Mark Ramprakash duly completed his double century as Surrey racked up a massive total against Somerset at Taunton. Ramprakash was eventually dismissed for 218, but Rikki Clarke then completed a career-best, unbeaten 153 that enabled the Frizzell County Championship leaders to declare at 608 for six. Somerset have fought back well in reply, with Matthew Wood (106) and Piran Holloway (77) putting on 202 for the first wicket. At stumps the hosts were 304 for three, exactly half way to the Surrey total.

Third-placed Hampshire are struggling against Sussex at The Rose Bowl, after they took the early initiative by bowling the visitors out for a meagre 246. Shaun Udal (five for 56) and Alan Mullally (three for 44) starred, although they were held up by an unbeaten 80 from Robin Martin-Jenkins. He then struck with the ball, taking three wickets as the hosts tumbled to 88 for six in reply.

Kent's Championship captain David Fulton made 101 as his team was bowled out for 306 by Warwickshire at Maidstone. Fulton shared an opening partnership of 140 with Robert Key (62), while Graham Wagg and Jamie Spires took three wickets apiece. Warwickshire had lost both openers by the close, replying with 29 for two.

At Grace Road, Peter Martin (three for 43) and James Anderson (three for 33) were Lancashire's bowling heroes as Leicestershire were shot out for 219. Darren Maddy (59) played the home side's only innings of substance. Mark Chilton then made 57 as Lancashire ended the day on 126 for three.

An innings of 61 from former Leicestershire batsman Aftab Habib helped the Division Two leaders Essex to 283 at Swansea. Robert Croft (five for 71) continued his recent run of good form for Glamorgan, while an unbeaten 57 from Mike Powell provided the backbone of the hosts' reply. Glamorgan were 197 for five at stumps, trailing by 86.

Centuries from Vikram Solanki and Ben Smith allowed Worcestershire skipper Graeme Hick (88) to declare at 502 for four against Middlesex at New Road. Solanki made an unbeaten 153 and Smith 124 as the visiting bowlers toiled for little reward. In reply Middlesex closed on 15 without loss.

Third-placed Derbyshire have strengthened their grip on their match against Gloucestershire at Derby. Despite 67 from Alex Gidman, the visitors were dismissed for just 179, Dominic Cork finishing with five for 67. Andrew Gait (88) ensured that Derbyshire had taken a first innings lead by stumps, when they had reached 226 for four, with Chris Bassano unbeaten on 63.

At Northampton, Gary Pratt (72) was Durham's top scorer as they were dismissed for 352 by Northants. There were also useful contributions from Ian Hunter (65) and Marc Symington (42). Darren Cousins and Graeme Swann each took four wickets for the hosts.

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