"I am very proud and happy that I will compete at the Olympic Games for a third consecutive time. I hope that this shows all disabled athletes that impossible is nothing," Partyka said in the statement.
Tapper, who becomes the second table tennis player to compete in the Olympics and Paralympics, will play both the singles and team events in Rio.
"I think that it's awesome that the Paralympic athletes are breaking down barriers and getting to participate in the Olympics," she said.
The Rio Olympics take place from Aug. 5-21 and the Paralympics are held from Sept. 7-18.
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"Both these players are inspirations to all para athletes as they show that disability is no barrier to success. We wish them the best of luck in Rio," ITTF president Thomas Weikert added.
(Reporting by Ian Rodricks in Bengaluru; Editing by John O'Brien)
