Split pairing block Modified on: Mon, 6 Mar, 2023 at 1:11 PM The split roster block function in the Roster Wizard dialogue is used to split multiple pairings at the same time.Typically this is done when the roster is being released and done for the full roster period. Select a period and tick the pairings to be split.Usergroup: Pairing Split must be activated in the usergroup profile.