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

EGTB: win in 2 half-moves

# move score
1 Kb4 win in 1 half-moves
2 Ka4 draw
3 Kb5 loss in 36 half-moves
4 Kb6 loss in 28 half-moves
5 Ka6 loss in 4 half-moves