CEO of Tokyo 2020 Toshiro Muto, President of Tokyo 2020 Yoshiro Mori, Spokesperson of Tokyo 2020 Masa Takaya, with Christophe Dubi, IOC's Olympic Games Executive Director, and Robert Roxburgh, Head of Olympic Games Communications of IOC, on the screen, attend a joint press conference between the International Olympic Committee (IOC) and Tokyo Organising Committee of the Olympic and Paralympic Games (Tokyo 2020) at Harumi Island Triton Square Tower Y, in Tokyo, Japan September 25, 2020. Rodrigo Reyes Marin/Pool via REUTERS

CEO of Tokyo 2020 Toshiro Muto and President of Tokyo 2020 Yoshiro Mori put on their face masks before leaving a joint press conference between the International Olympic Committee (IOC) and Tokyo Organising Committee of the Olympic and Paralympic Games (Tokyo 2020) at Harumi Island Triton Square Tower Y, in Tokyo, Japan September 25, 2020. Rodrigo Reyes Marin/Pool via REUTERS

President of Tokyo 2020 Yoshiro Mori puts on his face mask before leaving a joint press conference between the International Olympic Committee (IOC) and Tokyo Organising Committee of the Olympic and Paralympic Games (Tokyo 2020) at Harumi Island Triton Square Tower Y, in Tokyo, Japan September 25, 2020. Rodrigo Reyes Marin/Pool via REUTERS

Christophe Dubi, IOC's Olympic Games Executive Director, and Robert Roxburgh, Head of Olympic Games Communications of IOC, are seen on screen during a joint press conference between the International Olympic Committee (IOC) and Tokyo Organising Committee of the Olympic and Paralympic Games (Tokyo 2020) at Harumi Island Triton Square Tower Y, in Tokyo, Japan September 25, 2020. Rodrigo Reyes Marin/Pool via REUTERS

John Coates, Chairman of Coordination Commission for the Games of the XXXII Olympiad Tokyo 2020, speaks on screen during a joint press conference between the International Olympic Committee (IOC) and Tokyo Organising Committee of the Olympic and Paralympic Games (Tokyo 2020) at Harumi Island Triton Square Tower Y, in Tokyo, Japan September 25, 2020. Rodrigo Reyes Marin/Pool via REUTERS

Yoshiro Mori, President of Tokyo 2020, speaks during a joint press conference between the International Olympic Committee (IOC) and Tokyo Organising Committee of the Olympic and Paralympic Games (Tokyo 2020) at Harumi Island Triton Square Tower Y, in Tokyo, Japan September 25, 2020. Rodrigo Reyes Marin/Pool via REUTERS

Yoshiro Mori, President of Tokyo 2020, speaks during a joint press conference between the International Olympic Committee (IOC) and Tokyo Organising Committee of the Olympic and Paralympic Games (Tokyo 2020) at Harumi Island Triton Square Tower Y, in Tokyo, Japan September 25, 2020. Rodrigo Reyes Marin/Pool via REUTERS

Toshiro Muto, CEO of Tokyo 2020, speaks during a joint press conference between the International Olympic Committee (IOC) and Tokyo Organising Committee of the Olympic and Paralympic Games (Tokyo 2020) at Harumi Island Triton Square Tower Y, in Tokyo, Japan September 25, 2020. Rodrigo Reyes Marin/Pool via REUTERS

Toshiro Muto, CEO of Tokyo 2020, speaks during a joint press conference between the International Olympic Committee (IOC) and Tokyo Organising Committee of the Olympic and Paralympic Games (Tokyo 2020) at Harumi Island Triton Square Tower Y, in Tokyo, Japan September 25, 2020. Rodrigo Reyes Marin/Pool via REUTERS

Yoshiro Mori, President of Tokyo 2020, wears a face mask as he attends a joint press conference between the International Olympic Committee (IOC) and Tokyo Organising Committee of the Olympic and Paralympic Games (Tokyo 2020) at Harumi Island Triton Square Tower Y, in Tokyo, Japan September 25, 2020. Rodrigo Reyes Marin/Pool via REUTERS

Yoshiro Mori, President of Tokyo 2020, speaks during a joint press conference between the International Olympic Committee (IOC) and Tokyo Organising Committee of the Olympic and Paralympic Games (Tokyo 2020) at Harumi Island Triton Square Tower Y, in Tokyo, Japan September 25, 2020. Rodrigo Reyes Marin/Pool via REUTERS

Yoshiro Mori, President of Tokyo 2020, speaks during a joint press conference between the International Olympic Committee (IOC) and Tokyo Organising Committee of the Olympic and Paralympic Games (Tokyo 2020) at Harumi Island Triton Square Tower Y, in Tokyo, Japan September 25, 2020. Rodrigo Reyes Marin/Pool via REUTERS

Yoshiro Mori, President of Tokyo 2020, speaks during a joint press conference between the International Olympic Committee (IOC) and Tokyo Organising Committee of the Olympic and Paralympic Games (Tokyo 2020) at Harumi Island Triton Square Tower Y, in Tokyo, Japan September 25, 2020. Rodrigo Reyes Marin/Pool via REUTERS

Yoshiro Mori, President of Tokyo 2020, speaks during a joint press conference between the International Olympic Committee (IOC) and Tokyo Organising Committee of the Olympic and Paralympic Games (Tokyo 2020) at Harumi Island Triton Square Tower Y, in Tokyo, Japan September 25, 2020. Rodrigo Reyes Marin/Pool via REUTERS

Construction workers pour concrete into the floor in the National Speed Skating Oval, known colloquially as the "Ice Ribbon", which will host the 2021 World Speed Skating Championships and the speed skating competitions at the 2022 Winter Olympics in Beijing, China, September 23, 2020. REUTERS/Thomas Peter

A construction worker sits in the National Speed Skating Oval, known colloquially as the "Ice Ribbon", which will host the 2021 World Speed Skating Championships and the speed skating competitions at the 2022 Winter Olympics in Beijing, China, September 23, 2020. REUTERS/Thomas Peter

Men work to complete the construction of the National Speed Skating Oval, known colloquially as the "Ice Ribbon", which will host the 2021 World Speed Skating Championships and the speed skating competitions at the 2022 Winter Olympics in Beijing, China, September 23, 2020. REUTERS/Thomas Peter

A worker carries a scaffolding pole at the National Speed Skating Oval, known colloquially as the "Ice Ribbon", which will host the 2021 World Speed Skating Championships and the speed skating competitions at the 2022 Winter Olympics in Beijing, China, September 23, 2020. REUTERS/Thomas Peter

A worker carries a scaffolding pole at the National Speed Skating Oval, known colloquially as the "Ice Ribbon", which will host the 2021 World Speed Skating Championships and the speed skating competitions at the 2022 Winter Olympics in Beijing, China, September 23, 2020. REUTERS/Thomas Peter

A woman pushes a wheelbarrow at the construction site of the National Speed Skating Oval, known colloquially as the "Ice Ribbon", which will host the 2021 World Speed Skating Championships and the speed skating competitions at the 2022 Winter Olympics in Beijing, China, September 23, 2020. REUTERS/Thomas Peter

Men work to complete the construction of the National Speed Skating Oval, known colloquially as the "Ice Ribbon", which will host the 2021 World Speed Skating Championships and the speed skating competitions at the 2022 Winter Olympics in Beijing, China, September 23, 2020. REUTERS/Thomas Peter

A man works at the construction site of the National Speed Skating Oval, known colloquially as the "Ice Ribbon", which will host the 2021 World Speed Skating Championships and the speed skating competitions at the 2022 Winter Olympics in Beijing, China, September 23, 2020. REUTERS/Thomas Peter

Men work to complete the construction of the National Speed Skating Oval, known colloquially as the "Ice Ribbon", which will host the 2021 World Speed Skating Championships and the speed skating competitions at the 2022 Winter Olympics in Beijing, China, September 23, 2020. REUTERS/Thomas Peter

A man works at the construction site of the National Speed Skating Oval, known colloquially as the "Ice Ribbon", which will host the 2021 World Speed Skating Championships and the speed skating competitions at the 2022 Winter Olympics in Beijing, China, September 23, 2020. REUTERS/Thomas Peter

A worker cuts metal poles at the construction site of the National Speed Skating Oval, known colloquially as the "Ice Ribbon", which will host the 2021 World Speed Skating Championships and the speed skating competitions at the 2022 Winter Olympics in Beijing, China, September 23, 2020. REUTERS/Thomas Peter

A man welds pipes at the construction site of the National Speed Skating Oval, known colloquially as the "Ice Ribbon", which will host the 2021 World Speed Skating Championships and the speed skating competitions at the 2022 Winter Olympics in Beijing, China, September 23, 2020. REUTERS/Thomas Peter

A general view shows the National Speed Skating Oval, known colloquially as the "Ice Ribbon", which will host the 2021 World Speed Skating Championships and the speed skating competitions at the 2022 Winter Olympics in Beijing, China, September 23, 2020. REUTERS/Thomas Peter

Workers leave the construction site of the National Speed Skating Oval, known colloquially as the "Ice Ribbon", which will host the 2021 World Speed Skating Championships and the speed skating competitions at the 2022 Winter Olympics in Beijing, China, September 23, 2020. REUTERS/Thomas Peter

Sep 12, 2020; Flushing Meadows, New York, USA; Naomi Osaka of Japan celebrates with her team after winning against Victoria Azarenka of Belarus in the women's singles final match on day 13 of the 2020 U.S. Open tennis tournament at USTA Billie Jean King National Tennis Center. Mandatory Credit: Robert Deutsch-USA TODAY Sports

Sep 12, 2020; Flushing Meadows, New York, USA; Naomi Osaka of Japan celebrates with her team after winning against Victoria Azarenka of Belarus in the women's singles final match on day 13 of the 2020 U.S. Open tennis tournament at USTA Billie Jean King National Tennis Center. Mandatory Credit: Robert Deutsch-USA TODAY Sports

Sep 12, 2020; Flushing Meadows, New York, USA; Naomi Osaka of Japan celebrates with her team after winning against Victoria Azarenka of Belarus in the women's singles final match on day 13 of the 2020 U.S. Open tennis tournament at USTA Billie Jean King National Tennis Center. Mandatory Credit: Robert Deutsch-USA TODAY Sports

Sep 12, 2020; Flushing Meadows, New York, USA; Naomi Osaka of Japan celebrates with her team after winning against Victoria Azarenka of Belarus in the women's singles final match on day 13 of the 2020 U.S. Open tennis tournament at USTA Billie Jean King National Tennis Center. Mandatory Credit: Robert Deutsch-USA TODAY Sports

Sep 12, 2020; Flushing Meadows, New York, USA; Naomi Osaka of Japan celebrates with her team after winning against Victoria Azarenka of Belarus in the women's singles final match on day 13 of the 2020 U.S. Open tennis tournament at USTA Billie Jean King National Tennis Center. Mandatory Credit: Robert Deutsch-USA TODAY Sports

Sep 12, 2020; Flushing Meadows, New York, USA; Naomi Osaka of Japan celebrates with her team after winning against Victoria Azarenka of Belarus in the women's singles final match on day 13 of the 2020 U.S. Open tennis tournament at USTA Billie Jean King National Tennis Center. Mandatory Credit: Robert Deutsch-USA TODAY Sports

Sep 12, 2020; Flushing Meadows, New York, USA; Naomi Osaka of Japan celebrates with her team after winning against Victoria Azarenka of Belarus in the women's singles final match on day 13 of the 2020 U.S. Open tennis tournament at USTA Billie Jean King National Tennis Center. Mandatory Credit: Robert Deutsch-USA TODAY Sports

Koji Murofushi, sports director for the Tokyo 2020 Olympic Games, puts on his protective mask after a media huddle about his appointment as Japan Sports Agency Commissioner in Tokyo, Japan September 11, 2020. Eugene Hoshiko/Pool via REUTERS

Koji Murofushi, sports director for the Tokyo 2020 Olympic Games, takes off his protective mask before a media huddle about his appointment as Japan Sports Agency Commissioner in Tokyo, Japan September 11, 2020. Eugene Hoshiko/Pool via REUTERS

Koji Murofushi, sports director for the Tokyo 2020 Olympic Games, speaks during a media huddle about his appointment as Japan Sports Agency Commissioner in Tokyo, Japan September 11, 2020. Eugene Hoshiko/Pool via REUTERS

Koji Murofushi, sports director for the Tokyo 2020 Olympic Games, speaks during a media huddle about his appointment as Japan Sports Agency Commissioner in Tokyo, Japan September 11, 2020. Eugene Hoshiko/Pool via REUTERS

Koji Murofushi, sports director for the Tokyo 2020 Olympic Games, speaks during a media huddle about his appointment as Japan Sports Agency Commissioner in Tokyo, Japan September 11, 2020. Eugene Hoshiko/Pool via REUTERS

Koji Murofushi, sports director for the Tokyo 2020 Olympic Games, speaks during a media huddle about his appointment as Japan Sports Agency Commissioner in Tokyo, Japan September 11, 2020. Eugene Hoshiko/Pool via REUTERS

A screen shows a footage of Chinese President Xi Jinpingat the booth of the Beijing 2022 Olympic and Paralympic Winter Games, during 2020 China International Fair for Trade in Services (CIFTIS), following the COVID-19 outbreak, in Beijing, China September 5, 2020. REUTERS/Tingshu Wang

People wearing face masks walk near a booth of Yanqing competition area for the Beijing 2022 Olympic and Paralympic Winter Games, at the winter sports section of 2020 China International Fair for Trade in Services (CIFTIS), following the COVID-19 outbreak, in Beijing, China September 5, 2020. REUTERS/Tingshu Wang

Cabanas for U.S. Open players and their entourages are seen inside Billie Jean King National Tennis Center during the U.S. Open tennis tournament in the Queens borough of New York City, U.S., September 1, 2020. REUTERS/Amy Tennery

A "billiard soccer" set is seen in front of Arthur Ashe Stadium inside Billie Jean King National Tennis Center during the U.S. Open tennis tournament in the Queens borough of New York City, U.S., September 1, 2020. REUTERS/Amy Tennery

A miniature golf course is seen inside Billie Jean King National Tennis Center during the U.S. Open tennis tournament in the Queens borough of New York City, U.S., September 1, 2020. REUTERS/Amy Tennery

Signage bearing the words "Black Lives Matter" is seen inside Arthur Ashe Stadium on day one of the U.S. Open tennis tournament in the Queens borough of New York City, U.S., August 31, 2020. REUTERS/Amy Tennery

Yoshiro Mori, President of the Tokyo 2020 Olympic Games Organising Committee, holds the Olympic Flame during the display ceremony at Japan Olympic Museum in Tokyo, Japan August 31, 2020. Rodrigo Reyes Marin/Pool via REUTERS

Yasuhiro Yamashita, President of Japanese Olympic Committee (JOC), holds the Olympic Flame during the display ceremony at Japan Olympic Museum in Tokyo, Japan August 31, 2020. Rodrigo Reyes Marin/Pool via REUTERS

Representatives of the Tokyo Organising Committee of the Olympic and Paralympic Games (Tokyo 2020) and the Japanese Olympic Committee look at the Olympic Flame after the display ceremony at Japan Olympic Museum in Tokyo, Japan August 31, 2020. Rodrigo Reyes Marin/Pool via REUTERS

A member of staff wearing a face shield and face mask cleans the microphone to prevent the spreading of the coronavirus disease (COVID-19) during the display ceremony for the the Olympic Flame at Japan Olympic Museum in Tokyo, Japan August 31, 2020. Rodrigo Reyes Marin/Pool via REUTERS

Yoshiro Mori, President of the Tokyo 2020 Olympic Games Organising Committee, and Yasuhiro Yamashita, President of Japanese Olympic Committee (JOC), pose alongside other guests during the display ceremony for the the Olympic Flame at Japan Olympic Museum in Tokyo, Japan August 31, 2020. Rodrigo Reyes Marin/Pool via REUTERS

Yoshiro Mori, President of the Tokyo 2020 Olympic Games Organising Committee, delivers a speech during the display ceremony for the Olympic Flame at the Olympic Museum in Tokyo, Japan August 31, 2020. Rodrigo Reyes Marin/Pool via REUTERS

The Olympic Flame in lantern is seen on display at Japan Olympic Museum in Tokyo, Japan August 31, 2020. Rodrigo Reyes Marin/Pool via REUTERS

The Olympic Flame in lantern is seen on display at Japan Olympic Museum in Tokyo, Japan August 31, 2020. Rodrigo Reyes Marin/Pool via REUTERS

Yasuhiro Yamashita, President of Japanese Olympic Committee (JOC), delivers a speech during the the display ceremony for the Olympic Flame at the Olympic Museum in Tokyo, Japan August 31, 2020. Rodrigo Reyes Marin/Pool via REUTERS

Yasuhiro Yamashita, President of Japanese Olympic Committee (JOC), delivers a speech during the the display ceremony for the Olympic Flame at the Olympic Museum in Tokyo, Japan August 31, 2020. Rodrigo Reyes Marin/Pool via REUTERS

Yoshiro Mori, President of the Tokyo 2020 Olympic Games Organising Committee, wearing a face mask leaves the display ceremony for the Olympic Flame at the Olympic Museum in Tokyo, Japan August 31, 2020. Rodrigo Reyes Marin/Pool via REUTERS

Yasuhiro Yamashita, President of Japanese Olympic Committee (JOC), receives the Olympic Flame from Yoshiro Mori, President of the Tokyo 2020 Olympic Games Organising Committee, during the display ceremony at Japan Olympic Museum in Tokyo, Japan August 31, 2020. Rodrigo Reyes Marin/Pool via REUTERS

Yasuhiro Yamashita, President of Japanese Olympic Committee (JOC), holds the Olympic Flame during the display ceremony at Japan Olympic Museum in Tokyo, Japan August 31, 2020. Rodrigo Reyes Marin/Pool via REUTERS