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

EGTB: win in 2 half-moves

# move score
1 Kb4 win in 1 half-moves
2 Kb5 win in 1 half-moves
3 Kc5 win in 1 half-moves
4 Kd4 win in 1 half-moves
5 Kd5 win in 1 half-moves
6 Kd3 loss in 54 half-moves
7 Kc3 loss in 48 half-moves
8 Kb3 loss in 44 half-moves