In 1978, it was decided to change the format to an open draw.

The matches in round 3 are determined by an open draw.

This is an open draw, not linked as the tree above shows.

An open draw will be made to give eight pairings.

After a few years of operating this system the competition was changed to a completely open draw.

An open draw will be made to decide which teams play each other.

Another open draw will be made to decide the fixtures.

Another open draw was made to determine the four pairings.

An open draw is made to determine the eight pairings.

An open draw for the first round took place on 24 June, after all but one of the participants were known.