DiMarco down one after two holes

Latest positions in the first round of the World Golf Championships-Accenture match play championship at La Costa, Carlsbad, California

(seeded positions in brackets):

(9) Chris DiMarco 1 down to (56) Toshi Izawa (after 2 holes),

(24) Eduardo Romero 1 up on (41) John Huston (2),

(12) Rocco Mediate 1 down to (53) Shingo Katayama