Rob Baney took 5 for 17 as Bec Old Boys were bowled out for 131.
The Sharks got to their target for the loss of just 3 wickets.
There were also wins for Ahmadiyya Muslim Youth, Surrey Warriors Strikers and St Lukes.
In Division One table toppers Ploughmans beat Sutton Challengers by 67 runs.
Surrey Warriors Invincibles and Ploughmans 2nd eleven were the winners in Division Two.
Burgh Heath’s 2nd eleven has with drawn from the league.
