Article snapshot taken from Wikipedia with creative commons attribution-sharealike license.
Give it a read and then ask your questions in the chat.
We can research this topic together.
The 1981 Campionati Internazionali di Sicilia, also known as the Sicilian Grand Prix, was a men's tennis tournament played on outdoor clay courts in Palermo, Italy that was part of the 1981 Volvo Grand Prix. It was the third edition of the tournament and took place from 14 September until 20 September 1981. Unseeded Manuel Orantes won the singles title.