The draw for the second round of the IRN-BRU Cup will be made at Hampden Park on Thursday August 4 at 12.30pm.
It will be streamed live on Periscope via the @irnbrufootball Twitter account.
The 12 winners of Tuesday's ties will be joined in round two by Cumbernauld Colts or Hamilton Accies U20s, who play tonight, and Rangers U20s or Stirling University, who meet next week.
Also entering the draw at this stage are the 10 clubs who finished in positions 25 to 34 in the SPFL last season - Peterhead, Stranraer, Airdrieonians, Albion Rovers, Brechin City, Stenhousemuir, Cowdenbeath, Forfar Athletic, East Fife and Elgin City.
The draw will be regionalised, with the 12 ties due to be played on the midweek of August 16/17.