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
2013 US Open (tennis) Games in London singles, doubles and quad events for men's and women's wheelchair tennis players as part of the NEC tour under the Grand Slam category. The tournament was played on hard courts and took place over a series of 17 courts, including the three main showcourts, Arthur Ashe Stadium, Louis Armstrong Stadium and Grandstand. Note: Below is a series of tables for each of the competitions showing the ranking points on offer for each event. The US Open total prize money for 2013 was increased by almost nine million dollars to tournament record $34,300,000. In the 2013 season, the