Tuiach made his professional debut on 30 April 2004 in Bergamo and he won by KO against the Slovak Marian Miko.

At the visits of reinstatement the Italian federation denied his medical fitness, in 2009 he repeated the tests but the outcome was the same: after this disappointment, he left boxing and started the practice of kickboxing.

[2] He returned in boxing on July 14, 2012, fighting against the Hungarian Sandor Balagh after 4 years of inactivity, going up into the heavyweight division.

[3] In August 2013 he issued the challenge to the Italian title but he lost by TKO at the sixth round against Matteo Modugno.

[4] In December 2014 he finally won the Italian Heavyweight Title beating Gianluca Mandras,[5][6] disqualified at the ninth round, in Trieste.