Career
He turned professional in 1987. Mancini also reached the quarter-finals of the 1989 French Open, his career-best performance at a Grand Slam event. Mancini reached the final of the Italian Open again in 1991, but was forced to retire during the final against Emilio Sánchez with the score at 6–3, 6–1, 3–0.
The last major final of Mancini"s career was at the Lipton International players Championships in Florida in 1992, where he lost to Michael Chang 7–5, 7–5.
His career-high rankings were World Number. 8 in singles and Number. 79 in doubles (both in 1989).
His career prize-money totalled $1,543,120. Mancini, a competitor at the 1992 Summer Olympics in Barcelona, retired from the professional tour in 1994.
In February 2003, Mancini became the coach of Guillermo Coria.
Coria finished 2003 as world number 5. Despite these successes, Coria surprisingly decided to part ways with Mancini in February 2004, soon after an upset first round loss at the 2004 Australian Open. However, Argentina lost both finals.
Singles (3 titles, 5 runners-up)
Doubles titles (4).