Martin Kaymer golfer in the world, making him only the second German (after Bernhard Langer) to be the top-ranked golfer in the world. At the time he was the second youngest to reach world number one behind Tiger Woods, soon surpassed by Rory McIlroy in March 2012, who gained the top ranking at age 22. In April, he relinquished his number one ranking after eight weeks to Westwood, who won the Indonesian Masters. After reaching the number one ranking, Kaymer decided to undergo a swing change to be able to move the ball both ways. Frustrated with his disappointing results at the
Martin Kaymer 2007 European Tour season. It was also the new course record at the Oceânico Victoria Clube de Golfe. He went on to finish in a tie for 7th. Two weeks later at the year-ending Volvo Masters, he finished in 6th place. The Volvo Masters had one of the strongest fields on tour in 2007. He earned €140,000 for his 6th-place finish, which was Kaymer's largest payout from a tournament to that time. Kaymer earned €754,691 for the 2007 season, finishing as the highest-ranked rookie on the Order of Merit, in 41st position, and won the Sir Henry Cotton Rookie of