Neemias Queta made an emphatic first impression Wednesday in his EuroBasket debut.

The Celtics center racked up 23 points, 18 rebounds, four blocks and two steals to power his native Portugal to a 62-50 win over Czechia in Europe’s quadrennial international basketball tournament. It was Portugal’s first EuroBasket victory since 2007.

Queta was a plus-21 in his 31 minutes, shooting 11-for-15 from the field. Most of those buckets were at or near the rim — where the 7-footer does most of his work for Boston — but he also opened the scoring by drilling a straightaway 3-pointer.

That’s something Queta has never done for the Celtics. In his four NBA seasons, the 26-year-old has attempted just three threes and made zero.

The Celtics also have never crafted a game plan around Queta the way Por

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