sentences:  He has since suffered six successive second round exits in the World Championship - against Steve Alker in 2006, against Alan Tabern in 2007 (in a thriller that went to a sudden death deciding leg, with Ovens narrowly missing a double 12 for a perfect nine dart finish and a £15,000 bonus), in 2008 against Dutchman Jan van der Rassel, after defeating Colin Monk in the first round, in 2009 to Ronnie Baxter having defeated Steve Maish 3-0 in the first round, in 2010 to Colin Lloyd and in 2011 to Simon Whitlock.He reached the semi-final of the UK Open in three consecutive years from 2010 to 2012, and reached the final of the inaugural German Darts Championship in 2007.Ovens retired in 2015.