Choi takes one-shot lead

US Masters Leaderboard

6 under - KJ Choi (Kor) (after 28 holes)

5 under – Justin Rose (Gbr) (22)

4 under – Alex Cejka (Ger) (27)

3 under – Chris DiMarco (22)

Jay Haas (18)

2 under – Darren Clarke (NI) (18)

1 under – Ernie Els (Rsa) (27)

Colin Montgomerie (Gbr) (18)

Bernhard Langer (Ger) (18)

Charles Howell (28)

Jose Maria Olazabal (Spa) (26)

Paul Casey (Gbr) (33)

Jeff Sluman (33)

Others:

Level – Phil Mickelson (18)

Sergio Garcia (Spa) (18)

1 over – Tiger Woods (24)

2 over – Padraig Harrington (Irl) (18)

3 over – Vijay Singh (Fij) (18)

Sandy Lyle (Gbr) (23)

4 over – Nick Faldo (Gbr) (19)

Ian Poulter (Gbr) (35)

5 over – Paul Lawrie (Gbr) (19)

Ian Woosnam (Gbr) (30)

7 over – (x) Gary Wolstenholme (Gbr) (20)

12 over – Brian Davis (Gbr) (24)