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

EGTB: win in 4 half-moves

# move score
1 Kd3 win in 3 half-moves
2 Kc3 draw
3 Kd2 draw
4 Kb3 loss in 46 half-moves
5 Kc1 loss in 42 half-moves
6 Kd1 loss in 42 half-moves
7 Kb1 loss in 38 half-moves
8 Kb2 loss in 38 half-moves