GB drawn away (no surpise there) against Japan in the Fed Cup World Group II play-offs which will take place on 21st and 22nd April.
Highest ranking Japanese singles players are Naomi Osaka (50th) and Nao Hibino (90th). They have 5 doubles players with rankings between 29th and 57th.
The format for the play-offs are two singles on the Saturday, then doubles and reverse singles on the Sunday,