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

EGTB: win in 2 half-moves

# move score
1 Kb5 win in 1 half-moves
2 Ka5 draw
3 Kb6 loss in 46 half-moves
4 Kb7 loss in 36 half-moves
5 Ka7 loss in 32 half-moves