Goresbrook claimed a superb eight-wicket win over Hamro Foundation Essex League Division Three leaders Stanford to move to within three points of the summit.
A good crowd looked on during the annual Ben Irving Day, held in memory of the club's record colts appearance holder who died at a young age of cancer, at the M&B Sports Ground as the visitors posted 199-9.
The top order were given a torrid time by pace bowlers Kane Messenger and Muhammad Attuallah but Thomas Willets crafted a resilient 43 in support of Michael Edwards, who clubbed a splendid 75 for the leaders.
Shane Barwick produced a prodigious 16-over spell to take 4-60, as fellow spinner Jordan Calverley nabbed 2-27 at the other end.
And the Dagenham club’s openers set off in emphatic fashion before Shaun Ross (18) holed out.
Calverley combined patient defence with some superlative strokemaking during his excellent unbeaten 67 and keeper Danny Gillham, enjoying a spell of sensational form after his two-year hiatus, hit a six and 12 fours in his breathtaking 81.
Barwick helped Calverley seal victory with 10.4 overs to spare ahead of a home derby date with Barking on Saturday.
The seconds beat Southend by eight runs after a superb innings by teenager Siraj Zafar.
The youngster hit 13 fours in his 75, with Lovelin Mostra clubbing three big sixes in a hard-hitting 30 as Brook were dismissed for 170.
Openers Tilak Patel (33) and Talha Haroon (22) gave the Seasiders the ideal start, as Dav Shah chipped in with 24, before home captain Rohit Sharma atoned for his earlier duck with a match winning spell of 4-49 from 16 overs to earn his side victory.
The thirds produced another impressive win against Shenfield, who posted 211-8 thanks to captain David Castell (85) and Max Proctor (35).
Brook skipper Billy Parnell picked up 3-54, as teen Jack Gibson nabbed 2-28, and Mark Bird hit a six and 11 fours in an entertaining 73 after tea.
Fellow opener Andy Livett (40) put on 104 for the first wicket, with William Preston, Sheper Choudhury and Paul Atkins keeping Brook on track.
And John Nicholls Jnr, 17, hit an unbeaten 26 to seal a three-wicket victory on a memorable day.
Brook beat Neo by nine wickets to reach the ESL T20 semi-finals on Friday.
Left-arm spinners Livash Ramduth (4-24) and Barwick (2-13) combined to dismiss the Leyton-based club for just 94 in 15 overs, before Calverley (29 not out) and Barwick (51 not out) saw Brook home in 12 overs.
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