Alex Blake top-scored with 70 for Beckenham as they beat Shepherd Neame Kent Cricket Premier League title holders Hartley Country Club by 24 runs at Foxgrove Road.
The 28-year-old hit four fours and three sixes in a 64-ball knock that injected impetus after the hosts won the toss and chose to bat first.
After opener Chris Isles scored 67, Blake shared a 90-run stand with Kent Cricket Academy scholar Ollie Robinson, who hit 39.
Both Blake and Robinson took a catch in the Hartley reply as Beckenham squeezed the scoring after half centuries by Richard Selvey-Clinton and Dominic Hendricks.
Tabish Khan conceded 31 in a fine ten-over spell and Will MacVicar picked up 3/44 as Beckenham closed out the win.
Adam Riley took 2/40 in ten overs for Bexley as they beat Blackheath by 50 runs at Manor Way.
Chris Laas and Aryan Jain hit 50s as the hosts had little hesitation in batting first on a sweltering June afternoon.
Tanweer Sikandar took 3/42 and top-scored with 51 in reply for Blackheath.
Sandwich Town stayed top after a 100-run win against Tunbridge Wells at The Butts.
Opener Zack Fagg and Grant Stewart scored 50s as the hosts posted 261/8.
In reply, Kent academy legspinner Jan Gray took 2/25 in ten tidy overs as Town cantered home.
Lordswood and Sevenoaks Vine won low scoring contests against newcomers Holmesdale and Tenterden respectively.