He has won one Challenger title, in doubles.

Rehnquist won 5 Challenger titles in his career.

He has, however, won Futures titles and a Challenger title.

Behrend won his first Futures and Challenger title in 1998, while he did not have great success on the main tour.

During the year, he captured his fourth Challenger title in Szczecin.

He won three Challenger titles during his career and was a doubles runner-up on no less than 10 occasions.

During his career he has won 4 doubles Challenger titles.

He has won three Challenger titles in his career.

Denis Istomin won his third Challenger title in this year.

In doubles he won one Challenger title and two Futures titles.