Updated

Carl Pettersson and Gonzalo Fernandez-Castano wrapped up their first round victories Friday morning at the World Golf Championship - Accenture Match Play Championship.

Pettersson lost the 18th hole to Rickie Fowler, but parred the 19th hole to win the match, 1-up. That match was just the third to go extra holes in round one. Fernandez-Castano downed Francesco Molinari, 2-up. The Spaniard won the 16th and 18th with pars.

Shane Lowry, who beat world No. 1 Rory McIlroy on Thursday, will face Pettersson in the second round. Charles Howell III took down three-time champ Tiger Woods on Thursday and will take on Fernandez-Castano in round two.

Lowry beat McIlroy, 1-up, while Howell bested Woods, 2 & 1, at The Golf Club at Dove Mountain.

Snow halted play on Wednesday and the start of Thursday's action was delayed until 3 p.m. (ET), while the players waited for the snow to melt.

The other two top seeds -- Luke Donald and Louis Oosthuizen -- both escaped tough matches. Donald fended off Marcel Siem, 1-up, and Oosthuizen took down Richie Ramsay, 2 & 1.

In the Bobby Jones Bracket, where Lowry won, majors champions Jim Furyk, Graeme McDowell and Bubba Watson all won, while Zach Johnson, Padraig Harrington and Dustin Johnson were beaten.

Howell is in the Gary Player Bracket, where Webb Simpson and defending champion Hunter Mahan cruised to 5 & 4 victories. Lee Westwood and Jason Dufner, the second and third seeds, also lost leaving the fourth-seeded Simpson as the highest remaining seed in that region.

Donald is the top seed in the Sam Snead Bracket, where second-seeded Adam Scott fell 2 & 1 to Tim Clark. Nick Watney, 2010 winner Ian Poulter and 2001 champ Steve Stricker also moved on.

Oosthuizen is the top seed in the Ben Hogan Bracket, where four of the top six seeds advanced. Justin Rose, Sergio Garcia and Matt Kuchar all moved on, but former major winners Ernie Els and Keegan Bradley lost their matches.