Roig was established in 1987 and first played professional tennis player on the ATP Challenger Tour. The following year, he was in the final of the Challenger Tournaments of Zaragoza and Rio de Janeiro. In 1990, he won his first singles title and three doubles titles on the Challenger Tour. Together with Tomás Carbonell, he won his first doubles title in 1991 on the ATP World Tour. By 1996, followed nine doubles titles, seven of them with Carbonell. Throughout his career, he was beyond in 12 finals. In individual he never reached a final. Its highest listing in the tennis world ranking he reached in 1992 with position 60 in the singles and in 1995 with position 23 in doubles.
His best individual result at Grand Slam tournaments, was a third- round participation at the French Open in 1989. In doubles he stood in 1997 on the side of Tomás Carbonell in the quarterfinals of the French Open.
Roig graduated in 1997 a double match for the Spanish Davis Cup team. In the quarter-final defeat of the World Group against Italy, he stepped to the side of Javier Sánchez in double against Omar Camporese and Nargiso Diego, they lost in four sets. In 1997, he won with the team the World Team Cup, in the final he won with Tomás Carbonell against Todd Woodbridge and Mark Woodforde of Australia.