Poland's Elżbieta Wójcik took the bronze in the women's under-75 kg category, while Mateusz Bereźnicki added to the tally in the men's under-92 kg.
A total of 370 Polish athletes, 188 men and 182 women, are vying for medals at the 3rd European Games, which opened in the southern Polish city of Kraków on June 21 and run until Sunday.
Host nation Poland has so far won 40 medals at the continental multi-sport event, 11 gold, 17 silver and 12 bronze.
The 2023 European Games feature 12 days of competition in 29 sports and provide opportunities to win European championship medals and a pathway to qualify for the 2024 Olympic Games in some of the sports.
More than 7,000 athletes from 48 countries have flocked to Poland to compete in the event, which is taking place at 25 venues in 13 southern Polish cities.
Poland won 14 medals, three gold, one silver and 10 bronze, at the 2nd European Games in Minsk, Belarus in 2019.
Team Poland scooped 20 medals, two gold, eight silver and 10 bronze, at the 1st European Games in Baku, Azerbaijan, in 2015.
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Source: PAP, TVP Sport, polskieradio24.pl, european-games.org