Tokyo 2020 Olympics - Water Polo - Men - Group B - Croatia v Kazakhstan - Tatsumi Water Polo Centre, Tokyo, Japan - July 25, 2021. Javier Garcia Gadea of Croatia in action. REUTERS/Kacper Pempel

Tokyo 2020 Olympics - Water Polo - Men - Group B - Croatia v Kazakhstan - Tatsumi Water Polo Centre, Tokyo, Japan - July 25, 2021. Lovre Milos of Croatia in action against Murat Shakenov of Kazakhstan. REUTERS/Kacper Pempel

Tokyo 2020 Olympics - Water Polo - Men - Group B - Croatia v Kazakhstan - Tatsumi Water Polo Centre, Tokyo, Japan - July 25, 2021. Croatia's head coach Ivica Tucak looks on. REUTERS/Kacper Pempel

Tokyo 2020 Olympics - Water Polo - Men - Group B - Croatia v Kazakhstan - Tatsumi Water Polo Centre, Tokyo, Japan - July 25, 2021. Croatia's team members high-five each other. REUTERS/Kacper Pempel

Tokyo 2020 Olympics - Boxing - Men's Light Heavyweight - Last 32 - Kokugikan Arena - Tokyo, Japan - July 25, 2021. Luka Plantic of Croatia in action against Odai Alhindawi of Jordan Pool via REUTERS/Luis Robayo

Tokyo 2020 Olympics - Boxing - Men's Light Heavyweight - Last 32 - Kokugikan Arena - Tokyo, Japan - July 25, 2021. Odai Alhindawi of Jordan in action against Luka Plantic of Croatia Pool via REUTERS/Luis Robayo

Tokyo 2020 Olympics - Boxing - Men's Light Heavyweight - Last 32 - Kokugikan Arena - Tokyo, Japan - July 25, 2021. Luka Plantic of Croatia in action against Odai Alhindawi of Jordan REUTERS/Ueslei Marcelino

Tokyo 2020 Olympics - Boxing - Men's Light Heavyweight - Last 32 - Kokugikan Arena - Tokyo, Japan - July 25, 2021. Luka Plantic of Croatia gestures after his fight. REUTERS/Ueslei Marcelino

Tokyo 2020 Olympics - Boxing - Men's Light Heavyweight - Last 32 - Kokugikan Arena - Tokyo, Japan - July 25, 2021. Odai Alhindawi of Jordan sustains an injury during his fight against Luka Plantic of Croatia Pool via REUTERS/Luis Robayo

Tokyo 2020 Olympics - Boxing - Men's Light Heavyweight - Last 32 - Kokugikan Arena - Tokyo, Japan - July 25, 2021. Odai Alhindawi of Jordan sustains an injury during his fight against Luka Plantic of Croatia Pool via REUTERS/Luis Robayo

Tokyo 2020 Olympics - Boxing - Men's Light Heavyweight - Last 32 - Kokugikan Arena - Tokyo, Japan - July 25, 2021. Luka Plantic of Croatia in action against Odai Alhindawi of Jordan REUTERS/Luis Robayo

Tokyo 2020 Olympics - Boxing - Men's Light Heavyweight - Last 32 - Kokugikan Arena - Tokyo, Japan - July 25, 2021. Luka Plantic of Croatia in action against Odai Alhindawi of Jordan Pool via REUTERS/Luis Robayo

Tokyo 2020 Olympics - Boxing - Men's Light Heavyweight - Last 32 - Kokugikan Arena - Tokyo, Japan - July 25, 2021. Luka Plantic of Croatia in action against Odai Alhindawi of Jordan Pool via REUTERS/Luis Robayo

Tokyo 2020 Olympics - Boxing - Men's Light Heavyweight - Last 32 - Kokugikan Arena - Tokyo, Japan - July 25, 2021. Luka Plantic of Croatia in action against Odai Alhindawi of Jordan Pool via REUTERS/Luis Robayo

Tokyo 2020 Olympics - Boxing - Men's Light Heavyweight - Last 32 - Kokugikan Arena - Tokyo, Japan - July 25, 2021. Odai Alhindawi of Jordan in action against Luka Plantic of Croatia REUTERS/Ueslei Marcelino

Tokyo 2020 Olympics - Boxing - Men's Light Heavyweight - Last 32 - Kokugikan Arena - Tokyo, Japan - July 25, 2021. Luka Plantic of Croatia in action against Odai Alhindawi of Jordan REUTERS/Ueslei Marcelino

Tokyo 2020 Olympics - Boxing - Men's Light Heavyweight - Last 32 - Kokugikan Arena - Tokyo, Japan - July 25, 2021. Odai Alhindawi of Jordan in action against Luka Plantic of Croatia REUTERS/Ueslei Marcelino

Tokyo 2020 Olympics - Boxing - Men's Light Heavyweight - Last 32 - Kokugikan Arena - Tokyo, Japan - July 25, 2021. Odai Alhindawi of Jordan in action against Luka Plantic of Croatia REUTERS/Ueslei Marcelino

Tokyo 2020 Olympics - Boxing - Men's Light Heavyweight - Last 32 - Kokugikan Arena - Tokyo, Japan - July 25, 2021. Luka Plantic of Croatia in action against Odai Alhindawi of Jordan REUTERS/Ueslei Marcelino

Tokyo 2020 Olympics - Boxing - Men's Light Heavyweight - Last 32 - Kokugikan Arena - Tokyo, Japan - July 25, 2021. Odai Alhindawi of Jordan in action against Luka Plantic of Croatia REUTERS/Ueslei Marcelino

Tokyo 2020 Olympics - Water Polo - Men - Group B - Croatia v Kazakhstan - Tatsumi Water Polo Centre, Tokyo, Japan - July 25, 2021. Detail on the Olympic rings tattoo of Rustam Ukumanov of Kazakhstan. REUTERS/Kacper Pempel

Tokyo 2020 Olympics - Boxing - Men's Light Heavyweight - Last 32 - Kokugikan Arena - Tokyo, Japan - July 25, 2021. Odai Alhindawi of Jordan in action against Luka Plantic of Croatia REUTERS/Ueslei Marcelino

Tokyo 2020 Olympics - Water Polo - Men - Group B - Croatia v Kazakhstan - Tatsumi Water Polo Centre, Tokyo, Japan - July 25, 2021. Kazakhstan's head coach Nemanja Knezevic looks on. REUTERS/Kacper Pempel

Tokyo 2020 Olympics - Water Polo - Men - Group B - Croatia v Kazakhstan - Tatsumi Water Polo Centre, Tokyo, Japan - July 25, 2021. Croatia's head coach Ivica Tucak gestures. REUTERS/Kacper Pempel

Tokyo 2020 Olympics - Water Polo - Men - Group B - Croatia v Kazakhstan - Tatsumi Water Polo Centre, Tokyo, Japan - July 25, 2021. Detail on the Olympic rings tattoo of Rustam Ukumanov of Kazakhstan. REUTERS/Kacper Pempel

Tokyo 2020 Olympics - Water Polo - Men - Group B - Croatia v Kazakhstan - Tatsumi Water Polo Centre, Tokyo, Japan - July 25, 2021. Marko Bijac of Croatia in action. REUTERS/Kacper Pempel

Tokyo 2020 Olympics - Water Polo - Men - Group B - Croatia v Kazakhstan - Tatsumi Water Polo Centre, Tokyo, Japan - July 25, 2021. Marko Bijac of Croatia in action. REUTERS/Kacper Pempel

Tokyo 2020 Olympics - Water Polo - Men - Group B - Croatia v Kazakhstan - Tatsumi Water Polo Centre, Tokyo, Japan - July 25, 2021. Madikhan Makhmetov of Kazakhstan in action. REUTERS/Kacper Pempel

Tokyo 2020 Olympics - Water Polo - Men - Group B - Croatia v Kazakhstan - Tatsumi Water Polo Centre, Tokyo, Japan - July 25, 2021. Croatia's head coach Ivica Tucak gestures. REUTERS/Kacper Pempel

Tokyo 2020 Olympics - Water Polo - Men - Group B - Croatia v Kazakhstan - Tatsumi Water Polo Centre, Tokyo, Japan - July 25, 2021. Miras Aubakirov of Kazakhstan in action. REUTERS/Kacper Pempel

Tokyo 2020 Olympics - Water Polo - Men - Group B - Croatia v Kazakhstan - Tatsumi Water Polo Centre, Tokyo, Japan - July 25, 2021. Murat Shakenov of Kazakhstan in action. REUTERS/Kacper Pempel

Tokyo 2020 Olympics - Water Polo - Men - Group B - Croatia v Kazakhstan - Tatsumi Water Polo Centre, Tokyo, Japan - July 25, 2021. Croatia's head coach Ivica Tucak gestures. REUTERS/Kacper Pempel

Tokyo 2020 Olympics - Swimming - Women's 100m Breaststroke - Heats - Tokyo Aquatics Centre - Tokyo, Japan - July 25, 2021. Ema Rajic of Croatia in action REUTERS/Kai Pfaffenbach

Tokyo 2020 Olympics - Water Polo - Men - Group B - Croatia v Kazakhstan - Tatsumi Water Polo Centre, Tokyo, Japan - July 25, 2021. Madikhan Makhmetov of Kazakhstan in action. REUTERS/Kacper Pempel

Tokyo 2020 Olympics - Water Polo - Men - Group B - Croatia v Kazakhstan - Tatsumi Water Polo Centre, Tokyo, Japan - July 25, 2021. Madikhan Makhmetov of Kazakhstan in action. REUTERS/Kacper Pempel

Tokyo 2020 Olympics - Water Polo - Men - Group B - Croatia v Kazakhstan - Tatsumi Water Polo Centre, Tokyo, Japan - July 25, 2021. Javier Garcia Gadea of Croatia in action. REUTERS/Kacper Pempel

Tokyo 2020 Olympics - Water Polo - Men - Group B - Croatia v Kazakhstan - Tatsumi Water Polo Centre, Tokyo, Japan - July 25, 2021. Srdan Vuksanovic of Kazakhstan in action. REUTERS/Kacper Pempel

Tokyo 2020 Olympics - Water Polo - Men - Group B - Croatia v Kazakhstan - Tatsumi Water Polo Centre, Tokyo, Japan - July 25, 2021. Croatia's team members get into the pool. REUTERS/Kacper Pempel

Tokyo 2020 Olympics - Water Polo - Men - Group B - Croatia v Kazakhstan - Tatsumi Water Polo Centre, Tokyo, Japan - July 25, 2021. Croatia's team members get into the pool. REUTERS/Kacper Pempel

Tokyo 2020 Olympics - Water Polo - Men - Group B - Croatia v Kazakhstan - Tatsumi Water Polo Centre, Tokyo, Japan - July 25, 2021. Croatia's team members get into the pool. REUTERS/Kacper Pempel

Tokyo 2020 Olympics - Water Polo - Men - Group B - Croatia v Kazakhstan - Tatsumi Water Polo Centre, Tokyo, Japan - July 25, 2021. Croatia's team members gather in the pool. REUTERS/Kacper Pempel

Tokyo 2020 Olympics - Water Polo - Men - Group B - Croatia v Kazakhstan - Tatsumi Water Polo Centre, Tokyo, Japan - July 25, 2021. Kazakhstan's team members listen to national anthems ahead of the match. REUTERS/Kacper Pempel

Tokyo 2020 Olympics - Water Polo - Men - Group B - Croatia v Kazakhstan - Tatsumi Water Polo Centre, Tokyo, Japan - July 25, 2021. Croatia's team members listen to national anthems ahead of the match. REUTERS/Kacper Pempel

Tokyo 2020 Olympics - Swimming - Women's 100m Breaststroke - Heats - Tokyo Aquatics Centre - Tokyo, Japan - July 25, 2021. Ema Rajic of Croatia in action. REUTERS/Marko Djurica

Tokyo 2020 Olympics - Water Polo - Men - Group B - Croatia v Kazakhstan - Tatsumi Water Polo Centre, Tokyo, Japan - July 25, 2021. Croatia's team members listen to national anthems ahead of the match. REUTERS/Kacper Pempel

Tokyo 2020 Olympics - Tennis - Men's Doubles - Round 1 - Ariake Tennis Park - Tokyo, Japan - July 25, 2021. Marin Cilic of Croatia and Ivan Dodig of Croatia in action during their first round match against Taro Daniel of Japan and Yoshihito Nishioka of Japan REUTERS/Mike Segar

Tokyo 2020 Olympics - Tennis - Men's Doubles - Round 1 - Ariake Tennis Park - Tokyo, Japan - July 25, 2021. Taro Daniel of Japan and Yoshihito Nishioka of Japan react during their first round match against Ivan Dodig of Croatia and Marin Cilic of Croatia REUTERS/Mike Segar

Tokyo 2020 Olympics - Tennis - Men's Doubles - Round 1 - Ariake Tennis Park - Tokyo, Japan - July 25, 2021. Taro Daniel of Japan and Yoshihito Nishioka of Japan in action during their first round match against Ivan Dodig of Croatia and Marin Cilic of Croatia REUTERS/Mike Segar

Tokyo 2020 Olympics - Tennis - Men's Doubles - Round 1 - Ariake Tennis Park - Tokyo, Japan - July 25, 2021. Taro Daniel of Japan and Yoshihito Nishioka of Japan in action during their first round match against Ivan Dodig of Croatia and Marin Cilic of Croatia REUTERS/Mike Segar

Tokyo 2020 Olympics - Tennis - Men's Doubles - Round 1 - Ariake Tennis Park - Tokyo, Japan - July 25, 2021. Marin Cilic of Croatia and Ivan Dodig of Croatia in action during their first round match against Taro Daniel of Japan and Yoshihito Nishioka of Japan REUTERS/Mike Segar

Tokyo 2020 Olympics - Tennis - Men's Doubles - Round 1 - Ariake Tennis Park - Tokyo, Japan - July 25, 2021. Taro Daniel of Japan and Yoshihito Nishioka of Japan react during their first round match against Ivan Dodig of Croatia and Marin Cilic of Croatia REUTERS/Mike Segar

Tokyo 2020 Olympics - Tennis - Men's Doubles - Round 1 - Ariake Tennis Park - Tokyo, Japan - July 25, 2021. Marin Cilic of Croatia and Ivan Dodig of Croatia during their first round match against Taro Daniel of Japan and Yoshihito Nishioka of Japan REUTERS/Mike Segar

Tokyo 2020 Olympics - Tennis - Men's Doubles - Round 1 - Ariake Tennis Park - Tokyo, Japan - July 25, 2021. Taro Daniel of Japan and Yoshihito Nishioka of Japan during their first round match against Ivan Dodig of Croatia and Marin Cilic of Croatia REUTERS/Mike Segar

Tokyo 2020 Olympics - Tennis - Men's Doubles - Round 1 - Ariake Tennis Park - Tokyo, Japan - July 25, 2021. Taro Daniel of Japan and Yoshihito Nishioka of Japan during their first round match against Ivan Dodig of Croatia and Marin Cilic of Croatia REUTERS/Mike Segar

Tokyo 2020 Olympics - Tennis - Men's Doubles - Round 1 - Ariake Tennis Park - Tokyo, Japan - July 25, 2021. Taro Daniel of Japan and Yoshihito Nishioka of Japan during their first round match against Ivan Dodig of Croatia and Marin Cilic of Croatia REUTERS/Mike Segar

Tokyo 2020 Olympics - Tennis - Men's Doubles - Round 1 - Ariake Tennis Park - Tokyo, Japan - July 25, 2021. Marin Cilic of Croatia and Ivan Dodig of Croatia react after their first round match against Taro Daniel of Japan and Yoshihito Nishioka of Japan REUTERS/Mike Segar

Tokyo 2020 Olympics - Tennis - Men's Doubles - Round 1 - Ariake Tennis Park - Tokyo, Japan - July 25, 2021. Marin Cilic of Croatia and Ivan Dodig of Croatia react during their first round match against Taro Daniel of Japan and Yoshihito Nishioka of Japan REUTERS/Mike Segar

Tokyo 2020 Olympics - Tennis - Men's Doubles - Round 1 - Ariake Tennis Park - Tokyo, Japan - July 25, 2021. Marin Cilic of Croatia and Ivan Dodig of Croatia shakes hands with Taro Daniel of Japan and Yoshihito Nishioka of Japan after winning their first round match REUTERS/Mike Segar

Tokyo 2020 Olympics - Tennis - Men's Doubles - Round 1 - Ariake Tennis Park - Tokyo, Japan - July 25, 2021. Marin Cilic of Croatia and Ivan Dodig of Croatia react after their first round match against Taro Daniel of Japan and Yoshihito Nishioka of Japan REUTERS/Mike Segar

Tokyo 2020 Olympics - Tennis - Men's Doubles - Round 1 - Ariake Tennis Park - Tokyo, Japan - July 25, 2021. Marin Cilic of Croatia and Ivan Dodig of Croatia shakes hands with Taro Daniel of Japan and Yoshihito Nishioka of Japan after winning their first round match REUTERS/Mike Segar