Sportal Australian golfer Nick O&aposHern&aposs second-place finish at the Qatar Masters has seen him catapult into the world&aposs top-20. The Western Australian, who was agonisingly muscled out of the lead after South African Retief Goosen sunk an eagle putt on the final hole, started the tournament ranked No.21. However, after his showing in Qatar, the left-hander is now the world No.16 and is Australia&aposs third-highest ranked golfer. Queenslander Adam Scott is still at No.3 and last year&aposs US Open champion Geoff Ogilvy remains No.10. On the back of his seventh consecutive PGA Tour victory at the Buick Invitational, Tiger Woods has also reaffirmed his standing as the world No.1. As a result of his win, Woods now sits almost 12 points clear of second-placed Jim Furyk, while Goosen has edged into No.6 after his win.