Home›2021 Estoril Open›2021 Estoril Open – singles🌐EnglishEnglishEspañolItalianoTiếng Việt中文EntityQ106617386· pop 5· linked from 210 articles2021 Estoril Open – singlestennis tournament eventWikidata factsShow 1 more factnumber of participants28via Wikidata · CC0Available in 5 languagesEspañolItalianoCzechTiếng Việtvia Wikidata sitelinks · CC0Connectionsglossary of tennis terminologyEntityUnited StatesCountryCategories2021 Estoril Open