the first Grand Slam of the season was made on Thursday and the top seeds could face some early tests of their credentials when play gets underway in Melbourne on Monday.
Top-seeded Serena Williams said on Friday that she was not sure about the state of her balky right shoulder but felt more relaxed entering next week's US Open than last year.
Monica Puig gave Puerto Rico its first ever Olympic gold after an a outstanding display of tennis to defeat Germany's Angelique Kerber to win the women's singles title at the Rio Games on Saturday.
US tennis powerhouse Serena Williams dispatched France's Alize Cornet in two sets on Monday, ending a streak of weak family performances that saw older sister Venus eliminated from singles on Saturday and the pair knocked out in doubles on Sunday.
Fourth seed Rafael Nadal showed he is healthy and ready to challenge for a third US Open title as he rolled into the last 16 at Flushing Meadows on Friday with a fist-pumping 6-1, 6-4, 6-2 win over Russian Andrey Kuznetsov.
On the men's side, the fields have already been divided into two ATP 250 tournaments.
The French Open witnessed a stunning upset on its very first day as 18-year-old Anastasia Potapova outclassed Angelique Kerber 6-4, 6-2 in the first round match on Sunday.
Images from all the action on Day 9 of the Australian Open at Melbourne Park on Tuesday
Venus Williams captured her 47th WTA career title on Saturday, and her biggest in five years, when she won the Wuhan Open in China, beating Wimbledon runner-up Garbine Muguruza.
Osaka survives test to reach last 16
'Maybe the last tournament changed something in people's minds but not in mine. I'm really enjoying every match but, still, I think I do have lot of things to improve'
Victoria Azarenka withstood some early pressure from Britain's Johanna Konta to continue her quest for a third Miami Open title with a 6-4, 6-2 quarter-final victory on Wednesday.
Roger Federer returned from a month-long layoff with a 6-4, 6-4 second round victory over Roberto Bautista Agut on Tuesday at the Western and Southern Open in Cincinnati.
Defending champion Djokovic fired his 15th ace on match point to defeat Querrey but his serve had been an issue earlier in their second-round encounter.
Having played just one tournament since mid-September due to various injuries and a recent bout of flu, Serena Williams is now itching to get back into competition with the Rio Olympics among her top priorities for the year.
IMAGES from matches played at the BNP Paribas tennis tournament played in Indian Well, California, on Thursday
In-form Victoria Azarenka battled past an ailing but determined second seed Angelique Kerber to set up a Miami Open final showdown against Svetlana Kuznetsova with a 6-2, 7-5 victory on Thursday.
Taiwan's Hsieh Su-wei has enjoyed double good fortune at Melbourne Park this week.
With not one, or two but three passports in her possession, Britain's Johanna Konta could have been forgiven for suffering an identity crisis.
Sloane Stephens will be defending her title at the U.S. Open but all eyes will be on Serena Williams over the coming two weeks as the six-times champion attempts to win her first Grand Slam title since becoming a mother.
IMAGES from Day 8 of the US Open on Monday
Defending Olympic champion Andy Murray reached the semi-finals of the men's tennis on Friday after winning a third-set tiebreak to scrape through a testing encounter against American Steve Johnson.
IMAGES from Day 6 of the Australian Open in Melbourne, on Saturday.
Caroline Wozniacki talked on Sunday of her horror and sadness at the shootings in Denmark.
Serena Williams plans to play fewer tournaments in the future to aid her quest to win more Grand Slam titles, according to her coach Patrick Mouratoglou.
If Serena Williams' rivals were hoping that the American would take some time out to savour drawing level with Steffi Graf's professional-era record of 22 grand slam titles, her coach Patrick Mouratoglou fired off an immediate warning.
The contest for the Laureus World Sportsman of the Year award promises to be one of the most competitive ever with the likes of Usain Bolt, Cristiano Ronaldo and Andy Murray vying for top honours.
Claycourt master Rafael Nadal quickly adapted to his new surroundings at Roland Garros with a 6-2, 6-1, 6-3 demolition of German qualifier Yannick Hanfmann in the first round of the French Open on Monday.
Round-robin formats at tennis tournaments can cause confusion but Serena Williams has an easy solution, just keep winning.
Eleven-times champion Rafael Nadal booked his place in the semi-finals of the Barcelona Open semi-finals by beating German Jan-Lennard Struff 7-5, 7-5 in a hard-fought match on Friday.
Top seed Serena Williams dropped the second set before bouncing back to beat compatriot Christina Mchale 6-3, 5-7, 6-2 in second-round action at the Miami Open in Florida on Thursday.
US Open, the final Grand Slam of the season, starts Monday, August 28, at Flushing Meadows in New York.
While 40 have tried only nine times have both Williams sisters been beaten by the same player at the same tournament and that list reads like a Grand Slam Hall of Fame with names that include; Steffi Graf, Martina Hingis, Lindsay Davenport, Justine Henin and Kim Clijsters, who like Pliskova, pulled the double off at the US Open.
Serena Williams underlined the difference in class and power between her and the rest of the women's field with a 6-0, 6-4 demolition of fourth seed Agnieszka Radwanska on Thursday to reach her seventh Australian Open final.