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

EGTB: win in 2 half-moves

# move score
1 Ke6 win in 1 half-moves
2 Ke7 win in 1 half-moves
3 Ke8 win in 1 half-moves
4 Kc6 loss in 42 half-moves
5 Kc7 loss in 38 half-moves
6 Kd8 loss in 38 half-moves
7 Kc8 loss in 34 half-moves
8 Kd6 loss in 2 half-moves