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

EGTB: win in 4 half-moves

# move score
1 Kd7 win in 3 half-moves
2 Ka7 draw
3 Kb7 draw
4 Kbc7 draw
5 Kdc7 draw
6 Kdc8 loss in 36 half-moves
7 Ka8 loss in 12 half-moves
8 Kbc8 loss in 12 half-moves
9 Ke7 loss in 2 half-moves
10 Ke8 loss in 2 half-moves