Complex sentence: Alan McManus came from 9--11 behind against John Higgins to win 13--11 and reach his first Crucible semi-final since 1993, as well as his first ranking semifinal appearance since the 2006 Grand Prix.
Split into simpler sentences: Alan McManus came from 9--11 behind against John Higgins to win 13--11 and reach his first Crucible semi-final in 23 years. It was also his first ranking semifinal appearance since the 2006 Grand Prix.