"It's a great opportunity for us to play a unique tournament," Pliskova said.
The first of the four tournaments that are part of the competition is scheduled for June 13-15 in Prague.
Separately, the first of a series of tournaments organized by the Czech tennis federation is scheduled for May 26-28 in Prague.
Top Czech women, including Pliskova and Petra Kvitova, are set to play while Jiri Vesely is the highest-ranked player in the men's draw.
All the tournaments will be without spectators. The matches will be broadcast on television.