Asked about the campaign against the Games, Tokyo Governor Yuriko Koike said she would work towards a "safe and secure" Olympics.
An outcry over the whereabouts of Chinese tennis star Peng Shuai escalated on Friday as the Women's Tennis Association (WTA) said it was prepared to pull its tournaments out of China if they were not satisfied with the response to her sexual assault allegation.
Fashion statements from Roland Garros...
Halep, who held the WTA year-end top ranking in 2017 and 2018, has not lost a set in her first week at Melbourne Park and was aggressive against Putintseva from the outset.
Stefanos Tsitsipas' YouTube channel is experiencing a surge in subscribers after he reached the Australian Open semi-finals and the Greek youngster will hope to add to his highlight reel when he faces world number two Rafael Nadal on Thursday.
Novak Djokovic is aware of Kei Nishikori's battling qualities having lost twice to the Japanese in 17 career meetings.
British qualifier Emma Raducanu beat Canada's Leylah Fernandez 6-4 6-3 in a battle of two unseeded teenagers to win the U.S. Open women's title on Saturday.
American teenage sensation Coco Gauff progressed to her maiden WTA final as she eased past Germany's Andrea Petkovic 6-4, 6-4 at the Linz Open on Saturday. The 15-year-old Gauff became the youngest player to reach a WTA final since Czech Republic's Nicole Vaidisova won the Tashkent Open in 2004, also aged 15.
French Open champion Barty exited the tournament in the last 16 but regained the number one spot after last year's champion Naomi Osaka was also knocked out at the same stage.
Tennis matches at the Ariake Tennis Park will begin from 3pm local time (0600 GMT) from Thursday, governing body International Tennis Federation said after requests from players who had struggled in the stifling weather.
Jeevan Nedunchezhiyan's Grand Slam debut ended in the first round itself.
While the top names in badminton haven't openly discussed mental health and wellbeing issues in the way that gymnast Simone Biles and tennis player Naomi Osaka have done of late, Olympic expectations nonetheless weigh heavily on some.
Australian newspaper defies criticism, reprints Serena Williams cartoon
Novak Djokovic wore down Lucas Pouille after an even first set, dispatching the Frenchman 7-6(2), 6-1 in a Cincinnati Masters quarter-final in Ohio on Friday.
Tennis great Serena Williams limped out of Wimbledon in tears on Tuesday after her latest bid for a record-equalling 24th Grand Slam singles crown ended in injury.
Murky skies and drizzle could not dampen the enthusiasm of spectators arriving on Monday
Rafael Nadal said on Saturday "too many questions" still needed to be answered concerning Novak Djokovic's bid to play at the Australian Open, while other leading players lamented how the saga had overshadowed the year's first Grand Slam.
India's Nagal draws world No 128 Bradley Klahn in opener.
Images from Day 6 of the Australian Open in Melbourne on Saturday.
Coming off a fruitful year which yielded two grand slam titles, world number two Federer looked fit and sharp while other members of tennis's 'Big Four' are grappling with injury issues.
Roger Federer and Serena Williams, holders of a combined 43 singles Grand Slam titles, will face each other for the first time on Tuesday when they feature in the Hopman Cup mixed doubles match.
Andy Murray recovered from a slow start to beat Argentine qualifier Juan Ignacio Londero
The 16-times Grand Slam champion, who has been slightly ill lately, was kept on his toes before racing to victory to set up a meeting with seventh seed Stefanos Tsitsipas.
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.
The United States Tennis Association (USTA) said on Sunday it would undertake a review of its communication policies after a string of umpiring controversies at the U.S. Open.
The Czech was a player transformed after a medical timeout in the second set and rallied to secure a place in her first Grand Slam semi-final, where she will meet the winner of the clash between Americans Jennifer Brady and Jessica Pegula.
World Number one Simona Halep and Japan's Naomi Osaka are among the players nominated for the Women's Tennis Association (WTA) Player of the Year award.
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.
Former world number one Venus Williams produced a vintage display to outclass Netherlands' Arantxa Rus in straight sets and storm into the second round of the Yarra Valley Classic.
Serena Williams showed glimpses of what lies in store for rivals this season
Japan's Nishikori was the first man representing an Asian country to break through to a Grand Slam final at the 2014 tournament before Marin Cilic stopped him in the title match.
Petra Kvitova was proud of her second-set fightback against Naomi Osaka in the Australian Open final, on Saturday, but was left ruing her inability to convert her chances in her loss to the Japanese.
'Ms Williams has had multiple on-court implosions in the past and got penalised for them, too.' 'She cried sexism this time perhaps because she knew the atmosphere was ripe for it,' notes Shuma Raha.
Coach Patrick Mouratoglou claimed Serena Williams' fitness had since gone up a notch and Margaret Court's all-time record of 24 Grand Slam singles titles may well be in peril at the Australian Open.
Barty is seen as Australia's best hope to end its long wait for a first home-grown women's champion.
He will skip the two Masters series events in Shanghai and Paris next month.
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.
'I'm very privileged to be in the second week of Wimbledon again. This is genuinely one of my favourite weeks of the year so to be prolonging my stay is a lot of fun but I'm looking forward to the challenge.'
Serena Williams is a year short of spending a quarter of a century as a professional player but the learning has never stopped for the 23-time Grand Slam winner.
The 27-year-old Romanian beat Sloane Stephens at Roland Garros to win her maiden Grand Slam title in June and will have spent 40 weeks at the top of the rankings by the end of the season.