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

EGTB: draw

# move score
1 Kc7 draw
2 Ked7 draw
3 Ked8 draw
4 Kf7 draw
5 Kf8 draw
6 Kb7 loss in 2 half-moves
7 Kb8 loss in 2 half-moves
8 Kcd7 loss in 2 half-moves
9 Kcd8 loss in 2 half-moves
10 Ke7 loss in 2 half-moves