At the turn: Dufner 4 up over Hanson

Jason Dufner has played superbly to create a four-hole lead over Peter Hanson at the turn of their Ryder Cup singles match.

After parring the first two holes, Dufner birdied the third to move one up over the Swede.

Another birdie at the fifth gave the American a two-hole lead, before an eagle at the seventh cemented his superiority.

A birdie followed at the eighth for Dufner, as he went four up through the turn.