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

EGTB: win in 2 half-moves

# move score
1 Kb1 win in 1 half-moves
2 Kd1 win in 1 half-moves
3 Kb2 draw
4 Kc2 loss in 38 half-moves
5 Kd2 loss in 38 half-moves