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

EGTB: win in 4 half-moves

# move score
1 Kb4 win in 3 half-moves
2 Kc4 draw
3 Kd3 draw
4 Kd4 draw
5 Kb3 loss in 58 half-moves
6 Kd2 loss in 46 half-moves
7 Kb2 loss in 36 half-moves
8 Kc2 loss in 36 half-moves