Kaori Icho of Japan (red) competes against Valeriia Koblova Zholobova of the Russian Federation during the Women's Freestyle 58 kg Gold Medal match on Day 12 of the Rio 2016 Olympic Games at Caioca Arena 2 on August 17, 2016 in Rio de Janeiro, Brazil.

Shaunae Miller of Bahamas, Arthur Nory Mariano of Brazil, Kaori Icho of Japan dance on stage during the Closing Ceremony on Day 16 of the Rio 2016 Olympic Games at Maracana Stadium on August 21, 2016 in Rio de Janeiro, Brazil.

Shaunae Miller of Bahamas, Arthur Nory Mariano of Brazil, Kaori Icho of Japan, Pita Taufatofua of Tonga and Yusra Mardini of the Refugee Olympic Team on stage during the Closing Ceremony on Day 16 of the Rio 2016 Olympic Games at Maracana Stadium on August 21, 2016 in Rio de Janeiro, Brazil.

BEIJING - AUGUST 17: Gold medalist Kaori Icho of Japan competes against Alena Kartashova of Russia the Women's Freestyle 63 kg Gold Medal Boult held at the China Agriculture University Gymnasium on Day 9 of the Beijing 2008 Olympic Games on August 17, 2008 in Beijing, China.

London 2012 - Kaori Icho (in red) of Japan faces Jing Ruixue of China for the gold medal in women’s 63kg freestyle wrestling on 8 August, 2012 in ExCel. Japan wins three of four gold medals in women’s freestyle wrestling.

London 2012 - Kaori Icho knocks the wind out of Jing Ruixue of China as the women’s wrestler from Japan works win the gold medal match of 63kg freestyle.

Kawanaka Kaori of Japan competes during the Women's Team Eliminations match between Japan and Ukraine on Day 2 of the Rio 2016 Olympic Games at the Sambodromo on August 7, 2016 in Rio de Janeiro, Brazil.

ATHENS - AUGUST 23: Irini Merleni of Ukraine celebrates after beating Chiharu Icho of Japan at the women's Freestyle wrestling 48 kg qualification round on August 23, 2004 during the Athens 2004 Summer Olympic Games at Ano Liossia Olympic Hall in Athens, Greece. (Photo by Stuart Franklin/Getty Images) *** Local Caption *** Irini Merleni

ATHENS - AUGUST 23: (L-R) Angelique Berthenet (bronze) of France, Irini Merleni (gold) of Ukraine and Chiharu Icho (silver) of Japan receive their medals for the women's Freestyle wrestling 48 kg event on August 23, 2004 during the Athens 2004 Summer Olympic Games at Ano Liossia Olympic Hall in Athens, Greece. (Photo by Stuart Franklin/Getty Images) *** Local Caption *** Angelique Berthene;Irini Merleni;Chiharu Icho

ATHENS - AUGUST 23: Irini Merleni of the Ukraine (blue) celebrates after beating Chiharu Icho of Japan in the women's Freestyle wrestling 48 kg gold medal match on August 23, 2004 during the Athens 2004 Summer Olympic Games at Ano Liossia Olympic Hall in Athens, Greece. (Photo by Al Bello/Getty Images) *** Local Caption *** Irini Merleni;Chiharu Icho