Maruyama leads Open on his own

Japan's Shigeki Maruyama leads the Open at Muirfield and is a shot ahead of Ireland's Des Smyth.

1 MARUYAMA 10 -4

T2 SMYTH 18 -3

LYLE 18 -3

ROSE 10 -3

BJORN 8 -3

T6 FAXON 13 -2

RILEY 3 -2

T8 MAGGERT 17 -1

LAWRIE 11 -1

WILSON 11 -1

DIMARCO 10 -1