# 2021 Karlsruhe Open – singles

> 2021 tennis event results

**Wikidata**: [Q108437106](https://www.wikidata.org/wiki/Q108437106)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/2021_Karlsruhe_Open_–_Singles)  
**Source**: https://4ort.xyz/entity/2021-karlsruhe-open-singles