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

EGTB: win in 4 half-moves

# move score
1 Ke5 win in 3 half-moves
2 Kc3 win in 5 half-moves
3 Kc4 win in 5 half-moves
4 Kc5 win in 7 half-moves
5 Kd5 win in 7 half-moves
6 Kd3 loss in 2 half-moves
7 Ke3 loss in 2 half-moves
8 Ke4 loss in 2 half-moves