On October 24, 2013, it was announced that Antiga had been appointed as the new head coach of the Poland men's national volleyball team in a three-year contract, replacing Andrea Anastasi. His deputy will be Philippe Blain. Antiga was a player of PGE Skra Bełchatów until the end of the 2013/2014 season. On September 21, 2014 won his first medal as a coach – Poland won a title of World Champion 2014. On October 27, 2014 received a state award granted by the Polish President Bronisław Komorowski – Knight's Cross of the Order of Merit of the Republic of Poland for outstanding contribution to the development of Polish sport, for achievements in training. On December 10, 2014 Antiga and Blain were honored by the Ambassador of France in Poland medals Officers Ordre du Mérite sportif. Historic result at World Championship brought the team their next title of the "Best Team of 2014" in "80th Plebiscyt Przeglądu Sportowego 2014" in Poland. Head coach Antiga was awarded a title of the "Coach of the year 2014" ex-aequo with Łukasz Kruczek. In 2017 Antiga was named a new head coach of Canada men's national volleyball team In 2017 he also was named a new head coach of Polish club ONICO Warszawa.