Heart of Midlothian defeated St Mirren 1-0 at Tynecastle on Friday night to move six points clear in third place in the cinch Premiership.
Barrie McKay scored the decisive goal after 29 minutes as Robbie Neilson's men increased their lead over fourth-placed Aberdeen.
Next up for Hearts is a home game against the Dons on Wednesday while Saints visit Celtic Park on the same evening.