Bowen became a professional tennis player in 1994, but played his entire first professional year exclusively on lower-class satellite tournaments. It was not until mid-1995 that he started regularly at tournaments on the ATP Challenger Tour , but his first notable success was not achieved until August 1996, when he reached the double finals in Poznań together with David Roditi . He won his first of a total of five career titles on the ATP Challenger Tour in 1997 alongside Dinu Pescariu in Split . He celebrated his greatest success in 2003 when he won his only double title on the ATP World Tour with Ashley Fisher in Amersfoort . He reached his highest ranking in the tennis world rankings in 1996 with position 635 in singles and 2003 with position 39 in doubles.
In the individual, he could never qualify for one of the Grand Slam tournaments. In the doubles competition he reached the quarter-finals of the US Open in 2001 and 2002 . In mixed he was three times in the second round of Wimbledon .