Simon Greul is a German male tennis player born April 13, 1981. He is 6'1" tall and weighs 176 lbs (80 kg). His career high rank was #55, achieved on March 22, 2010.
His major breakthrough was at the 2006 Nasdaq-100 Open, where after beating Adrián García and Ricardo Mello in the qualifying rounds, he reached the round of 16 at the main draw, defeating Paradorn Srichaphan, Dominik Hrbatý, and Tim Henman before succumbing to fourth seed Andy Roddick 6–3, 3–6, 6–2.
In 2009 he reached the quarterfinal at the German Open in Hamburg. He lost to Spaniard David Ferrer. At the 2009 US Open he defeated Giovanni Lapentti in the first round but lost to eventual finalist Roger Federer in the second round. In his next tournament, the BCR Romania Open in Bucharest he reached the semifinal where he lost to Juan Mónaco. Greul finished the season ranked No.59. The year was highlited by a win at an ATP Challenger Tour Event in Todi, a semifinal appearance in Trani and Genoa. It was the best season in his career earning $305,269 and a match record of 15-15 in ATP World Tour level.