Champions Surrey needed only 30.2 overs to wrap up victory by an innings and 11 runs against Hampshire in their Vitality County Championship clash at the Kia Oval.
Ben Duckett scored an unbeaten 197 to hold Nottinghamshire's batting together on day one against Warwickshire at Edgbaston.
Surrey secured their first win season after beating Kent by an innings and 37 runs at Canterbury, as rain denied Nottinghamshire a possible 400-run stand at Somerset.
Essex claimed their second win of the County Championship season with an innings and 124-run win over Lancashire.
Joe Root, Harry Brook and Zak Crawley were all out cheaply as the County Championship returned for round three with the Dukes ball instead of the Kookaburra.
An unbeaten 41 from 18-year-old Jaydn Denly alongside his uncle Joe helped guide Kent to a draw in their County Championship match at Essex.
Essex clinched a thumping 254-run win over Nottinghamshire in the County Championship, skittling their hosts for 80 at Trent Bridge.
Dane Paterson starred for Nottinghamshire with a five-for on the opening day of the 2024 County Championship season.
The English cricket summer officially gets under way on Friday with the start of the County Championship, but who and what should we be looking out for?
Alec Stewart confirmed he was stepping down from his role as director of cricket at Surrey last week and opened up about his decision on the Sky Sports Cricket Podcast.
Alex Stewart will step down as Surrey's director of cricket after 11 years in the role.
Check out the fixtures for the LV= County Championship in 2024, with the season running from April 5 to September 29.
A four-day festival of cricket will help kick start next summer's domestic T20 women's and men's competitions.
Check out the fixtures for the Vitality Blast competition in 2024, which starts on Thursday May 30 and concludes on September 14.
Keep up to speed with all the signings, departures and overseas players in county cricket for the 2024 season.
Check out the fixtures for the One Day Cup in 2024, which begins on July 24 and concludes with the final on September 22 at Trent Bridge.
Surrey secure the 2023 County Championship title and retain the trophy they won last season
Essex's lingering hopes of winning the LV= Insurance County Championship Division One title were dealt a huge blow by Ben Sanderson's bowling for Northamptonshire.
Surrey thumped Warwickshire by an innings and 97 runs to move closer to successive LV= Insurance County Championship titles.
Lancashire secured a One-Day Cup quarter-final place with a seven-wicket win over Nottinghamshire at Nettleworth.