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

EGTB: win in 2 half-moves

# move score
1 Kd5 win in 1 half-moves
2 Kb4 win in 11 half-moves
3 Kb5 win in 11 half-moves
4 Kb6 win in 11 half-moves
5 Kc4 loss in 2 half-moves
6 Kc6 loss in 2 half-moves
7 Kd4 loss in 2 half-moves
8 Kd6 loss in 2 half-moves