 Complete the following phrase:  Bellucci used a string of ATP Challenger Tour victories early in 2008 to break into the top 100 rankings of the ATP World Tour as a 20-year-old. He has won 4 ATP World Tour titles the 2009 and 2012 Swiss Open, the 2010 Movistar Open and the 2015 Geneva Open, reached the quarterfinals at the 