Karlsson still leading Masters

11 under - Robert Karlsson (Swe) (after 36 holes)

7 under – Andrew Coltart (36)

Klas Eriksson (Swe) (37)

Paul Lawrie (37)

Emanuele Canonica (Ita) (38)

Simon Dyson (45)

Barry Lane (41)

Carl Pettersson (Swe) (39)

Trevor Immelman (Rsa) (40)

Others:

6 under – Phillip Price (39)

Ernie Els (Rsa) (53)

5 under – Nick Faldo (43)

2 under – Thomas Bjorn (Den) (54)

1 under – Retief Goosen (Rsa) (54)