Click on the third or sixth rank to set the en passant target square.

EGTB: win in 1 half-moves

# move score
1 Rxb8 win in 1 half-moves
2 Kexf8 loss in 2 half-moves
3 Kgxf8 loss in 2 half-moves
4 Rxf8 loss in 2 half-moves