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 Kd5 loss in 34 half-moves
3 Kd6 loss in 34 half-moves
4 Kb4 loss in 26 half-moves
5 Kc4 loss in 26 half-moves
6 Kb5 loss in 20 half-moves
7 Kc6 loss in 20 half-moves
8 Kb6 loss in 18 half-moves