Mark Stoneman got the innings off to a good start © Getty Images

Mark Stoneman made a half-century © Getty Images

Mark Stoneman raises his bat on reaching his hundred © Getty Images

Mark Stoneman drives through the covers © Getty Images

Mark Stoneman has been in fine form for Surrey © Getty Images

Mark Stoneman notched a brisk half-century © Getty Images

Mark Stoneman celebrates his century © Getty Images

Mark Stoneman celebrates his maiden hundred for Surrey © Getty Images

Mark Stoneman and Rory Burns punch gloves during their opening stand for Surrey © Getty Images

Mark Stoneman hits out during his first appearance for Surrey © Getty Images

Mark Stoneman was removed early by Keith Barker © Getty Images

Mark Stoneman's half-century got the innings off to a solid start © Getty Images

Mark Stoneman's fifty led Durham's nervy chase © Getty Images

Mark Stoneman hit a brisk half-century © Getty Images

Mark Stoneman recorded his first century of the season © Getty Images

Mark Stoneman hits over the top on the way to his hundred © Getty Images

Mark Stoneman fought back with a century © Getty Images

Mark Stoneman drives on his way to fifty © Getty Images