The Professional Soccer Referees Association (PSRA) has announced on Twitter that all four North American assistant referees (Frank Anderson, Corey Rockwell, Joe Fletcher and Ian Anderson) passed their fitness test in Dubai.
The decisive FIFA Referee Seminars for the World Cup selection are taking place on 12-16 March 2018 (AFC, CONCACAF, CONMEBOL) and 19-23 March 2018 (CAF, OFC, UEFA) in Dubai (UAE). All candidate referee trios and video assistant referees will participate in various training activities and fitness tests that will determine the final list of match officials appointed to the 2018 World Cup in Russia.
Source: PSRA