A trial date has been set for Busselton man Leonard Morris Deale.
Mr Deale has pleaded not guilty to 22 sex offences.
He was first arrested in early March, 2021 after an investigation from the Child Abuse Squad detectives.
It is alleged between 2012 and 2020, the 35-year-old indecently and sexually assaulted nine male victims who were aged between 16 and 22 years.
Mr Deale has been charged with one count of sexual penetration without consent and 20 counts of unlawful and indecent assault.
The trial has been set for September 29 in the Bunbury District Court.
If you are or have been a victim of sexual abuse, or if you have information about someone being abused, please call police on 131 444 or contact the Sexual Assault Resource Centre on (08) 6458 1828 or free call 1800 199 888.