Sussex Sharks will host defending champions Worcestershire Rapids in the third quarterfinal on September 6, at County Ground, Hove.
Nottinghamshire Outlaws and Middlesex will face each other in the second quarterfinal of Vitality Blast 2019 on September 5 in Trent Bridge, Nottingham.
Lancashire Lightning will play Essex Eagles in the first quarterfinal on September 4, at Riverside Ground, Chester-le-Street.
Lancashire, Nottinghamshire, Sussex, and Gloucestershire will play Essex, Middlesex, Worcestershire, and Derbyshire on September 4, 5, 6, and 7 respectively.
Babar Azam has the most runs, followed by Tom Banton. Matt Parkinson and Ravi Rampaul share the top spot in the wickets chart.
August 30 will feature eight matches, at Old Trafford, Northampton, Trent Bridge, Birmingham, Chelmsford, Cardiff, Taunton, and Hove.
Lancashire Lightning, Derbyshire Falcons, Nottinghamshire Outlaws, Worcestershire Rapids, and Sussex Sharks have already qualified, while six teams have been eliminated.
An interesting day for Vitality Blast fans as three South Group matches are scheduled for August 29.
Lancashire Lightning, Derbyshire Falcons, Nottinghamshire Outlaws, and Sussex Sharks have already qualified, while five teams have been eliminated.
Nottinghamshire Outlaws have already qualified for the top eight. A win here will make Worcestershire Rapids the fourth team from North Division to make it.