Peterborough Town had few problems as they opened their defence of the Hevey NCL Twenty Cup with a 63-run defeat of Weekley & Warkton on Tuesday evening.
The Bretton Gate outfit eased to a 63-run victory at Boughton Park.
Finedon also enjoyed easy passage as they won the all-top flight clash with Burton Latimer at Hall Field by six wickets.
Northampton Saints enjoyed a comfortable evening as they cruised to an eight-wicket victory over Overstone Park.
Rushden, who beat Rushton in the preliminary round, got the better of S&L Corby by eight wickets and Wellingborough Town disposed of West Haddon by 54 runs.
Isham downed Wellingborough Indians by 30 runs, East Haddon got past St Crispin & Ryelands by 17 runs, Brixworth strolled to a 95-run success at Badby and Desborough won the Division One encounter with Kettering by eight wickets.
Oundle made the easiest progress as Uppingham pulled out of their clash.
The semi-finals and final of the competition are at the County Ground on Sunday, July 29.