Encarnación made his professional debut on 19 December 2014, defeating Juan Rivas via second-round technical knockout (TKO) in Santo Domingo.
A year later he won the vacant WBA Fedecaribe bantamweight title in his seventh bout, stopping Angelo Muñoz (15–4, 10 KO) by TKO.
[2] Two months later, he beat Venezuelan rival Milner Marcano (17–0, 13 KO) in Santo Domingo with a second-round TKO for the vacant WBA Fedecaribe super bantamweight title.
[3] His next fight was his first outside of his homeland: a match-up against Argentine prospect Sergio Martin Sosa (10–1, 3 KO) in Montevideo, Uruguay for the vacant WBA Fedebol featherweight title.
[4] Three months later he fought on the undercard of the Rances Barthelemy–Robert Easter Jr. world title fight at the Cosmopolitan of Las Vegas, stopping Mexican opponent José Bustos (14–9–3, 9 KO) in the second round to move to 16–0.