Thursday's second round results at the WGC-Accenture Match Play Championship, The Gallery, Dove Mountain, Tucson, Arizona:

Adam Scott (Aus) v Woody Austin (US)
Austin won at first extra hole

Sergio Garcia (Spa) v Boo Weekley (US)
Weekley won 3&1

Colin Montgomerie (Sco) v Charles Howell (US)
Montgomerie won 1 up

Padraig Harrington (Ire) v Stewart Cink (US)
Cink won 2 up

Bradley Dredge (Wal) v Paul Casey (Eng)
Casey won 2&1

KJ Choi (Kor) v Ian Poulter (Eng)
Choi won at first extra hole

Rod Pampling (Aus) v Nick O'Hern (Aus)
Pampling won 5&4

Vijay Singh (Fij) v Niclas Fasth (Swe)
Singh won 1 up

Jonathan Byrd (US) v Andres Romero (Arg)
Byrd won 6&4

Henrik Stenson (Swe) v Trevor Immelman (SA)
Stenson won at seventh extra hole

Steve Stricker (US) v Hunter Mahan (US)
Stricker won at second extra hole

Angel Cabrera (Arg) v Luke Donald (Eng)
Cabrera won 2&1

Tiger Woods (US) v Arron Oberholser (US)
Woods won 3&2

David Toms (US) v Aaron Baddeley (Aus)
Baddeley through after Toms forfeits

Phil Mickelson (US) v Stuart Appleby (Aus)
Appleby won 2&1

Justin Leonard (US) v Lee Westwood (Eng)
Leonard won 2&1