A 100 per cent victory record in the Mining Division Evening League was sealed by Constantine in the group stage on Wednesday.
The side defeated Wendron by 33 runs in their last match of the first round of fixtures, meaning they progress to the semi finals having won all eight pool games.
A first win in this season's competition was secured by St Gluvias as an unbeaten 54 from Chris Johnson and Jack Hesketh's 17-ball 45 saw their side beat Mawnan by seven wickets.
In Group C, Helston secured a 17 run victory over neighbours Mullion with Luke Clark top scoring with 60 as they posted 135-5.
Comments: Our rules
We want our comments to be a lively and valuable part of our community - a place where readers can debate and engage with the most important local issues. The ability to comment on our stories is a privilege, not a right, however, and that privilege may be withdrawn if it is abused or misused.
Please report any comments that break our rules.
Read the rules here