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

EGTB: win in 4 half-moves

# move score
1 Kd4 win in 3 half-moves
2 Kb4 draw
3 Kc4 draw
4 Kb5 loss in 56 half-moves
5 Kd5 loss in 56 half-moves
6 Kd6 loss in 52 half-moves
7 Kb6 loss in 42 half-moves
8 Kc6 loss in 42 half-moves