Aska Cambridge (front) competes in preliminary round of the men's 100-meter competition on Saturday at the 2016 Rio Olympics. | KYODO
Aska Cambridge (front) competes in preliminary round of the men's 100-meter competition on Saturday at the 2016 Rio Olympics. | KYODO

Kei Nishikori returns a shot during a 6-1, 6-4 loss to Andy Murray in the semifinals of the men's singles competition on Saturday at the 2016 Rio Olympics. | KYODO
Kei Nishikori returns a shot during a 6-1, 6-4 loss to Andy Murray in the semifinals of the men's singles competition on Saturday at the 2016 Rio Olympics. | KYODO

Mima Ito (left), playing with doubles partner Ai Fukuhara, hits a shot during Japan's women's table tennis team quarterfinal match against Austria at the 2016 Rio Olympics on Saturday. | KYODO
Mima Ito (left), playing with doubles partner Ai Fukuhara, hits a shot during Japan's women's table tennis team quarterfinal match against Austria at the 2016 Rio Olympics on Saturday. | KYODO

Eita Mori shoots during the men's 25-meter rapid fire pistol qualification round at the 2016 Summer Olympics in Rio de Janeiro. | KYODO
Eita Mori shoots during the men's 25-meter rapid fire pistol qualification round at the 2016 Summer Olympics in Rio de Janeiro. | KYODO

Britain's Mo Farah kisses the track after winning the men's 10,000-meter final during the 2016 Summer Olympics in Rio de Janeiro on Saturday. | KYODO
Britain's Mo Farah kisses the track after winning the men's 10,000-meter final during the 2016 Summer Olympics in Rio de Janeiro on Saturday. | KYODO

Monica Puig celebrates with a Puerto Rican flag after winning the women's singles tennis final at the 2016 Rio Olympics on Saturday. It was the first-ever Olympic gold medal for Puerto Rico. | KYODO
Monica Puig celebrates with a Puerto Rican flag after winning the women's singles tennis final at the 2016 Rio Olympics on Saturday. It was the first-ever Olympic gold medal for Puerto Rico. | KYODO