Tennis players are known for having multiple languages up their sleeves, but some spots on tour still leave them lacking in communication ability.

On the Estoril Open's Twitter account, Frances Tiafoe, Denis Shapovalov and Marin Cilic tried their best at speaking some Portuguese phrases, such as ...

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Praia da Azarujinha ("That's a beach, right?" Cilic said correctly)

Forte da Cruz (Fort of the Cross, a beach castle known for hosting weddings)

Praia do Guincho (another beach in Estoril)

Farol de Santa Marta (a lighthouse)

Mãe (mother)

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Carcavelos (a region known for its wine)

And advertência (warning)

The Estoril ATP 250 event proved to be difficult for both Tiafoe and top seed Shapovalov, who each lost in their opening match. Cilic, though, reached the semifinals before falling to Cameron Norrie.