In May 2016 the 2016 World Cup final was held in Sarasota, United States. Fernandez finished 18th in the individual event. At the 2016 World Modern Pentathlon Championships Fernandez competed in the men's individual competition. He finished 13th with 1468 points. On 18 August 2016 Fernandez competed in the men's event at the 2016 Summer Olympics and finished 15th. Fernandez won a gold medal at the 2016 Union Internationale de Pentathlon Moderne World Junior Championships in September 2016. At the event held in Cairo, Egypt, Fernandez scored 1429 points and beat South Korean Jun Woong-tae by eleven points.