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

EGTB: win in 4 half-moves

# move score
1 Kd2 win in 3 half-moves
2 Ke2 loss in 38 half-moves
3 Kd1 loss in 36 half-moves
4 Kf2 loss in 16 half-moves
5 Kf1 loss in 12 half-moves