# 2021 Estoril Open – singles

> tennis tournament event

**Wikidata**: [Q106617386](https://www.wikidata.org/wiki/Q106617386)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/2021_Estoril_Open_–_Singles)  
**Source**: https://4ort.xyz/entity/2021-estoril-open-singles