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

EGTB: win in 2 half-moves

# move score
1 Kd3 win in 1 half-moves
2 Kd4 win in 1 half-moves
3 Kb4 loss in 50 half-moves
4 Kc2 loss in 50 half-moves
5 Kc4 loss in 50 half-moves
6 Kd2 loss in 50 half-moves
7 Kb3 loss in 46 half-moves
8 Kb2 loss in 42 half-moves