Essex 129 for 4 (Cox 31*, Elgar 28) beat Middlesex 63 for 2 (Holden 41*, Walter 2-16) by 16 runs (DLS method)

Essex Eagles claimed their third successive Vitality Blast victory after overcoming Middlesex by 16 runs in their heavily rain-affected South Group game at Lord's.

Middlesex's target was revised to 143 from 12 overs - and subsequently 80 from six after another rain stoppage, but that unlikely equation proved beyond their reach.

After an initial 25-minute delay due to earlier showers, Adam Rossington immediately set about Middlesex's bowling in the powerplay with two sizzling cover boundaries off Tom Helm.

Rossington bludgeoned his way to 20 before slicing Noah Cornwell into the hands of deep third and the young left-armer, who took 2 for 29, also castled Michael Pepper (23 from 12), swinging across the line.

Dean Elgar (28 from 17) was next to depart, with Luke Hollman taking a skier off his own bowling, but Cox looked assured straight away, dispatching his first ball for four with a classy straight drive.

Although Ryan Higgins bowled Walter around his legs, pinpoint placement brought Cox successive boundaries off Blake Cullen and he also launched Hollman into the grandstand before rain returned, resulting in a delay of more than an hour.

When the pitch covers were eventually removed, Holden and Stephen Eskinazi had barely taken guard when another heavy shower descended and the players left the field without a ball being bowled.

The equation morphed into 80 from six overs when the game's final instalment began and Eskinazi did his best to sustain Middlesex's pursuit, hitting successive Shane Snater balls for four and six.

However, Walter effectively settled the contest by capturing the wickets of Eskinazi and Higgins during his first over, which went for just four runs - and, although Holden kept the battle going, it was not enough.