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

EGTB: win in 4 half-moves

# move score
1 Kd6 win in 3 half-moves
2 Kb4 loss in 40 half-moves
3 Kc4 loss in 40 half-moves
4 Kc6 loss in 40 half-moves
5 Kb5 loss in 38 half-moves
6 Kb6 loss in 34 half-moves
7 Kd4 loss in 2 half-moves
8 Kd5 loss in 2 half-moves