Tennis star Naomi Osaka has withdrawn from Wimbledon, but will still compete at the Tokyo Olympics, her agent said Thursday, per AP.

Why it matters: Wimbledon is the third tournament Osaka, 23, has withdrawn from in recent weeks. In May, Osaka withdrew from the French Open after the first round for a mental health break. Osaka also pulled out of next week's Berlin WTA 5000 tournament, per ESPN.

The refugee team for the Tokyo Olympics will feature 29 athletes — up from the 10 who competed on the inaugural team at the 2016 Rio Games.

Details: The IOC selected the team from a pool of 56 athletes, all of whom received scholarships to train after fleeing their home countries.

As cases continue dropping in Japan, officials are considering allowing domestic spectators into next month's Olympics.

Why it matters: Just over a month ago, Tokyo 2020 president Seiko Hashimoto said she was prepared to hold the Games in front of empty stadiums, reports the Asahi Shimbun.

10,000 volunteers working to organize the Tokyo Olympics next month have quit, Toshiro Muto, the CEO of the Tokyo organizing committee, told reporters Wednesday, the according to the New York Times.

Why it matters: The games have been under pressure to cancel amid low vaccination rates and a surge of active COVID-19 cases in Japan. Scientists have warned that "canceling the games may be the safest option" and a recent poll by Japan's Asahi Shimbun newspaper found 83% of voters wanted the games to be postponed or canceled.

Japan on Friday extended a state of emergency in Tokyo and other areas of the country through at least June 20 in response to rising coronavirus cases, Reuters reports.

Why it matters: The country is set to host the 2020 Summer Olympics in July, though many, including doctors associations, scientists and high-profile business executives, have called for the games to be canceled to avoid a larger outbreak.

With less than two months until the Tokyo Olympics' opening ceremony, scientists are warning that "canceling the games may be the safest option," according to a paper published Tuesday in the New England Journal of Medicine.

Why it matters: As Japan anticipates 20,000 athletes and support staff from 200 different countries, the country remains in a state of emergency with nearly 70,000 active cases and only 5% of the population vaccinated, the lowest rate within OECD countries.

Defending world champion gymnast Simone Biles became the first woman in history to land the Yurchenko double pike in a competition, a move historically performed only by men.

Driving the news: At the GK U.S. Classic in Indianapolis, Biles executed the move with near perfection: first a roundoff onto the springboard, then a back handspring onto the vaulting table, followed by a spiked double backflip into the air and to the floor.

The Tokyo Olympics will begin in just over two months even if the city or other parts of Japan are under a COVID-19 state of emergency, International Olympic Committee Vice President John Coates said during a news conference Friday, according to AP.

Why it matters: The Games have already been postponed once, and Japan's latest coronavirus surge has pushed parts of the country's health system to a breaking point.

With just 65 days until the Olympics, Japan's COVID-19 infection and vaccination rates are providing legitimate cause for concern.

Why it matters: The country's seven-day average of new cases surpassed 6,000 for five straight days last week, just barely trailing its worst surge to date, back in January.

The Tokyo Medical Practitioners Association — a group of about 6,000 doctors — has called for the 2021 Olympic Games to be canceled due to an upsurge of COVID-19 cases in Japan.

Why it matters: Rising case numbers in Japan are a reminder that the pandemic is not over even as cases, hospitalizations and deaths fall in the United States.