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

EGTB: win in 8 half-moves

# move score
1 Kd6 win in 7 half-moves
2 Kb6 win in 11 half-moves
3 Kd7 win in 11 half-moves
4 Kc7 win in 13 half-moves
5 Kb7 win in 17 half-moves
6 Kb5 loss in 2 half-moves
7 Kc5 loss in 2 half-moves
8 Kd5 loss in 2 half-moves