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

EGTB: win in 4 half-moves

# move score
1 Ke4 win in 3 half-moves
2 Ke5 loss in 52 half-moves
3 Kc5 loss in 48 half-moves
4 Ke6 loss in 44 half-moves
5 Kd6 loss in 42 half-moves
6 Kc6 loss in 40 half-moves
7 Kc4 loss in 2 half-moves
8 Kd4 loss in 2 half-moves