Team GB taekwondo athlete Lutalo Muhammad trains with his father at home in Walthamstow, following the outbreak of the coronavirus disease (COVID-19), London, Britain, May 24, 2020. REUTERS/Paul Childs

Team GB taekwondo athlete Lutalo Muhammad trains with his father at home in Walthamstow, following the outbreak of the coronavirus disease (COVID-19), London, Britain, May 24, 2020. REUTERS/Paul Childs

Team GB taekwondo athlete Lutalo Muhammad trains at his home in Walthamstow, following the outbreak of the coronavirus disease (COVID-19), London, Britain, May 24, 2020. REUTERS/Paul Childs TPX IMAGES OF THE DAY

Team GB taekwondo athlete Lutalo Muhammad trains at his home in Walthamstow, following the outbreak of the coronavirus disease (COVID-19), London, Britain, May 24, 2020. REUTERS/Paul Childs

Team GB taekwondo athlete Lutalo Muhammad trains at his home in Walthamstow, following the outbreak of the coronavirus disease (COVID-19), London, Britain, May 24, 2020. REUTERS/Paul Childs

Team GB taekwondo athlete Lutalo Muhammad trains at his home in Walthamstow, following the outbreak of the coronavirus disease (COVID-19), London, Britain, May 24, 2020. REUTERS/Paul Childs TPX IMAGES OF THE DAY

Team GB taekwondo athlete Lutalo Muhammad trains at his home in Walthamstow, following the outbreak of the coronavirus disease (COVID-19), London, Britain, May 24, 2020. REUTERS/Paul Childs

Team GB taekwondo athlete Lutalo Muhammad trains at his home in Walthamstow, following the outbreak of the coronavirus disease (COVID-19), London, Britain, May 24, 2020. REUTERS/Paul Childs

Team GB taekwondo athlete Lutalo Muhammad poses for a photograph during a training session at home in Walthamstow, following the outbreak of the coronavirus disease (COVID-19), London, Britain, May 24, 2020. REUTERS/Paul Childs

Team GB taekwondo athlete Lutalo Muhammad trains at his home in Walthamstow, following the outbreak of the coronavirus disease (COVID-19), London, Britain, May 24, 2020. REUTERS/Paul Childs

Team GB taekwondo athlete Lutalo Muhammad trains at his home in Walthamstow, following the outbreak of the coronavirus disease (COVID-19), London, Britain, May 24, 2020. REUTERS/Paul Childs

Team GB taekwondo athlete Lutalo Muhammad trains at his home in Walthamstow, following the outbreak of the coronavirus disease (COVID-19), London, Britain, May 24, 2020. REUTERS/Paul Childs

Team GB taekwondo athlete Lutalo Muhammad trains at his home in Walthamstow, following the outbreak of the coronavirus disease (COVID-19), London, Britain, May 24, 2020. REUTERS/Paul Childs

Iranian taekwondo competitor Farzad Zolghadri practices with Bulgarian national taekwondo team coach Teodor Georgiev during a training session in Sofia, Bulgaria, January 30, 2020. REUTERS/Stoyan Nenov

Iranian taekwondo competitor Farzad Zolghadri listens to Bulgarian national taekwondo team coach Teodor Georgiev during a training session in Sofia, Bulgaria, January 30, 2020. REUTERS/Stoyan Nenov

Iranian taekwondo competitor Farzad Zolghadri warms up during a training session in Sofia, Bulgaria, January 30, 2020. REUTERS/Stoyan Nenov

Iranian taekwondo competitor Farzad Zolghadri warms up during a training session in Sofia, Bulgaria, January 30, 2020. REUTERS/Stoyan Nenov

Iranian taekwondo competitor Farzad Zolghadri and the head of Bulgarian Taekwondo Federation Slavi Binev pose for pictures after attending a news conference at Vasil Levski stadium in Sofia, Bulgaria, January 30, 2020. REUTERS/Stoyan Nenov

The head of Bulgarian Taekwondo Federation Slavi Binev speaks during a news conference at Vasil Levski stadium in Sofia, Bulgaria, January 30, 2020. REUTERS/Stoyan Nenov

Iranian taekwondo competitor Farzad Zolghadri and the head of Bulgarian Taekwondo Federation Slavi Binev attend a news conference at Vasil Levski stadium in Sofia, Bulgaria, January 30, 2020. REUTERS/Stoyan Nenov

Iranian taekwondo competitor Farzad Zolghadri speaks during a news conference at Vasil Levski stadium in Sofia, Bulgaria, January 30, 2020. REUTERS/Stoyan Nenov

Iranian taekwondo competitor Farzad Zolghadri attends a news conference at Vasil Levski stadium in Sofia, Bulgaria, January 30, 2020. REUTERS/Stoyan Nenov

Taekwondo - Iran's only female Olympic medallist Kimia Alizadeh holds a press conference - Musado Training Center, Lunen, Germany - January 24, 2020 Kimia Alizadeh with the media after the press conference REUTERS/Leon Kuegeler

Taekwondo - Iran's only female Olympic medallist Kimia Alizadeh holds a press conference - Musado Training Center, Lunen, Germany - January 24, 2020 Kimia Alizadeh with the media after the press conference REUTERS/Leon Kuegeler

Taekwondo - Iran's only female Olympic medallist Kimia Alizadeh holds a press conference - Musado Training Center, Lunen, Germany - January 24, 2020 Kimia Alizadeh with the media after the press conference REUTERS/Leon Kuegeler

Taekwondo - Iran's only female Olympic medallist Kimia Alizadeh holds a press conference - Musado Training Center, Lunen, Germany - January 24, 2020 Kimia Alizadeh with the media after the press conference REUTERS/Leon Kuegeler

Taekwondo - Iran's only female Olympic medallist Kimia Alizadeh holds a press conference - Musado Training Center, Lunen, Germany - January 24, 2020 Kimia Alizadeh with the media after the press conference REUTERS/Leon Kuegeler

Taekwondo - Iran's only female Olympic medallist Kimia Alizadeh holds a press conference - Musado Training Center, Lunen, Germany - January 24, 2020 Kimia Alizadeh during the press conference REUTERS/Leon Kuegeler

Taekwondo - Iran's only female Olympic medallist Kimia Alizadeh holds a press conference - Musado Training Center, Lunen, Germany - January 24, 2020 Kimia Alizadeh during the press conference REUTERS/Leon Kuegeler

Taekwondo - Iran's only female Olympic medallist Kimia Alizadeh holds a press conference - Musado Training Center, Lunen, Germany - January 24, 2020 Kimia Alizadeh during the press conference REUTERS/Leon Kuegeler

Taekwondo - Iran's only female Olympic medallist Kimia Alizadeh holds a press conference - Musado Training Center, Lunen, Germany - January 24, 2020 Kimia Alizadeh during the press conference REUTERS/Leon Kuegeler

Taekwondo - Iran's only female Olympic medallist Kimia Alizadeh holds a press conference - Musado Training Center, Lunen, Germany - January 24, 2020 Kimia Alizadeh during the press conference REUTERS/Leon Kuegeler

Southeast Asian Games - Taekwondo - Men's Recognized Poomsae Team - Final - Rizal Memorial Sports Centre, Manila, Philippines - December 7, 2019 Vietnam's Le Thanh Trung, Tran Tien Khoa and Nguyen Thien Phung during the men's recognized poomsae team final REUTERS/Feline Lim

Southeast Asian Games - Taekwondo - Women's Recognized Poomsae Individual - Final - Rizal Memorial Sports Centre, Manila, Philippines - December 7, 2019 Singapore's Sim Chelsea Ann Shu Zhen performs during the poomsae individual final REUTERS/Feline Lim

Southeast Asian Games - Taekwondo - Men's Recognized Poomsae Team - Final - Rizal Memorial Sports Centre, Manila, Philippines - December 7, 2019 Philippines' Reyes Rodolfo Jr, Mella Dustin Jacob and Mella Raphael Enrico during the men's recognized poomsae team final REUTERS/Feline Lim

Southeast Asian Games - Taekwondo - Women's Recognized Poomsae Team - Final - Rizal Memorial Sports Centre, Manila, Philippines - December 7, 2019 Thailand's Srisahakit Ornawee, Chomchuen Kotchawan and Phaisankiattikun Phenkaya perform during the poomsae team final REUTERS/Feline Lim

Southeast Asian Games - Taekwondo - Women's Recognized Poomsae Team - Final - Rizal Memorial Sports Centre, Manila, Philippines - December 7, 2019 Indonesia's Rosmaniar Defia, Putri Rachmania and Ruhil perform during the poomsae team final REUTERS/Feline Lim

Southeast Asian Games - Taekwondo - Men's Recognized Poomsae Individual - Final - Rizal Memorial Sports Centre, Manila, Philippines - December 7, 2019 Philippines' Reyes Rodolfo Jr in action REUTERS/Feline Lim

Southeast Asian Games - Taekwondo - Women's Recognized Poomsae Individual - Final - Rizal Memorial Sports Centre, Manila, Philippines - December 7, 2019 Philippines' Ninobla Jocel Lyn celebrates winning the women's recognized poomsae individual final REUTERS/Feline Lim

Southeast Asian Games - Taekwondo - Men's Recognized Poomsae Individual - Final - Rizal Memorial Sports Centre, Manila, Philippines - December 7, 2019 Philippines' Reyes Rodolfo Jr celebrates winning the men's recognized poomsae individual final REUTERS/Feline Lim

XVIII Pan American Games - Lima 2019 - Taekwondo - Women's Over 67kg Final - Callao Sports Center, Lima, Peru - July 29, 2019. Pan Am Games personnel stand during the medal ceremony. REUTERS/Susana Vera

XVIII Pan American Games - Lima 2019 - Taekwondo - Women's Under 67kg Final - Callao Sports Center, Lima, Peru - July 29, 2019. Brazil's Milena Titoneli celebrates with United States' Paige McPherson, Cuba's Arlettys Acosta and Colombia's Katherine Dumar on the podium after winning gold, silver and two bronzes respectively. REUTERS/Susana Vera

XVIII Pan American Games - Lima 2019 - Taekwondo - Women's Over 67kg Final - Callao Sports Center, Lima, Peru - July 29, 2019. Mexico's Briseida Acosta celebrates with Colombia's Gloria Mosquera, Brazil's Raiany Fidelis and United States' Madelynn Gorman on the podium after winning gold, silver and two bronzes respectively. REUTERS/Susana Vera

XVIII Pan American Games - Lima 2019 - Taekwondo - Women's Over 67kg Final - Callao Sports Center, Lima, Peru - July 29, 2019. Mexico's Briseida Acosta celebrates with Colombia's Gloria Mosquera, Brazil's Raiany Fidelis and United States' Madelynn Gorman on the podium after winning gold, silver and two bronzes respectively. REUTERS/Susana Vera

XVIII Pan American Games - Lima 2019 - Taekwondo - Women's Over 67kg Final - Callao Sports Center, Lima, Peru - July 29, 2019. Mexico's Briseida Acosta on the podium after winning gold. REUTERS/Susana Vera

XVIII Pan American Games - Lima 2019 - Taekwondo - Women's Over 67kg Final - Callao Sports Center, Lima, Peru - July 29, 2019. Mexico's Briseida Acosta has her picture taken before accepting her gold medal during the medal ceremony. REUTERS/Susana Vera

XVIII Pan American Games - Lima 2019 - Taekwondo - Women's Under 67kg Final - Callao Sports Center, Lima, Peru - July 29, 2019. Brazil's Milena Titoneli stands for the playing of the national anthem with United States' Paige McPherson, Cuba's Arlettys Acosta and Colombia's Katherine Dumar on the podium after winning gold, silver and two bronzes respectively. REUTERS/Susana Vera

XVIII Pan American Games - Lima 2019 - Taekwondo - Women's Under 67kg Final - Callao Sports Center, Lima, Peru - July 29, 2019. Brazil's Milena Titoneli celebrates with United States' Paige McPherson, Cuba's Arlettys Acosta and Colombia's Katherine Dumar on the podium after winning gold, silver and two bronzes respectively. REUTERS/Susana Vera

XVIII Pan American Games - Lima 2019 - Taekwondo - Women's Under 67kg Final - Callao Sports Center, Lima, Peru - July 29, 2019. Brazil's Milena Titoneli celebrates with United States' Paige McPherson, Cuba's Arlettys Acosta and Colombia's Katherine Dumar on the podium after winning gold, silver and two bronzes respectively. REUTERS/Susana Vera

XVIII Pan American Games - Lima 2019 - Taekwondo - Men's Over 80kg Final - Callao Sports Center, Lima, Peru - July 29, 2019. The United States' flag is raised during the medal ceremony after USA's Jonathan Healy won gold in the event. REUTERS/Susana Vera

XVIII Pan American Games - Lima 2019 - Taekwondo - Men's Over 80kg Final - Callao Sports Center, Lima, Peru - July 29, 2019. United States' Jonathan Healy celebrates on the podium after winning gold. REUTERS/Susana Vera

XVIII Pan American Games - Lima 2019 - Taekwondo - Men's Over 80kg Final - Callao Sports Center, Lima, Peru - July 29, 2019. United States' Jonathan Healy celebrates with Cuba's Rafael Alba, Brazil's Maicon de Andrade and Mexico's Carlos Sansores on the podium after winning gold, silver and two bronzes respectively. REUTERS/Susana Vera

XVIII Pan American Games - Lima 2019 - Taekwondo - Men's Over 80kg Final - Callao Sports Center, Lima, Peru - July 29, 2019. United States' Jonathan Healy celebrates with Cuba's Rafael Alba, Brazil's Maicon de Andrade and Mexico's Carlos Sansores on the podium after winning gold, silver and two bronzes respectively. REUTERS/Susana Vera

XVIII Pan American Games - Lima 2019 - Taekwondo - Men's Under 80kg Final - Callao Sports Center, Lima, Peru - July 29, 2019. Brazil's Icaro Martins celebrates on the podium after winning silver. REUTERS/Susana Vera

XVIII Pan American Games - Lima 2019 - Taekwondo - Men's Under 80kg Final - Callao Sports Center, Lima, Peru - July 29, 2019. Colombia's Miguel Angel Trejos celebrates after winning gold. REUTERS/Susana Vera

XVIII Pan American Games - Lima 2019 - Taekwondo - Men's Under 80kg Final - Callao Sports Center, Lima, Peru - July 29, 2019. Colombia's Miguel Angel Trejos celebrates with Brazil's Icaro Martins, Cuba's Jose Cobas and Dominican Republic's Moises Hernandez on the podium after winning gold, silver and two bronzes, respectively REUTERS/Susana Vera

XVIII Pan American Games - Lima 2019 - Taekwondo - Men's Under 80kg Final - Callao Sports Center, Lima, Peru - July 29, 2019. Colombia's Miguel Angel Trejos celebrates with Brazil's Icaro Martins, Cuba's Jose Cobas and Dominican Republic's Moises Hernandez on the podium after winning gold, silver and two bronzes, respectively REUTERS/Susana Vera

XVIII Pan American Games - Lima 2019 - Taekwondo - Women's Under 67kg Final - Callao Sports Center, Lima, Peru - July 29, 2019. Brazil's Milena Titoneli celebrates after defeating United States' Paige McPherson. REUTERS/Susana Vera

XVIII Pan American Games - Lima 2019 - Taekwondo - Women's Over 67kg Final - Callao Sports Center, Lima, Peru - July 29, 2019. Mexico's Briseida Acosta celebrates her gold medal victory over Colombia's Gloria Mosquera. REUTERS/Susana Vera

XVIII Pan American Games - Lima 2019 - Taekwondo - Women's Over 67kg Final - Callao Sports Center, Lima, Peru - July 29, 2019. Mexico's Briseida Acosta in action against Colombia's Gloria Mosquera. REUTERS/Susana Vera