Gastão José Ministro Elias (Portuguese pronunciation: [g??'t?~w e'li??]; born 24 November 1990) is a Portuguese professional tennis player, who competes on the ATP World Tour.
He became the fifth Portuguese tennis player to break into the top 100 of the Association of Tennis Professionals singles rankings.
In October 2016, he reached a career-high singles ranking of world No.
57 to become the second-highest-ranked Portuguese player, after João Sousa (No.