St Johnstone were held to a 0-0 draw by Ross County at McDiarmid Park but stay six points clear in the William Hill Championship as Partick Thistle drew 1-1 at Morton.
Arbroath are up to third spot after beating Queen's Park 4-1 at Gayfield and Ayr United leapfrogged Raith Rovers with a 2-0 victory at Stark's Park.
It was matchday five in the KDM Evolution Trophy and three clubs still have 100% records. Inverness CT are top after a 4-1 win at Forfar Athletic, Stenhousemuir saw off Motherwell B 4-0 at Ochilview and Montrose beat Spartans 3-1 at Ainslie Park.
Matchday six takes place on Tuesday November 11 with the top 22 teams going through to the knock-out stage, where they will be joined by the 10 William Hill Championship clubs.