At the 2001 French Open he made it to the final round of qualifying, beating James Blake en route.

He played in the reverse singles, a dead rubber that he lost to Mario Ančić in a final set tie-break.

He partnered Alexander Peya in the doubles, which they lost in five sets to Jonathan Erlich and Andy Ram.

[4] In 2012 he was appointed Austria's Davis Cup captain and in his first year took the team to the World Group quarter-finals, for the first time since 1995.

[5] The Austrians were relegated in 2013 and after their 2014 campaign, in which they were unable to return to the World Group, Trimmel was replaced by Stefan Koubek.