Aberdeen face a tough tie against Real Sociedad in the third qualifying round of the Europa League if they can overcome Groningen.
The Dons drew 0-0 at Pittodrie last night and travel to Holland for the return match next Thursday.
St Johnstone, who were seeded in today's draw, meet Georgian outfit FC Zestafoni or Spartak Trnava of Slovakia should they progress.
Tommy Wright's men earned an impressive 1-1 draw with Swiss side FC Luzern in the first leg of their second-round qualifier.
Motherwell, who were held to a 2-2 Fir Park draw by Icelandic club Stjarnan, were paired with JK Nomme Kalju of Estonian or Lech Poznan of Poland.
Europa League third-qualifying round draw
Real Sociedad v Aberdeen (0) or FC Groningen (0)
FC Luzern (1) or St Johnstone (1) v FC Zestafoni (0) or Spartak Trnava (0)
Motherwell (2) or Stjarnan (2) v JK Nomme Kalju (1) or Lech Poznan (0)
Ties to be played July 31 & August 7
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