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

EGTB: win in 4 half-moves

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