Nishikori raises questions about holding the Tokyo Olympics
People who are against the Tokyo 2020 Olympics set to open in July, march around Tokyo's National Stadium during an anti-Olympics demonstration Sunday, May 9, 2021, (AP Photo/Eugene Hoshiko)

People who are against the Tokyo 2020 Olympics set to open in July, march around Tokyo's National Stadium during an anti-Olympics demonstration Sunday, May 9, 2021, (AP Photo/Eugene Hoshiko)

May. 09, 2021 07:30 AM EDT
Japan's Kei Nishikori returns the ball to Italy's Fabio Fognini during their match at the Italian Open tennis tournament, in Rome, Monday, May 10, 2021. (AP Photo/Gregorio Borgia)

Japan's Kei Nishikori returns the ball to Italy's Fabio Fognini during their match at the Italian Open tennis tournament, in Rome, Monday, May 10, 2021. (AP Photo/Gregorio Borgia)

May. 10, 2021 07:23 AM EDT
Japan's Naomi Osaka returns the ball during a training session at the Italian Open tennis tournament, in Rome, Monday, May 10, 2021. (AP Photo/Gregorio Borgia)

Japan's Naomi Osaka returns the ball during a training session at the Italian Open tennis tournament, in Rome, Monday, May 10, 2021. (AP Photo/Gregorio Borgia)

May. 10, 2021 05:52 AM EDT
People who are against the Tokyo 2020 Olympics set to open in July, march around Tokyo's National Stadium, back, during an anti-Olympics demonstration Sunday, May 9, 2021. (AP Photo/Eugene Hoshiko)

People who are against the Tokyo 2020 Olympics set to open in July, march around Tokyo's National Stadium, back, during an anti-Olympics demonstration Sunday, May 9, 2021. (AP Photo/Eugene Hoshiko)

May. 09, 2021 07:46 AM EDT
Japan's Kei Nishikori changes his shirt during a match against Italy's Fabio Fognini at the Italian Open tennis tournament, in Rome, Monday, May 10, 2021. (AP Photo/Gregorio Borgia)

Japan's Kei Nishikori changes his shirt during a match against Italy's Fabio Fognini at the Italian Open tennis tournament, in Rome, Monday, May 10, 2021. (AP Photo/Gregorio Borgia)

May. 10, 2021 07:23 AM EDT