Our best referee will be the head referee for tomorrow's match between the women's teams of Czech Republic and USA. The match is in Rio de Janeiro and starts at 3 AM Bulgarian time. Until now, Ivanov was the second referee for the Brazil - Czech Republic match. The Bulgarian will remain in Brazil, where next week the men's matches between the host teams, USA, Iran, Ukraine, Cuba, and Slovenia will begin. Ivanov will travel to Slovenia for the second week of the competition. The top referee is also on the list for assignments for the men's finals in China.