Five months before the Olympics opening ceremony in Tokyo, health authorities around the world are scrambling to contain outbreaks of the flu-like virus which has infected about 80,000 and killed more than 2,700 people, the vast majority in China.
Pliskova will be guaranteed toppling Germany's Angelique Kerber if she prevails against Halep who would need to go on and take the title to seize the top ranking.
Images from Day 3 of the Australian Open in Melbourne on Wednesday.
Andy Murray took a step closer to a first title in arguably the toughest year of his playing career, grinding out a 3-6, 7-5 ,6-2 win over Ugo Humbert on Saturday to reach the final of the European Open in Antwerp.
A summary of Tuesday's play at the French Open.
The 70-year-old former French and US Open champion, who earned a reputation for controversial behaviour during his playing days, was excluded from the tie on Saturday for unsportsmanlike conduct.
Former world number one Andy Murray won his first ATP tour singles match in nearly nine months with a 6-3, 6-7(6), 6-1 victory over American Tennys Sandgren in the opening round of the Zhuhai Championships.
Ana Konjuh was not a year old when Serena Williams played her first US Open match but both will be in the Arthur Ashe Stadium spotlight on Wednesday, with four gripping quarter-finals to take centre stage at the year's final Grand Slam.
A calm Sloane Stephens picked her shots to perfection to overcome Japan's Naomi Osaka in a battle between the last two US Open champions at the WTA Finals on Monday before top seed Angelique Kerber was upset by Kiki Bertens.
Williams had little trouble against the 31-year-old German although the gusty breezes at Auckland Tennis Centre played havoc with her ball toss, especially when she was serving for the match at 5-3 in the second set.
Zhang Shuai stunned Wimbledon Champion Angelique Kerber 6-1, 2-6, 6-0 in the China Open on Thursday to set up a quarter-final clash with Naomi Osaka.
Perry said she had been in touch with the local organising team on a daily basis as they prepare to start the tournament on October 19, pending government approval and confirmation that players will be able to travel.
Iron-willed Czech Tomas Berdych ended eight years of tyranny under nemesis Rafa Nadal to storm into the Australian Open semi-finals on Tuesday before his next opponent Andy Murray restored British colonial rule to the floodlit centre court.
Roger Federer gained a measure of revenge against Wimbledon nemesis Kevin Anderson, beating the South African 6-0, 6-4 at the Miami Open on Thursday to set up a mouthwatering semi-final against a player barely half his age.
Former world number one Garbine Muguruza was beaten 7-5, 6-4 by Aryna Sabalenka in the China Open second round on Tuesday while an ailing Jelena Ostapenko lost 6-0, 6-0 to Wang Qiang.
Zverev, who is looking for his fourth tournament win of the year, needed only 64 minutes to defeat Nishikori and move into the final in WashingtonDC where he will play Kevin Anderson after the South African beat Jack Sock by the same score.
Serena Williams took the first cautious step towards a record-equalling 24th Grand Slam title with a 6-4, 6-0 first-round win over Magda Linette.
French Open organisers, having been criticised for allegedly ensuring the players stayed on court in the rain, came under fire for sending them back to the dressing room on Thursday.
World number ones Serena Williams, aiming to complete the first calendar-year Grand Slam in 27 years, and Novak Djokovic have been named the top seeds for the US Open championships starting on Monday in New York.
Fifteen-year-old Cori Gauff clawed her way back from a set and 5-2 down and saved two match points to beat Slovenia's Polona Hercog 3-6, 7-6(7), 7-5 on Friday and reach the Wimbledon fourth round.
On the men's side, the fields have already been divided into two ATP 250 tournaments.
Petra Kvitova takes on Naomi Osaka in Saturday's Australian Open final with one of them set to emerge as a fresh champion at Melbourne Park as well as the new world number one.
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.
Summary of sports events and persons who made news on Wednesday
Newly-crowned French Open champion Simon Halep said she was inspired to win her first Grand Slam title by her manager Virginia Ruzici's feats 40 years ago at Roland Garros.
Spain's Carla Suarez Navarro came back from a dreadful first set to defeat Venus Williams.
Serena Williams stormed into the US Open quarter-finals in record-smashing style on Monday by easing past Kazakhstan's Yaroslava Shvedova 6-2, 6-3 to claim her record 308th Grand Slam match win.
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.
Images from Day 9 at the French Open.
Sania ousted from Qatar Total Open.
Images from Day 3 of the Wimbledon tennis championships played in London, on Wednesday.
Osaka survives test to reach last 16
Wimbledon champion Garbine Muguruza notched up her first ever victory on Arthur Ashe Stadium with a 6-0, 6-3 win over American Varvara Lepchenko at the US Open on Monday.
IMAGES from the Australian Open matches played on Friday.
A six-time champion at Flushing Meadows, Williams was once money in the bank when it came to the US Open
'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'
'I've played injured most of the year -- whether it was my elbow, my knee, or in the finals moments after a certain match in Flushing, my heart' 'I'm a fierce competitor and I want to compete as well as I can, for as long as I can'
World No 1 Serena Williams smashed a racquet and recovered from a set down as she overcame stubborn resistance from Caroline Wozniacki in a semi-final at the WTA Finals last week. It was not the first time the world No 1 abused her playing equipment. Take a look at previous moments when she soaked up her frustration on court by smashing her racket.
Defending champion Serena Williams reached the semi-finals of the Western & Southern tournament in Cincinnati but not before having her mettle tested in a 3-6, 6-4, 6-2 win over sixth-seeded Serb Ana Ivanovic on Friday.
Roberta Vinci beat her opponent and the rain to storm into the quarter-finals of the US Open on Monday just before a thunderstorm forced play to be suspended.