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 Kd1 loss in 18 half-moves
3 Kf1 loss in 8 half-moves
4 Ke2 loss in 2 half-moves
5 Kf2 loss in 2 half-moves