Stephen Leaney's victory Sunday at the German Masters moved the Australian up 68 places to No. 61 in the world after posting a one-shot win over German Alex Cejka.
Tiger Woods maintained his grip on the top spot, followed by Phil Mickelson and British Open champion Ernie Els. The trio are the favorites heading into this week's WGC-American Express Championship in Ireland.
Sergio Garcia of Spain moved up one place to No. 4 while Retief Goosen, the 2001 U.S. Open winner, dropped to fifth. David Toms remained in sixth place followed by Davis Love III, Padraig Harrington, Vijay Singh and Jim Furyk.
Nick Price held on to the 11th ranking and David Duval also stayed pat at 12th. Michael Campbell, Chris DiMarco and Justin Leonard round out the top 15.
Rocco Mediate is 16th in the world while Colin Montgomerie, whose back injuries have put his Ryder Cup status in jeopardy, moved up three to 17th. Darren Clarke and Bob Estes each dipped one to 18 and 19, respectively.
Robert Allenby cracked the top 20 after a second-place finish at the Pennsylvania Classic.