Ji Young Oh has won the LPGA State Farm Classic, making a birdie on the first playoff hole to beat Yani Tseng.

Oh chipped from the rough within 6 inches of the pin on the par-4 18th hole at Panther Creek Country Club. She then tapped in for victory.

Tseng entered Sunday in first place. She bogeyed the 18th hole at the end of regulation and bogeyed the hole again in the playoff. Oh and Tseng entered regulation at 18 under par.

Michelle Wie was disqualified from the tournament Saturday while in second place. She failed to sign her scorecard at the end of Friday's round.