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) following player received entry as a lucky loser: The following players received entry as lucky losers: The following players were accepted directly into the main draw using a protected ranking: The following players were accepted directly into the main tournament, but withdrew with injuries, suspensions or personal reasons. 2013 US Open (tennis) The 2013 US Open was a tennis tournament played on outdoor hard courts. It was the 133rd edition of the US Open, the fourth and final Grand Slam event of the year. It took place at the USTA Billie Jean King National Tennis Center, and ran from August