Mary, who was closely involved with the women’s hockey team before the Rio Olympics in 2016, made her international debut in 1992.
Several other tennis players, like Rafael Nadal, Serena Williams, Naomi Osaka, and Kei Nishikori are also unsure of their participation.
The government is likely to extend Tokyo's emergency and put the same order on northern Hokkaido, which is set to host the marathon.
Saina Nehwal and Kidambi Srikanth were looking forward to the Singapore Open, seen as their last chance to book their spot in the Tokyo Olympics.
Horton had refused to stand on the podium with Yang at the world championship in 2018 and had also branded him a "drug cheat" at Rio.
Sabre fencer C. A. Bhavani Devi created history by becoming the first Indian fencer to qualify for the Olympics.
Chopra has not featured in any international competition since securing his place in the Olympics, in South Africa in 2020.
Nishikori is currently participating in the Italian Open and expressed his opinion after winning a match in the first round of the tournament.
AFI president Adille Sumariwalla says India's preperation for the Tokyo Olympics was impacted by the second coronavirus waved in India.
Chanu said that she was looking forward to competing against athletes all around the globe and that she’s worked hard to hone her technique.