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

EGTB: win in 4 half-moves

# move score
1 Ke6 win in 3 half-moves
2 Kc8 loss in 28 half-moves
3 Ke7 loss in 28 half-moves
4 Kc7 loss in 26 half-moves
5 Kd8 loss in 22 half-moves
6 Ke8 loss in 20 half-moves
7 Kc6 loss in 2 half-moves
8 Kd6 loss in 2 half-moves