13th August 2021 (Final round of Group stage fixtures)
Group A:
Durham Vs Hampshire
Umpires: Steve O’Shaughnessy and Hassan Adnan
Match Referee: Wayne Noon
Kent Vs Gloucestershire (Beckenham)
Umpires: Nick Cook and Ian Ramage
Match Referee: Dean Headley
Lancashire Vs Essex
Umpires: Paul Baldwin and Neil Pratt
Match Referee: James Whitaker
Sussex Vs Middlesex
Umpires: Ian Gould and Neil Mallender
Match Referee: Simon Hinks
Group B:
Derbyshire Vs Surrey
Umpires: Mike Burns and Paul Pollard
Match Referee: Will Smith
Glamorgan Vs Yorkshire
Umpires: Ian Blackwell and Tom Lungley
Match Referee: Stuart Cummings
Northamptonshire Vs Leicestershire
Umpires: Billy Taylor and Chris Watts
Match Referee: Devon Malcolm
Warwickshire Vs Somerset
Umpires: Ben Debenham and James Middlebrook
Match Referee: Tim Boon