Sport | CricketWe’ve got to bat better, says Aussie coach GettyCallum Keown15 July 2013Darren Lehmann has demanded his batsmen improve ahead of the Second Test, which begins at Lord’s on Thursday.The tourists fell agonisingly short of snatching victory at Trent Bridge despite twice relying on the tail after the top order failed to deliver.New coach Lehmann was honest in his assessment of his team’s shortcomings.He said: “I just thought we missed a chance probably in the first innings with our top order.“Our tail has done really well over a period of time now but it’s time for the batters to make sure they’re making the runs.”Australia recovered from 117 for nine to take a first-innings lead thanks to 19-year-old debutant Ashton Agar’s record-breaking 98, and Lehmann (above) understandably wants more from his batsmen.Lehmann, who replaced Mickey Arthur as coach just 16 days before the Ashes began, believes England’s slender margin of victory highlights the similarities between the two old rivals.“I think they’re quite close — a lot closer than people give them credit for,” said Lehmann.“So the key for us is to make sure we’re playing better.”Lehmann was keen to draw a line under Stuart Broad’s controversial decision not to walk despite clearly edging a catch to Michael Clarke at slip during a crucial second innings parternship with Ian Bell.Read MoreMcCullum to continue as England head coach ahead of T20 World CupBen Stokes ready to deliver hard truths in England's Ashes post-mortem England cricket chief launches review into 'deeply disappointing' Ashes defeatSponsoredThe best destinations and activities to book this winterHe said: “It’s dealt with as far as I’m concerned. We just move on and get on with it.“The DRS has improved decision-making process. Both sides have the same issues.”MORE ABOUTAshes SeriesIan BellStuart BroadTrent Bridge