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

EGTB: win in 1 half-moves

# move score
1 Rxe8 win in 9 half-moves
2 fxe8=K draw
3 fxe8=N loss in 4 half-moves
4 fxe8=R loss in 4 half-moves
5 fxe8=B loss in 2 half-moves
6 fxe8=Q loss in 2 half-moves