Tokyo 2020 Olympics - Golf - Men's Individual - Final - Round 4 - Kasumigaseki Country Club - Kawagoe, Saitama, Japan - August 1, 2021. Pan Cheng Tsung of Taiwan shakes hands with Collin Morikawa of the United States. REUTERS/Murad Sezer

Tokyo 2020 Olympics - Golf - Men's Individual - Final - Round 4 - Kasumigaseki Country Club - Kawagoe, Saitama, Japan - August 1, 2021. Abraham Ancer of Mexico and Cameron Smith of Australia shake hands. REUTERS/Toby Melville

Tokyo 2020 Olympics - Table Tennis - Women's Team - Last 16 - Tokyo Metropolitan Gymnasium - Tokyo, Japan - August 1, 2021. Sun Yingsha of China and Wang Manyu of China shake hands after beating Jia Liu of Austria and Yuan Liu of Austria REUTERS/Thomas Peter

Tokyo 2020 Olympics - Golf - Men's Individual - Final - Round 4 - Kasumigaseki Country Club - Kawagoe, Saitama, Japan - August 1, 2021. Collin Morikawa of the United States shakes hands with his caddie. REUTERS/Toby Melville

Tokyo 2020 Olympics - Wrestling - Greco-Roman - Men's 60kg - Quarterfinal - Makuhari Messe Hall A, Chiba, Japan - August 1, 2021. Victor Ciobanu of Moldova and Zholaman Sharshenbekov of Kyrgyzstan shake hands REUTERS/Piroschka Van De Wouw

Tokyo 2020 Olympics - Tennis - Women's Singles - Bronze medal match - Ariake Tennis Park - Tokyo, Japan - July 31, 2021. Elina Svitolina of Ukraine shakes hands with Elena Rybakina of Kazakhstan after winning her bronze medal match REUTERS/Mike Segar

Tokyo 2020 Olympics - Tennis - Women's Singles - Bronze medal match - Ariake Tennis Park - Tokyo, Japan - July 31, 2021. Elina Svitolina of Ukraine shakes hands with Elena Rybakina of Kazakhstan after winning her bronze medal match REUTERS/Yara Nardi

Tokyo 2020 Olympics - Basketball - Men - Group B - Australia v Germany - Saitama Super Arena, Saitama, Japan - July 31, 2021. Matisse Thybulle of Australia shakes hands with Niels Giffey of Germany after the match REUTERS/Brian Snyder

Tokyo 2020 Olympics - Tennis - Men's Singles - Bronze medal match - Ariake Tennis Park - Tokyo, Japan - July 31, 2021. Pablo Carreno of Spain shakes hands with Novak Djokovic of Serbia after winning his bronze medal match REUTERS/Mike Segar

Tokyo 2020 Olympics - Tennis - Men's Singles - Bronze medal match - Ariake Tennis Park - Tokyo, Japan - July 31, 2021. Pablo Carreno of Spain shakes hands with Novak Djokovic of Serbia after winning his bronze medal match REUTERS/Edgar Su

Tokyo 2020 Olympics - Tennis - Men's Singles - Bronze medal match - Ariake Tennis Park - Tokyo, Japan - July 31, 2021. Pablo Carreno of Spain shakes hands with Novak Djokovic of Serbia after winning his bronze medal match REUTERS/Edgar Su

Tokyo 2020 Olympics - Tennis - Women's Doubles - Bronze medal match - Ariake Tennis Park - Tokyo, Japan - July 31, 2021. Laura Pigossi of Brazil and Luisa Stefani of Brazil shakes hands with Elena Vesnina of the Russian Olympic Committee and Veronika Kudermetova of the Russian Olympic Committee after winning their bronze medal match REUTERS/Yara Nardi

Tokyo 2020 Olympics - Golf - Men's Individual - Final - Round 3 - Kasumigaseki Country Club - Kawagoe, Saitama, Japan - July 31, 2021. Xander Schauffele of the United States shakes hands with Hideki Matsuyama of Japan. REUTERS/Toby Melville

Tokyo 2020 Olympics - Judo - Mixed Team - Repechage Round - Nippon Budokan - Tokyo, Japan - July 31, 2021. Eduard Trippel of Germany and Saeid Mollaei of Mongolia shake hands after their match REUTERS/Annegret Hilse

Tokyo 2020 Olympics - Judo - Mixed Team - Quarterfinal - Nippon Budokan - Tokyo, Japan - July 31, 2021. Russian Olympic Committee team shakes hands with team Mongolia after the match REUTERS/Annegret Hilse

Tokyo 2020 Olympics - Judo - Mixed Team - Quarterfinal - Nippon Budokan - Tokyo, Japan - July 31, 2021. Team Japan and team Germany shake hands after the match REUTERS/Annegret Hilse

Tokyo 2020 Olympics - Judo - Mixed Team - Quarterfinal - Nippon Budokan - Tokyo, Japan - July 31, 2021. Uta Abe of Japan and Theresa Stoll of Germany shake hands after the match REUTERS/Annegret Hilse

Tokyo 2020 Olympics - Water Polo - Men - Group B - Montenegro v Kazakhstan - Tatsumi Water Polo Centre, Tokyo, Japan - July 31, 2021. Kazakhstan's head coach Nemanja Knezevic shakes hands with Montenegro's head coach Vladimir Gojkovic. REUTERS/Gonzalo Fuentes

Portugal's President Marcelo Rebelo de Sousa shakes hands with former Brazil's President Luiz Inacio Lula da Silva as they meet in Sao Paulo, Brazil July 30, 2021. REUTERS/Carla Carniel

Portugal's President Marcelo Rebelo de Sousa shakes hands with former Brazil's President Luiz Inacio Lula da Silva as they meet in Sao Paulo, Brazil July 30, 2021. REUTERS/Carla Carniel

Tokyo 2020 Olympics - Table Tennis - Men's Singles - Gold medal match - Tokyo Metropolitan Gymnasium - Tokyo, Japan - July 30, 2021. Ma Long of China and Fan Zhendong of China shake hands after their match REUTERS/Thomas Peter

Tokyo 2020 Olympics - Table Tennis - Men's Singles - Bronze medal match - Tokyo Metropolitan Gymnasium - Tokyo, Japan - July 30, 2021. Dimitrij Ovtcharov of Germany shakes hands with Lin Yun-Ju of Taiwan after winning the match Pool via REUTERS/Antonin Thuillier

Tokyo 2020 Olympics - Table Tennis - Men's Singles - Bronze medal match - Tokyo Metropolitan Gymnasium - Tokyo, Japan - July 30, 2021. Dimitrij Ovtcharov of Germany shakes hands with Lin Yun-Ju of Taiwan after winning the match Pool via REUTERS/Antonin Thuillier

Tokyo 2020 Olympics - Table Tennis - Men's Singles - Bronze medal match - Tokyo Metropolitan Gymnasium - Tokyo, Japan - July 30, 2021. Dimitrij Ovtcharov of Germany shakes hands with Lin Yun-Ju of Taiwan after winning the match Pool via REUTERS/Antonin Thuillier

Tokyo 2020 Olympics - Athletics - Men's 10000m - OLS - Olympic Stadium, Tokyo, Japan - July 30, 2021. Selemon Barega of Ethiopia shakes hands with Mohammed Ahmed of Canada after winning the final REUTERS/Lucy Nicholson

Tokyo 2020 Olympics - Table Tennis - Men's Singles - Bronze medal match - Tokyo Metropolitan Gymnasium - Tokyo, Japan - July 30, 2021. Dimitrij Ovtcharov of Germany shakes hands with Lin Yun-Ju of Taiwan after winning the match REUTERS/Luisa Gonzalez

Tokyo 2020 Olympics - Swimming - Men's 1500m Freestyle - Heats - Tokyo Aquatics Centre - Tokyo, Japan - July 30, 2021. Robert Finke of the United States shakes his head after competing REUTERS/Marko Djurica

Tokyo 2020 Olympics - Tennis - Men's Doubles - Gold medal match - Ariake Tennis Park - Tokyo, Japan - July 30, 2021. Mate Pavic of Croatia and Nikola Mektic of Croatia shakes hands with Ivan Dodig of Croatia and Marin Cilic of Croatia after winning their gold medal match.REUTERS/Edgar Su

Tokyo 2020 Olympics - Tennis - Men's Doubles - Gold medal match - Ariake Tennis Park - Tokyo, Japan - July 30, 2021. Mate Pavic of Croatia shakes hands with Nikola Mektic of Croatia after winning their gold medal match against Ivan Dodig of Croatia and Marin Cilic of Croatia REUTERS/Edgar Su

Tokyo 2020 Olympics - Basketball - Women - Group B - France v Nigeria - Saitama Super Arena, Saitama, Japan - July 30, 2021. Sandrine Gruda of France and teammates shakes hands with Nigeria players after the match REUTERS/Brian Snyder

Tokyo 2020 Olympics - Tennis - Men's Singles - Semifinal - Ariake Tennis Park - Tokyo, Japan - July 30, 2021. Alexander Zverev of Germany shakes hands with Novak Djokovic of Serbia after winning his semifinal match REUTERS/Mike Segar

Tokyo 2020 Olympics - Tennis - Men's Singles - Semifinal - Ariake Tennis Park - Tokyo, Japan - July 30, 2021. Karen Khachanov of the Russian Olympic Committee shakes hands with Pablo Carreno of Spain after winning his semifinal match. REUTERS/Mike Segar

Tokyo 2020 Olympics - Canoe Slalom - Men's K1 - Final - Kasai Canoe Slalom Centre, Tokyo, Japan - July 30, 2021. Felix Oschmautz of Austria shakes hands with a coach after competing REUTERS/Yara Nardi

United States Defense Secretary Lloyd Austin (L) and Philippines' Defense Secretary Delfin Lorenzana (R) shake hands after a bilateral meeting at Camp Aguinaldo military camp in Quezon City, Metro Manila, Philippines, July 30, 2021. Rolex Dela Pena/Pool via REUTERS

United States Defense Secretary Lloyd Austin (L) and Philippines' Defense Secretary Delfin Lorenzana (R) shake hands after a bilateral meeting at Camp Aguinaldo military camp in Quezon City, Metro Manila, Philippines, July 30, 2021. Rolex Dela Pena/Pool via Reuters

Tokyo 2020 Olympics - Athletics - Men's Discus Throw - Qualification - OLS - Olympic Stadium, Tokyo, Japan - July 30, 2021. Daniel Jasinski of Germany shakes hands with Piotr Malachowski of Poland REUTERS/Aleksandra Szmigiel

Tokyo 2020 Olympics - Basketball - Men - Group C - Spain v Argentina - Saitama Super Arena, Saitama, Japan - July 29, 2021. Ricky Rubio of Spain shakes hands with Argentina players after the match REUTERS/Alkis Konstantinidis

Tokyo 2020 Olympics - Basketball - Men - Group C - Spain v Argentina - Saitama Super Arena, Saitama, Japan - July 29, 2021. Luis Scola of Argentina shakes hands with Pau Gasol of Spain after the match REUTERS/Alkis Konstantinidis

Tokyo 2020 Olympics - Tennis - Mixed Doubles - Quarterfinal - Ariake Tennis Park - Tokyo, Japan - July 29, 2021 Aslan Karatsev of the Russian Olympic Committee and Elena Vesnina of the Russian Olympic Committee shake hands with Iga Swiatek of Poland and Lukasz Kubot of Poland after winning their quarterfinal match REUTERS/Mike Segar

Tokyo 2020 Olympics - Table Tennis - Women's Singles - Gold medal match - Tokyo Metropolitan Gymnasium - Tokyo, Japan - July 29, 2021. Chen Meng of China and Sun Yingsha of China shake hands after Chen won the match REUTERS/Hannah Mckay

Tokyo 2020 Olympics - Tennis - Women's Singles - Semifinal - Ariake Tennis Park - Tokyo, Japan - July 29, 2021 Marketa Vondrousova of Czech Republic shakes hands with Elina Svitolina of Ukraine after winning her semifinal match REUTERS/Edgar Su

Tokyo 2020 Olympics - Tennis - Mixed Doubles - Quarterfinal - Ariake Tennis Park - Tokyo, Japan - July 29, 2021 Ashleigh Barty of Australia and John Peers of Australia shake hands with Maria Sakkari of Greece and Stefanos Tsitsipas of Greece after winning their quarterfinal match REUTERS/Edgard Garrido

Tokyo 2020 Olympics - Tennis - Mixed Doubles - Quarterfinal - Ariake Tennis Park - Tokyo, Japan - July 29, 2021 Ashleigh Barty of Australia and John Peers of Australia shake hands with Maria Sakkari of Greece and Stefanos Tsitsipas of Greece after winning their quarterfinal match REUTERS/Edgard Garrido

Tokyo 2020 Olympics - Tennis - Men's Singles - Quarterfinal - Ariake Tennis Park - Tokyo, Japan - July 29, 2021 Pablo Carreno of Spain shakes hands with Daniil Medvedev of the Russian Olympic Committee after winning his quarterfinal match REUTERS/Mike Segar

Tokyo 2020 Olympics - Tennis - Men's Singles - Quarterfinal - Ariake Tennis Park - Tokyo, Japan - July 29, 2021 Novak Djokovic of Serbia shakes hands with Kei Nishikori of Japan after winning his quarterfinal match REUTERS/Edgar Su

Tokyo 2020 Olympics - Tennis - Men's Singles - Quarterfinal - Ariake Tennis Park - Tokyo, Japan - July 29, 2021 Novak Djokovic of Serbia shakes hands with Kei Nishikori of Japan after winning his quarterfinal match REUTERS/Edgar Su

Tokyo 2020 Olympics - Boxing - Men's Super Heavyweight - Last 16 - Kokugikan Arena - Tokyo, Japan - July 29, 2021. Maxime Yegnong Njieyo of Cameroon and Ivan Veryasov of the Russian Olympic Committee shake hands after their fight Pool via REUTERS/Luis Robayo

Tokyo 2020 Olympics - Tennis - Mixed Doubles - Quarterfinal - Ariake Tennis Park - Tokyo, Japan - July 29, 2021 Anastasia Pavlyuchenkova of the Russian Olympic Committee and Andrey Rublev of the Russian Olympic Committee shake hands with Ben McLachlan of Japan and Ena Shibahara of Japan after winning their quarterfinal match REUTERS/Edgard Garrido

Tokyo 2020 Olympics - Table Tennis - Men's Singles - Semifinal - Tokyo Metropolitan Gymnasium - Tokyo, Japan - July 29, 2021. Ma Long of China and Dimitrij Ovtcharov of Germany shake hands after Ma won the match Pool via REUTERS/Antonin Thuillier

Tokyo 2020 Olympics - Table Tennis - Men's Singles - Semifinal - Tokyo Metropolitan Gymnasium - Tokyo, Japan - July 29, 2021. Ma Long of China and Dimitrij Ovtcharov of Germany shake hands after Ma won the match REUTERS/Luisa Gonzalez

Tokyo 2020 Olympics - Tennis - Women's Singles - Semifinal - Ariake Tennis Park - Tokyo, Japan - July 29, 2021 Belinda Bencic of Switzerland shakes hands with Elena Rybakina of Kazakhstan after winning her semifinal match REUTERS/Edgar Su

Tokyo 2020 Olympics - Tennis - Men's Singles - Quarterfinal - Ariake Tennis Park - Tokyo, Japan - July 29, 2021 Karen Khachanov of the Russian Olympic Committee shakes hands with Ugo Humbert of France after winning his quarterfinal match REUTERS/Mike Segar

Tokyo 2020 Olympics - Golf - Men's Individual - Final - Round 1 - Kasumigaseki Country Club - Kawagoe, Saitama, Japan - July 29, 2021. Patrick Reed of the United States shakes hands with Shane Lowry of Ireland. REUTERS/Murad Sezer

Tokyo 2020 Olympics - Tennis - Women's Doubles - Semifinal - Ariake Tennis Park - Tokyo, Japan - July 29, 2021 Barbora Krejcikova of Czech Republic and Katerina Siniakova of Czech Republic shakes hands with Elena Vesnina of the Russian Olympic Committee and Veronika Kudermetova of the Russian Olympic Committee after winning their semifinal match REUTERS/Edgard Garrido

Tokyo 2020 Olympics - Fencing - Women's Team Foil - Classification Round 5-8 - Makuhari Messe Hall B - Chiba, Japan - July 29, 2021. Yara Elsharkawy of Egypt, Noha Hany of Egypt, Mariam Elzoheiry of Egypt and Nora Mohamed of Egypt go to shake hands with members of team Japan after competing REUTERS/Maxim Shemetov

Tokyo 2020 Olympics - Golf - Men's Individual - Final - Round 1 - Kasumigaseki Country Club - Kawagoe, Saitama, Japan - July 29, 2021. Justin Thomas of the United States and Paul Casey of Britain shake hands. REUTERS/Murad Sezer

Tokyo 2020 Olympics - Swimming - Women's 200m Breaststroke - Semifinal 2 - Tokyo Aquatics Centre - Tokyo, Japan - July 29, 2021. Annie Lazor of the United States shakes hands with Tatjana Schoenmaker of South Africa REUTERS/Antonio Bronic

Soccer Football - Pre Season Friendly - Manchester United v Brentford - Old Trafford, Manchester, Britain - July 28, 2021 Manchester United's Mason Greenwood shakes hands with Jesse Lingard before the match Action Images via Reuters/Lee Smith

Tokyo 2020 Olympics - Gymnastics - Artistic - Men's Individual All-Around - Medal Ceremony - Ariake Gymnastics Centre, Tokyo, Japan - July 28, 2021. Gold medalist Daiki Hashimoto of Japan shakes hands with silver medalist Xiao Ruoteng of China. REUTERS/Mike Blake

Tokyo 2020 Olympics - Soccer Football - Men - Group A - France v Japan - International Stadium Yokohama, Yokohama, Japan - July 28, 2021. Florian Thauvin of France shakes hands with Yuta Nakayama of Japan after the match REUTERS/Hannah Mckay