Zak Crawley smashed the first T20 century of his career as Kent Spitfires coasted to an eight-wicket Vitality Blast victory against Hampshire.
Benny Howell fired on his Gloucestershire comeback as they beat Somerset to retain top spot in the Vitality Blast Central Group.
An unbeaten 62 from Delray Rawlins helped Sussex canter to an eight-wicket win over Vitality Blast South Group leaders Kent.
Joe Clarke's destructive innings helped Nottinghamshire to victory over Lancashire and maintain top spot in the North Group.
Luke Wright's second half-century of the Vitality Blast underpinned Sussex's 13-run win over 'El Clasicoast' rivals Hampshire.
Ben Foakes scored 60 not out to rescue Surrey from 23-4 as they beat Middlesex in a low-scoring Vitality Blast encounter.
Daniel Bell-Drummond smashed 81 from 45 deliveries as Kent kept Essex winless in this season's Vitality Blast.
Alex Hales' quick-fire innings helped Nottinghamshire beat Leicestershire in the Vitality Blast and top the North Group.
Somerset achieved their highest T20 score away from Taunton as they beat Worcestershire by 16 runs in a Vitality Blast encounter at Edgbaston.
Ian Cockbain struck an explosive 84 from just 38 balls as Gloucestershire brushed aside Birmingham Bears by 57 runs in the Vitality Blast.
Mason Crane's three-wicket haul saw Hampshire end Essex's 13-month unbeaten run in all competitions in a five-wicket Vitality Blast win.
Joe Root hit a Vitality Blast fifty for Yorkshire on the same day he was left out of England’s T20 squad to face Australia.
Alex Davies continued his sparkling start to the Vitality Blast with 82 as Lancashire edged to a narrow win over Derbyshire.
Joe Root's 64 from 40 balls underpinned Yorkshire's 99-run Vitality Blast win over Derbyshire at Headingley.
An extraordinary final over from Tom Helm enabled Middlesex to salvage a tie against Kent after a high-scoring Vitality Blast game.
Somerset have announced Pakistan batsman Babar Azam will return to Taunton for this year's revamped Vitality Blast.
Rain ruined a promising-looking match between Sussex and Surrey, while Birmingham's game against Somerset was abandoned.
Keaton Jennings hit his first T20 hundred as Lancashire beat his former club Durham by 27 runs in the Vitality Blast.
The shortest form of the game is shorter than usual this year but the Vitality Blast will not be lacking in quality.
England Test captain Joe Root will be available for Yorkshire's Vitality Blast opener against Nottinghamshire on Thursday.