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

EGTB: win in 2 half-moves

# move score
1 Kd2 win in 1 half-moves
2 Kd3 win in 1 half-moves
3 Kd4 win in 1 half-moves
4 Kb2 loss in 10 half-moves
5 Kb3 loss in 6 half-moves
6 Kb4 loss in 2 half-moves
7 Kc2 loss in 2 half-moves
8 Kc4 loss in 2 half-moves