The ATP Challenger Zell am Harmersbach (officially: Zell Challenger ) was a tennis tournament that took place annually from 2003 to 2004 in Zell am Harmersbach , Germany . It was part of the ATP Challenger Tour and was played outdoors on clay. No opponent won the tournament more than once.
Cell Challenger
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Janko Tipsarevic
Jan Frode Andersen
Jean-Claude Scherrer Alexander Waske
Werner Eschauer Rogier Wassen