Durham 259 for 2 (Stoneman 136*, Mustard 91) beat Scotland 258 for 4 (Symes 110) by eight wickets
Scotland's second highest 40-over total proved nowhere near enough to test Durham in their Clydesdale Bank 40 match at Chester-le-Street. A century by South African left-hander Jean Symes propelled the Saltires to 258 for 4 after being put in, but under cloudless skies on a run-laden pitch Durham cruised to an eight-wicket victory with 6.3 overs to spare.
Mark Stoneman made his maiden one-day hundred, remaining unbeaten on 136 off 117 balls, and Phil Mustard contributed 91 to an opening stand of 207. Stoneman survived a very sharp return chance to Matthew Parker on 2 and Mustard was dropped at deep midwicket by Preston Mommsen off Symes on 55.
Otherwise they scored runs almost at will against a modest attack, in which all-rounder Mommsen conceded 20 runs in one over.
Scotland's total was second only to the 267 for 4 they made at Edgbaston two years ago, with Symes accumulating strongly through the leg side. He survived two very difficult chances to Mitch Claydon at deep backward square-leg, the first with his score on 3 when he pulled Liam Plunkett's first ball for six via Claydon's fingertips.
A slightly less difficult chance went down on 43 off Durham's acting captain Paul Collingwood, who had to bowl eight overs himself because Plunkett, Scott Borthwick and Jamie Harrison all proved expensive.
Symes reached his 91-ball century by hitting the first two balls of the final over for four then lifted Plunkett for his third six over long-on. Two other batsmen born in South Africa, who have both been on trial with Leicestershire this season, also made useful contributions, Richie Berrington making 29 and Mommsen an unbeaten 31.
After kicking his heels with the England squad for the previous week, Graham Onions bowled well for Durham. He ended a fluent opening stand of 33 by having Josh Davey caught at mid-off by Stoneman off a leading edge and conceded only 27 runs in his eight overs.
Symes and Calum Macleod put on 86 in 15 overs before the opener fell for 48 when he edged the second ball of Claydon's second spell and wicketkeeper Mustard leapt to his right to hold a brilliant one-handed catch. Collingwood had Berrington caught at deep midwicket by Gordon Muchall, who had to go in with 14 needed after Ben Stokes holed out at long-off for 9.