[5] In 2005 he was the winner of the Big Apple Nine-ball Championship, held in Queens, New York, an event with 128 of the world's best players.

Feijen won the 2007 $50,000 winner-take-all International Challenge of Champions by defeating Lee Van Corteza.

[6] In 2008, Feijen won the World Straight Pool Championship with a victory over Francisco Bustamante in the finals.

[8][9] In 2010, Feijen reached the finals of the WPA World Eight-ball Championship but ended up in 2nd place losing to Karl Boyes of Great Britain.

[12] In 2015 he was voted Most Valuable Player of the Mosconi Cup for the fourth time in the last five years.