Top placed Ploughmans continued their dominance of the premier Division, beating second-to-bottom Wandsworth by 45 runs, including a century from Matt Hickson.
St Luke's and London Gymkhana are in a similar table position, but Luke's were thrashed by seven wickets.
In division two, it was a tense match between Sutton Challengers B and London Welsh, with the challengers winning by only five runs.