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

EGTB: win in 12 half-moves

# move score
1 Kb4 win in 11 half-moves
2 Kd2 win in 11 half-moves
3 Kb2 win in 13 half-moves
4 Kb3 win in 15 half-moves
5 Kc2 win in 15 half-moves
6 Kc4 loss in 2 half-moves
7 Kd3 loss in 2 half-moves
8 Kd4 loss in 2 half-moves