Novak Djokovic, of Serbia, practices at the Ariake Tennis Center ahead of the 2020 Summer Olympics, Wednesday, July 21, 2021, in Tokyo, Japan. (AP Photo/Alex Brandon)

First lady Jill Biden addresses reporters during a visit, Wednesday, July 21, 2021, to the Alaska Native Health Tribal Health Consortium office in Anchorage, Alaska. Biden stopped in Alaska's largest city as she traveled to Tokyo, her first solo international trip as first lady, leading a U.S. delegation to the Olympic Games. (AP Photo/Mark Thiessen)

Games staff sit in the empty stands during the softball game between the Mexico and Japan at the 2020 Summer Olympics, Thursday, July 22, 2021, in Fukushima , Japan. (AP Photo/Jae C. Hong)

Japan's Eri Yamada celebrates their win over Mexico during their softball game at the 2020 Summer Olympics, Thursday, July 22, 2021, in Fukushima , Japan. (AP Photo/Jae C. Hong)

A Germany player is silhouetted against a wall during a Beach Volleyball training session ahead of the 2020 Summer Olympics, Tuesday, July 20, 2021, in Tokyo. (AP Photo/Mark Baker)

This undated photo released by Tokyo 2020 shows Kentaro Kobayashi, a key director of Tokyo Olympics’ opening ceremony. The Tokyo Olympic organizing committee dismissed the director of the opening ceremony on Thursday, July 22, 2021 because of a Holocaust joke he made during a comedy show in 1998. (©Tokyo 2020 via AP)

A pedestrian passes by a large electronic display shows one day until the opening ceremony of 2020 Tokyo Olympics, Thursday, July 22, 2021, in Tokyo. (AP Photo/Kiichiro Sato)

A commercial passenger jet approaches Haneda Airport above the field hockey complex at the 2020 Summer Olympics, Thursday, July 22, 2021, in Tokyo, Japan. (AP Photo/John Minchillo)

Australia players pose for a group photo with an indigenous flag prior to women's soccer match against New Zealand at the 2020 Summer Olympics, Wednesday, July 21, 2021, in Tokyo. (AP Photo/Ricardo Mazalan)

A person walks through the stands at Oi Hockey Stadium ahead of the the 2020 Summer Olympics, Thursday, July 22, 2021, in Tokyo, Japan. (AP Photo/John Locher)

FILE - In this Friday, Aug. 12, 2016 file photo, France's Teddy Riner, left, competes against Japan's Hisayoshi Harasawa for the gold medal during the men's over 100-kg judo competition at the 2016 Summer Olympics in Rio de Janeiro, Brazil. Judo is coming home at the Tokyo Olympics, and the Japanese team is under a world of pressure. All of Japan’s stars will be tested, and not all are gold medal favorites. The rest of the world has dynamic champions, and the biggest is 6-foot-8 French heavyweight Teddy Riner, who won two Olympic gold medals and went undefeated in 154 consecutive matches for a full decade from 2010 to 2020 until he lost twice last year. (AP Photo/Markus Schreiber, File)

FILE - Kara Eaker competes in the floor exercise during the women's U.S. Olympic Gymnastics Trials in St. Louis, in this Friday, June 25, 2021, file photo. Eaker, an alternate on the United States women's gymnastics team, has tested positive for COVID-19 in an Olympic training camp in Japan. Al Fong, the personal coach for both Eaker and fellow Olympic alternate Leanne Wong, confirmed the positive test in an email to The Associated Press on Monday, July 19, 2021. (AP Photo/Jeff Roberson, File)

Australia's Jade Wall runs to first base during the softball game between the Italy and Australia at the 2020 Summer Olympics, Thursday, July 22, 2021, in Fukushima , Japan. (AP Photo/Jae C. Hong)

A worker looks at the start ramp at the BMX racing track as preparations continue for the 2020 Summer Olympics, Tuesday, July 20, 2021, at the Ariake Urban Sports Park in Tokyo. (AP Photo/Charlie Riedel)

The Right Honourable the Lord Mayor of Brisbane, Councillor Adrian Schrinner, Senator the Honourable Richard Colbeck, Minister for Senior Australians and Aged Care Services and Minister for Sport, three time Olympic gold medalist James Tomkins, John Coates AC, President, Australian Olympic Committee and The Honourable Annastacia Palaszczuk MP, Premier of Queensland and Minister for Trade, speak during a press conference after Brisbane was announced as the 2032 Summer Olympics host city during the IOC Session at Hotel Okura in Tokyo, Wednesday, July 21, 2021. (Toru Hanai/Pool Photo via AP)

United States' Monica Abbott celebrates after defeating Canada in their softball game at the 2020 Summer Olympics, Thursday, July 22, 2021, in Fukushima, Japan. (AP Photo/Jae C. Hong)